Samuel N & Mary Castle Fdn | Foundation Profile
GrantBay analyzes IRS Form 990-PF data to help grant seekers find fit funders like Samuel N & Mary Castle Fdn. Data shown is extracted from Form 990-PF filings.
EIN: 99-6003321
1 Active GrantFoundation Overview
Based in Honolulu, HI, Samuel N & Mary Castle Fdn has awarded 278 grants totaling $14,206,685 to organizations in Hawaii, Illinois and 2 other states across the US. Individual grants range from $3,000 to $1,936,030, with a median award of $25,000.
Latest Tax Year
2024
Total Giving (all years)
$14,206,685
Total Assets
$52,204,340
Median Grant (all grants)
$25,000
Latest Form 990-PF Snapshot
Total Grants
1
Median Grant
$1,936,030
% No Significant Change
4%
(vs previous year)
Data extracted from IRS Form 990-PF filings. Last filing year:
March 2026
Foundation Intelligence
Advanced analytics and strategic insights to help nonprofit organizations assess grant opportunities and optimize their application strategies
New Applicant Friendliness
Limited Sample: 0%
1 total grant. Insufficient data for reliable pattern analysis. Foundation may be highly selective or recently established.
Geographic Focus
Hawaii
97% of all grants are concentrated in Hawaii, demonstrating highly focused geographic giving. This foundation prioritizes deep community impact in its primary service area. Within Hawaii, funding concentrates in Honolulu (56%), Mililani (5%), Wailuku (4%).
Funding Trajectory
-8%
Stable funding levels with 8% change over 4 years indicate consistent grant-making capacity and predictable philanthropic resources. This stability suggests reliable ongoing funding opportunities.
Program Areas
Education + 3 others
Diversified giving across multiple program areas with primary emphasis on education (51%). This broad approach suggests openness to various causes and innovative cross-sector solutions.
Where is The Money Going?
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Grants & Funding
Analyzing past grantees provides valuable insights into Samuel N & Mary Castle Fdn's funding preferences, organizational priorities, and grant making patterns. This historical data helps potential applicants understand the foundation's strategic focus and identify successful funding approaches.
| Name | Amount | Location | Purpose | Year |
|---|---|---|---|---|
| See Attached Statement | $1,936,030 | Honolulu, HI, US | See Attached Statement | 2024 |
| See Attached Statement | $1,853,412 | Honolulu, HI, US | See Attached Statement | 2023 |
| Ae Kamalii Pre-school | $15,000 | Lihue, HI, US | Tuition Assistance For Low-income Families | 2022 |
| Catholic Charities | $50,000 | Honolulu, HI, US | Mary Tenney Castle Emergency Fund For Families With Young Children For 2023 | 2022 |
| Catholic Diocese Of Honolulu | $75,000 | Honolulu, HI, US | Augmenting Quality In Hawaii's Independent Preschools: St. Michael, St. Joseph, St. Theresa | 2022 |
| Catholic Diocese Of Honolulu | $60,000 | Honolulu, HI, US | Tuition Assistance For Low-income Families In Catholid Pre-schools | 2022 |
| Chaminade University Montessori Lab School | $15,000 | Honolulu, HI, US | Preschool Tuition Assistance To Low-income Families | 2022 |
| Chaminade University Of Honolulu | $60,000 | Honolulu, HI, US | Scholarships For Early Educ Teachers $50,000 & $10,000 For Textbook Purchase Subsides | 2022 |
| Child & Family Service | $75,000 | Ewa Beach, HI, US | Support For Parenting Programs Services Low-income Families | 2022 |
| Collaborative Support Services | $25,000 | Honolulu, HI, US | Early Childhood Education Policy Research For The "commit To Keiki" Campaign | 2022 |
| Collaborative Support Services | $50,000 | Honolulu, HI, US | Shared Business & Administrative Services For Daycare Providers And Pre-schools | 2022 |
| Department Of Education | $100,000 | Honolulu, HI, US | Hawaii Early Childhood Educator Stipend Program | 2022 |
| Erikson Institute | $110,000 | Chicago, IL, US | Early Mathematics Teacher Education Program | 2022 |
| Family Hui Hawaii | $50,000 | Honolulu, HI, US | Hui Peer Parenting Support Programs | 2022 |
| Family Support Hawaii | $45,000 | Kailuakona, HI, US | Quality Enhancement In The Early Education Head Start Program | 2022 |
| First United Methodist Church Preschool | $10,000 | Honolulu, HI, US | Furniture And Equipment | 2022 |
| First United Methodist Church Preschool | $15,000 | Honolulu, HI, US | Tuitition Assistance To Children From Low-income Familes | 2022 |
| Friends Of The Future | $30,000 | Kamuela, HI, US | 2nd Year Support For Ece Career Pathways (hilo) | 2022 |
| Good Shepherd Lutheran Church | $15,000 | Honolulu, HI, US | Tuition Assistance To Low-income Families | 2022 |
| Hanahau'oli Schools | $37,245 | Honolulu, HI, US | Stem Training For Early Childhood Educators | 2022 |
| Hanalani Schools | $25,000 | Mililani, HI, US | Preschool Enhancement Program: Outdoor Play & Gross Motor Play Enhancements | 2022 |
| Hawaii Association Of Independent | $10,000 | Honolulu, HI, US | Schools Of The Future Conference In 2022 | 2022 |
| Hawaii Childrens Action Network | $100,000 | Honolulu, HI, US | Operating Support | 2022 |
| Hawaii Foodbank | $20,000 | Honolulu, HI, US | Matching Food Purchases | 2022 |
| Hawaii Foodbank | $20,000 | Honolulu, HI, US | Purchase Of Food For The Ongoing School And Keiki Pantry Project | 2022 |
| Honolulu Theatre For Youth | $10,000 | Honolulu, HI, US | Support For 2022 Season Theatrical Productions | 2022 |
| Hui No'eau Visual Arts Center | $17,000 | Makawao, HI, US | Pre-school Art Program For The Academic Year 2022-2023 | 2022 |
| Imua Family Services | $50,000 | Kahului, HI, US | Play Imua Program Operating Expenses | 2022 |
| Institute For Native Pacific Education & Culture (inpeace) | $50,000 | Kapolei, HI, US | Support Training In Brain Development For Early Leaning Staff | 2022 |
| Kahului Baptist Preschool | $15,000 | Kahului, HI, US | Tuition Assistance To Low-income Families | 2022 |
| Kapiolani Health Foundation | $50,000 | Honolulu, HI, US | Resources And Support For Infants And Families In The Neonatal Intensive Care | 2022 |
| Kauai Christian Academy | $50,000 | Kilauea, HI, US | Classroom Construction Project | 2022 |
| Kawaiahao Church | $25,000 | Honolulu, HI, US | Security Equipment | 2022 |
| Kcaa Pre-schools Of Hawaii | $15,000 | Honolulu, HI, US | Tuition Assistance To Low-income Families | 2022 |
| Kokua Kalihi Valley Comprehensive Family Svcs | $60,000 | Honolulu, HI, US | Support For Maternal Child Health Program | 2022 |
| Makiki Christian Church Pre-school | $25,000 | Honolulu, HI, US | Capital Improvements | 2022 |
| Manoa Heritage Center | $5,000 | Honolulu, HI, US | Unrestricted Grant To The Operations Of The Center In Memory Of Mrs. Mary Cooke | 2022 |
| Maui Family Support Services | $50,000 | Wailuku, HI, US | Early Head Start's Home School Connection Project | 2022 |
| Mililani Presbyterian Church Pre-school | $25,000 | Mililani, HI, US | Classroom Upgrade Project | 2022 |
| Montessori Community School | $15,000 | Honolulu, HI, US | Tuition Assistance For Low-income Families | 2022 |
| Montessori School Of Maui | $50,000 | Makawao, HI, US | Classroom Replacement Project | 2022 |
| Na Kamali'i Hoaloha | $15,000 | Kaunakakai, HI, US | Tuition Assistance For Low-income Families | 2022 |
| Parents And Children Together | $41,008 | Honolulu, HI, US | Mental Health Services For Low-income Children And Families | 2022 |
| Partners In Development Foundation | $60,000 | Honolulu, HI, US | Early Education Programs For At-risk/homeless Children | 2022 |
| Punahou School | $100,000 | Honolulu, HI, US | Mary Tenney Castle Scholarship Fund | 2022 |
| Rainbow School | $15,000 | Kahuku, HI, US | Tuition Assistance For Low-income Families | 2022 |
| Saint Mark Lutheran School | $25,000 | Kaneohe, HI, US | Construction Of New Playground | 2022 |
| The Salvation Army | $50,000 | Honolulu, HI, US | Support Of The Ohana Center For Infant Health Mental Health And A Family Serives Therapist | 2022 |
| Seagull Schools Inc | $15,000 | Kailua, HI, US | Tuition Assistance For Low-income Families | 2022 |
| University Of Hawaii Foundation | $125,000 | Honolulu, HI, US | H&d Memorial Early Childhood Educ Schlp And The Mary Tenny Castle Memorial Graduate Fellowhip For 2023-24 Acad Yr | 2022 |
| University Of Hawaii Foundation | $50,000 | Honolulu, HI, US | Hawaii Early Childhood Educators Excellence & Equity Project (uh College Of Educ) | 2022 |
| University Of Hawaii Office Of Research Services | $25,428 | Honolulu, HI, US | Access Mapping To Inform The Expansion Of Hawaii Early Care And Education System | 2022 |
| Waikiki Community Center | $15,000 | Honolulu, HI, US | Tuition Assistance For Low-income Families | 2022 |
| Wailuku Union Church Pre-school | $15,000 | Wailuku, HI, US | Tuition Assistance For Low-income Families | 2022 |
| Ywca Of Hawaii Island | $15,000 | Hilo, HI, US | Tuition Assistance For Low-income Families | 2022 |
| Ae Kamalii Pre-school | $15,000 | Lihue, HI, US | Tuition Assistance For Low-income Families | 2022 |
| Catholic Charities | $50,000 | Honolulu, HI, US | Mary Tenney Castle Emergency Fund For Families With Young Children For 2023 | 2022 |
| Catholic Diocese Of Honolulu | $75,000 | Honolulu, HI, US | Augmenting Quality In Hawaii's Independent Preschools: St. Michael, St. Joseph, St. Theresa | 2022 |
| Catholic Diocese Of Honolulu | $60,000 | Honolulu, HI, US | Tuition Assistance For Low-income Families In Catholid Pre-schools | 2022 |
| Chaminade University Montessori Lab School | $15,000 | Honolulu, HI, US | Preschool Tuition Assistance To Low-income Families | 2022 |
| Chaminade University Of Honolulu | $60,000 | Honolulu, HI, US | Scholarships For Early Educ Teachers $50,000 & $10,000 For Textbook Purchase Subsides | 2022 |
| Child & Family Service | $75,000 | Ewa Beach, HI, US | Support For Parenting Programs Services Low-income Families | 2022 |
| Collaborative Support Services | $25,000 | Honolulu, HI, US | Early Childhood Education Policy Research For The "Commit To Keiki" Campaign | 2022 |
| Collaborative Support Services | $50,000 | Honolulu, HI, US | Shared Business & Administrative Services For Daycare Providers And Pre-schools | 2022 |
| Department Of Education | $100,000 | Honolulu, HI, US | Hawaii Early Childhood Educator Stipend Program | 2022 |
| Erikson Institute | $110,000 | Chicago, IL, US | Early Mathematics Teacher Education Program | 2022 |
| Family Hui Hawaii | $50,000 | Honolulu, HI, US | Hui Peer Parenting Support Programs | 2022 |
| Family Support Hawaii | $45,000 | Kailuakona, HI, US | Quality Enhancement In The Early Education Head Start Program | 2022 |
| First United Methodist Church Preschool | $10,000 | Honolulu, HI, US | Furniture And Equipment | 2022 |
| First United Methodist Church Preschool | $15,000 | Honolulu, HI, US | Tuitition Assistance To Children From Low-income Familes | 2022 |
| Friends Of The Future | $30,000 | Kamuela, HI, US | 2nd Year Support For Ece Career Pathways (Hilo) | 2022 |
| Good Shepherd Lutheran Church | $15,000 | Honolulu, HI, US | Tuition Assistance To Low-income Families | 2022 |
| Hanahau'oli Schools | $37,245 | Honolulu, HI, US | Stem Training For Early Childhood Educators | 2022 |
| Hanalani Schools | $25,000 | Mililani, HI, US | Preschool Enhancement Program: Outdoor Play & Gross Motor Play Enhancements | 2022 |
| Hawaii Association Of Independent | $10,000 | Honolulu, HI, US | Schools Of The Future Conference In 2022 | 2022 |
| Hawaii Childrens Action Network | $100,000 | Honolulu, HI, US | Operating Support | 2022 |
| Hawaii Foodbank | $20,000 | Honolulu, HI, US | Matching Food Purchases | 2022 |
| Hawaii Foodbank | $20,000 | Honolulu, HI, US | Purchase Of Food For The Ongoing School And Keiki Pantry Project | 2022 |
| Honolulu Theatre For Youth | $10,000 | Honolulu, HI, US | Support For 2022 Season Theatrical Productions | 2022 |
| Hui No'eau Visual Arts Center | $17,000 | Makawao, HI, US | Pre-school Art Program For The Academic Year 2022-2023 | 2022 |
| Imua Family Services | $50,000 | Kahului, HI, US | Play Imua Program Operating Expenses | 2022 |
| Institute For Native Pacific Education & Culture (Inpeace) | $50,000 | Kapolei, HI, US | Support Training In Brain Development For Early Leaning Staff | 2022 |
| Kahului Baptist Preschool | $15,000 | Kahului, HI, US | Tuition Assistance To Low-income Families | 2022 |
| Kapiolani Health Foundation | $50,000 | Honolulu, HI, US | Resources And Support For Infants And Families In The Neonatal Intensive Care | 2022 |
| Kauai Christian Academy | $50,000 | Kilauea, HI, US | Classroom Construction Project | 2022 |
| Kawaiahao Church | $25,000 | Honolulu, HI, US | Security Equipment | 2022 |
| Kcaa Pre-schools Of Hawaii | $15,000 | Honolulu, HI, US | Tuition Assistance To Low-income Families | 2022 |
| Kokua Kalihi Valley Comprehensive Family Svcs | $60,000 | Honolulu, HI, US | Support For Maternal Child Health Program | 2022 |
| Makiki Christian Church Pre-school | $25,000 | Honolulu, HI, US | Capital Improvements | 2022 |
| Manoa Heritage Center | $5,000 | Honolulu, HI, US | Unrestricted Grant To The Operations Of The Center In Memory Of Mrs. Mary Cooke | 2022 |
| Maui Family Support Services | $50,000 | Wailuku, HI, US | Early Head Start's Home School Connection Project | 2022 |
| Mililani Presbyterian Church Pre-school | $25,000 | Mililani, HI, US | Classroom Upgrade Project | 2022 |
| Montessori Community School | $15,000 | Honolulu, HI, US | Tuition Assistance For Low-income Families | 2022 |
| Montessori School Of Maui | $50,000 | Makawao, HI, US | Classroom Replacement Project | 2022 |
| Na Kamali'i Hoaloha | $15,000 | Kaunakakai, HI, US | Tuition Assistance For Low-income Families | 2022 |
| Parents And Children Together | $41,008 | Honolulu, HI, US | Mental Health Services For Low-income Children And Families | 2022 |
| Partners In Development Foundation | $60,000 | Honolulu, HI, US | Early Education Programs For At-risk/homeless Children | 2022 |
| Punahou School | $100,000 | Honolulu, HI, US | Mary Tenney Castle Scholarship Fund | 2022 |
| Rainbow School | $15,000 | Kahuku, HI, US | Tuition Assistance For Low-income Families | 2022 |
| Saint Mark Lutheran School | $25,000 | Kaneohe, HI, US | Construction Of New Playground | 2022 |
| The Salvation Army | $50,000 | Honolulu, HI, US | Support Of The Ohana Center For Infant Health Mental Health And A Family Serives Therapist | 2022 |
| Seagull Schools Inc | $15,000 | Kailua, HI, US | Tuition Assistance For Low-income Families | 2022 |
| University Of Hawaii Foundation | $125,000 | Honolulu, HI, US | H&d Memorial Early Childhood Educ Schlp And The Mary Tenny Castle Memorial Graduate Fellowhip For 2023-24 Acad Yr | 2022 |
| University Of Hawaii Foundation | $50,000 | Honolulu, HI, US | Hawaii Early Childhood Educators Excellence & Equity Project (Uh College Of Educ) | 2022 |
| University Of Hawaii Office Of Research Services | $25,428 | Honolulu, HI, US | Access Mapping To Inform The Expansion Of Hawaii Early Care And Education System | 2022 |
| Waikiki Community Center | $15,000 | Honolulu, HI, US | Tuition Assistance For Low-income Families | 2022 |
| Wailuku Union Church Pre-school | $15,000 | Wailuku, HI, US | Tuition Assistance For Low-income Families | 2022 |
| Ywca Of Hawaii Island | $15,000 | Hilo, HI, US | Tuition Assistance For Low-income Families | 2022 |
| Ae Kamalii Pre-school | $15,000 | Lihue, HI, US | Tuition Assistance For Low-income Families | 2022 |
| Catholic Charities | $50,000 | Honolulu, HI, US | Mary Tenney Castle Emergency Fund For Families With Young Children For 2023 | 2022 |
| Catholic Diocese Of Honolulu | $75,000 | Honolulu, HI, US | Augmenting Quality In Hawaii's Independent Preschools: St. Michael, St. Joseph, St. Theresa | 2022 |
| Catholic Diocese Of Honolulu | $60,000 | Honolulu, HI, US | Tuition Assistance For Low-income Families In Catholid Pre-schools | 2022 |
| Chaminade University Montessori Lab School | $15,000 | Honolulu, HI, US | Preschool Tuition Assistance To Low-income Families | 2022 |
| Chaminade University Of Honolulu | $60,000 | Honolulu, HI, US | Scholarships For Early Educ Teachers $50,000 & $10,000 For Textbook Purchase Subsides | 2022 |
| Child & Family Service | $75,000 | Ewa Beach, HI, US | Support For Parenting Programs Services Low-income Families | 2022 |
| Collaborative Support Services | $25,000 | Honolulu, HI, US | Early Childhood Education Policy Research For The "Commit To Keiki" Campaign | 2022 |
| Collaborative Support Services | $50,000 | Honolulu, HI, US | Shared Business & Administrative Services For Daycare Providers And Pre-schools | 2022 |
| Department Of Education | $100,000 | Honolulu, HI, US | Hawaii Early Childhood Educator Stipend Program | 2022 |
| Erikson Institute | $110,000 | Chicago, IL, US | Early Mathematics Teacher Education Program | 2022 |
| Family Hui Hawaii | $50,000 | Honolulu, HI, US | Hui Peer Parenting Support Programs | 2022 |
| Family Support Hawaii | $45,000 | Kailuakona, HI, US | Quality Enhancement In The Early Education Head Start Program | 2022 |
| First United Methodist Church Preschool | $10,000 | Honolulu, HI, US | Furniture And Equipment | 2022 |
| First United Methodist Church Preschool | $15,000 | Honolulu, HI, US | Tuitition Assistance To Children From Low-income Familes | 2022 |
| Friends Of The Future | $30,000 | Kamuela, HI, US | 2nd Year Support For Ece Career Pathways (Hilo) | 2022 |
| Good Shepherd Lutheran Church | $15,000 | Honolulu, HI, US | Tuition Assistance To Low-income Families | 2022 |
| Hanahau'oli Schools | $37,245 | Honolulu, HI, US | Stem Training For Early Childhood Educators | 2022 |
| Hanalani Schools | $25,000 | Mililani, HI, US | Preschool Enhancement Program: Outdoor Play & Gross Motor Play Enhancements | 2022 |
| Hawaii Association Of Independent | $10,000 | Honolulu, HI, US | Schools Of The Future Conference In 2022 | 2022 |
| Hawaii Childrens Action Network | $100,000 | Honolulu, HI, US | Operating Support | 2022 |
| Hawaii Foodbank | $20,000 | Honolulu, HI, US | Matching Food Purchases | 2022 |
| Hawaii Foodbank | $20,000 | Honolulu, HI, US | Purchase Of Food For The Ongoing School And Keiki Pantry Project | 2022 |
| Honolulu Theatre For Youth | $10,000 | Honolulu, HI, US | Support For 2022 Season Theatrical Productions | 2022 |
| Hui No'eau Visual Arts Center | $17,000 | Makawao, HI, US | Pre-school Art Program For The Academic Year 2022-2023 | 2022 |
| Imua Family Services | $50,000 | Kahului, HI, US | Play Imua Program Operating Expenses | 2022 |
| Institute For Native Pacific Education & Culture (Inpeace) | $50,000 | Kapolei, HI, US | Support Training In Brain Development For Early Leaning Staff | 2022 |
| Kahului Baptist Preschool | $15,000 | Kahului, HI, US | Tuition Assistance To Low-income Families | 2022 |
| Kapiolani Health Foundation | $50,000 | Honolulu, HI, US | Resources And Support For Infants And Families In The Neonatal Intensive Care | 2022 |
| Kauai Christian Academy | $50,000 | Kilauea, HI, US | Classroom Construction Project | 2022 |
| Kawaiahao Church | $25,000 | Honolulu, HI, US | Security Equipment | 2022 |
| Kcaa Pre-schools Of Hawaii | $15,000 | Honolulu, HI, US | Tuition Assistance To Low-income Families | 2022 |
| Kokua Kalihi Valley Comprehensive Family Svcs | $60,000 | Honolulu, HI, US | Support For Maternal Child Health Program | 2022 |
| Makiki Christian Church Pre-school | $25,000 | Honolulu, HI, US | Capital Improvements | 2022 |
| Manoa Heritage Center | $5,000 | Honolulu, HI, US | Unrestricted Grant To The Operations Of The Center In Memory Of Mrs. Mary Cooke | 2022 |
| Maui Family Support Services | $50,000 | Wailuku, HI, US | Early Head Start's Home School Connection Project | 2022 |
| Mililani Presbyterian Church Pre-school | $25,000 | Mililani, HI, US | Classroom Upgrade Project | 2022 |
| Montessori Community School | $15,000 | Honolulu, HI, US | Tuition Assistance For Low-income Families | 2022 |
| Montessori School Of Maui | $50,000 | Makawao, HI, US | Classroom Replacement Project | 2022 |
| Na Kamali'i Hoaloha | $15,000 | Kaunakakai, HI, US | Tuition Assistance For Low-income Families | 2022 |
| Parents And Children Together | $41,008 | Honolulu, HI, US | Mental Health Services For Low-income Children And Families | 2022 |
| Partners In Development Foundation | $60,000 | Honolulu, HI, US | Early Education Programs For At-risk/homeless Children | 2022 |
| Punahou School | $100,000 | Honolulu, HI, US | Mary Tenney Castle Scholarship Fund | 2022 |
| Rainbow School | $15,000 | Kahuku, HI, US | Tuition Assistance For Low-income Families | 2022 |
| Saint Mark Lutheran School | $25,000 | Kaneohe, HI, US | Construction Of New Playground | 2022 |
| The Salvation Army | $50,000 | Honolulu, HI, US | Support Of The Ohana Center For Infant Health Mental Health And A Family Serives Therapist | 2022 |
| Seagull Schools Inc | $15,000 | Kailua, HI, US | Tuition Assistance For Low-income Families | 2022 |
| University Of Hawaii Foundation | $125,000 | Honolulu, HI, US | H&d Memorial Early Childhood Educ Schlp And The Mary Tenny Castle Memorial Graduate Fellowhip For 2023-24 Acad Yr | 2022 |
| University Of Hawaii Foundation | $50,000 | Honolulu, HI, US | Hawaii Early Childhood Educators Excellence & Equity Project (Uh College Of Educ) | 2022 |
| University Of Hawaii Office Of Research Services | $25,428 | Honolulu, HI, US | Access Mapping To Inform The Expansion Of Hawaii Early Care And Education System | 2022 |
| Waikiki Community Center | $15,000 | Honolulu, HI, US | Tuition Assistance For Low-income Families | 2022 |
| Wailuku Union Church Pre-school | $15,000 | Wailuku, HI, US | Tuition Assistance For Low-income Families | 2022 |
| Ywca Of Hawaii Island | $15,000 | Hilo, HI, US | Tuition Assistance For Low-income Families | 2022 |
| Ae Kamalii Pre-school | $10,000 | Lihue, HI, US | Tuition Assistance For Low-income Families | 2021 |
| Ae Kamalii Pre-school | $20,000 | Lihue, HI, US | Re-opening Costs Of Renovations And Sanitation Equipment | 2021 |
| Aloha School Early Learning Center Of Hanalei | $12,000 | Hanalei, HI, US | Tuition Assistance For Low-income Families | 2021 |
| Catholic Charities | $60,000 | Honolulu, HI, US | Strengthening Families With Young Children - Mary Jane Home And Hale Aloha Programs | 2021 |
| Catholic Charities | $50,000 | Honolulu, HI, US | Mary Tenney Castle Emergency Fund For Families With Young Children For 2022 | 2021 |
| Catholic Diocese Of Honolulu | $50,000 | Kaneohe, HI, US | Tuition Assistance For Low-income Families In Catholic Preschools | 2021 |
| Chaminade University Of Honolulu | $50,000 | Honolulu, HI, US | Additional Grant For Early Education Student Scholarships For Academic Year Of 2021 | 2021 |
| Child & Family Service | $75,000 | Ewa Beach, HI, US | Programs Strengthening The Wellbeing Of Young Children And Their Families | 2021 |
| Collaborative Support Services | $50,000 | Honolulu, HI, US | To Support The "commit To Keiki" Child Advocacy Campaign In 2021-2022 | 2021 |
| Family Support Hawaii | $55,000 | Kailuakona, HI, US | Support Of Programs Strengthening The Wellbeing Of Young Children | 2021 |
| Good Shepherd Lutheran Church | $25,000 | Honolulu, HI, US | Pre-school Repairs | 2021 |
| Hanalani Schools | $15,000 | Mililani, HI, US | Tuition Assistance For Low-income Families | 2021 |
| Hawaii Association Of Independent Schools | $3,000 | Honolulu, HI, US | Support For The Early Education Teacher Development Track At The "schools Of The Future" Conference In 2021 | 2021 |
| Hawaii Childrens Action Network | $100,000 | Honolulu, HI, US | Advocacy For Children To Benefit Children, Families And Early Childhood Care Providers | 2021 |
| Hawaii Community Foundation | $50,000 | Honolulu, HI, US | Trauma-informed Early Childhood Workforce Development Initiative | 2021 |
| Honolulu Theatre For Youth | $10,000 | Honolulu, HI, US | Support For 2021 Season Theatrical Productions | 2021 |
| Hui No'eau Visual Arts Center | $17,000 | Makawao, HI, US | Pre-school Arts Program | 2021 |
| Imua Family Services | $75,000 | Kahului, HI, US | Strengthening Families With Young Children | 2021 |
| Inpeace | $50,000 | Kapolei, HI, US | Programs Strengthening The Wellbeing Of Young Children And Their Families | 2021 |
| Kahului Baptist Preschool | $15,000 | Kahului, HI, US | Tuition Assistance To Low-income Families | 2021 |
| Kcaa Pre-schools Of Hawaii | $25,000 | Honolulu, HI, US | Purchase Of Furnishings And Supplies For School Re-opening | 2021 |
| Kcaa Pre-schools Of Hawaii | $19,000 | Honolulu, HI, US | Tuition Assistance For Low-income Families | 2021 |
| Maui Family Support Services | $75,000 | Wailuku, HI, US | Programs Strengthening The Wellbeing Of Young Children And Their Families | 2021 |
| Mililani Presbyterian Church Pre-school | $15,000 | Mililani, HI, US | Tuition Assistance To Low-income Families | 2021 |
| Montessori Community School | $14,000 | Honolulu, HI, US | Tuition Assistance For Low-income Families | 2021 |
| Na Kamali'i Hoaloha | $10,000 | Kaunakakai, HI, US | Tuition Assistance For Low-income Families | 2021 |
| Na Kamali'i Hoaloha | $14,100 | Kaunakakai, HI, US | Capital Improvements And Instructional Supplies | 2021 |
| Parents And Children Together | $60,000 | Honolulu, HI, US | Behavioral Health Support For Families With Young Children | 2021 |
| Partners In Development Foundation | $50,000 | Honolulu, HI, US | Programs Strengthening The Wellbeing Of Young Children And Their Families | 2021 |
| Rainbow School | $25,000 | Kahuku, HI, US | School Re-opening Costs | 2021 |
| Rainbow School | $20,000 | Kahuku, HI, US | Tuition Assistance For Low-income Families | 2021 |
| Seagull Schools Inc | $15,000 | Kailua, HI, US | Tuition Assistance For Low-income Families | 2021 |
| The Salvation Army | $50,000 | Honolulu, HI, US | Infant Mental Health And Family Services Program | 2021 |
| The Salvation Army | $15,000 | Honolulu, HI, US | General Support For Infant Mental Health And Family Services | 2021 |
| University Of Hawaii Foundation | $35,000 | Honolulu, HI, US | Comprehensive Teacher Compensation Survey | 2021 |
| Waikiki Community Center | $15,000 | Honolulu, HI, US | Tuition Assistance For Low-income Families | 2021 |
| Wailuku Union Church Pre-school | $10,000 | Wailuku, HI, US | Tuition Assistance For Low-income Families | 2021 |
| Ywca Of Hawaii Island | $50,000 | Hilo, HI, US | Pre-school Support: Strengthening Families With Young Children | 2021 |
| Ywca Of Hawaii Island | $15,000 | Hilo, HI, US | Pre-school Recovery Initiative | 2021 |
| Aloha School Early Learning Center Of Hanalei | $25,000 | Hanalei, HI, US | Outdoor Classroom Equipment | 2021 |
| Chaminade University Of Honolulu | $15,000 | Honolulu, HI, US | Tuition Assistance To Low-income Families In The Montessori Lab Pre-school | 2021 |
| Chaminade University Of Honolulu | $25,000 | Honolulu, HI, US | Professional Development For Preschool Teachers | 2021 |
| Erikson Institute | $108,000 | Chicago, IL, US | Pre-school Teacher Training (sel Program) For Calendar Year 2021-2022 | 2021 |
| Erikson Institute | $60,288 | Chicago, IL, US | Professional Development In Early Mathematics For Pre-school Teachers In Hawaii | 2021 |
| Hanalani Schools | $25,000 | Mililani, HI, US | School Refurbish For Full Re-opening For Academic Year 2021-2022 | 2021 |
| Hawaii Alliance Of Nonprofit Organizations | $20,114 | Honolulu, HI, US | Administration Of The Hawaii-based Mccormick Leadership Program In Early Education | 2021 |
| Hawaii Foodbank | $25,000 | Honolulu, HI, US | Food Purchases And Equipment For The Keiki Panrty Program | 2021 |
| Hongwanji Mission School | $25,000 | Honolulu, HI, US | School Re-opening Costs Capital Improvements | 2021 |
| Keiki O Ka 'aina Pre-school | $25,800 | Honolulu, HI, US | Renovation Of The Infant-toddler Center At The Castle Medical Center | 2021 |
| Mililani Baptist Church Pre-school | $25,000 | Mililani, HI, US | Campus Upgrades | 2021 |
| Mililani Presbyterian Church Pre-school | $25,000 | Mililani, HI, US | Pre-school Re-opening Project | 2021 |
| National Louis University | $87,840 | Wheeling, IL, US | Hawaii Leadership Academy | 2021 |
| Trinity Christian School | $25,000 | Kailua, HI, US | Construction Of A Pre-school And Elementary School Playground | 2021 |
| Trinity Lutheran School | $25,000 | Wahiawa, HI, US | Equipment & Supplies For Pre-school Re-opening | 2021 |
| Tsne Missionworks | $30,000 | Boston, MA, US | Operating Support | 2021 |
| University Of Hawaii Foundation | $125,000 | Honolulu, HI, US | Scholarships For Academic Year 2021-2022 | 2021 |
| Wailuku Union Church Pre-school | $21,600 | Wailuku, HI, US | Capital Improvements | 2021 |
| Ae Kamalii Pre-school | $10,000 | Lihue, HI, US | Tuition Assistance For Low-income Families | 2020 |
| Ae Kamalii Pre-school | $25,600 | Lihue, HI, US | Repairs And Supplies, Professional Development | 2020 |
| Aloha School Early Learning Center Of Hanalei | $8,000 | Hanalei, HI, US | Tuition Assistance For Low-income Families | 2020 |
| Armed Services Ymca Of Honolulu | $25,000 | Pearl Harbor, HI, US | Purchase Of Equipment And Manipulatives For New Preschool Classroom | 2020 |
| Candid (the Foundation Center) | $5,000 | New York, NY, US | General Program Support | 2020 |
| Catholic Charities | $60,000 | Honolulu, HI, US | Early Payment For Programs Strengthening The Wellbeing Of Young Children & Families | 2020 |
| Catholic Charities | $50,000 | Honolulu, HI, US | Mary Tenney Castle Emergency Fund For Families With Young Children For 2021 | 2020 |
| Catholic Diocese Of Honolulu | $50,000 | Kaneohe, HI, US | Tuition Assistance For Low-income Families In Catholic Preschools | 2020 |
| Chaminade University Of Honolulu | $50,000 | Honolulu, HI, US | Student Pre-school Education Scholarships For Year 2021 | 2020 |
| Child & Family Service | $75,000 | Ewa Beach, HI, US | Early Payment For Programs Strengthening The Wellbeing Of Young Children & Families | 2020 |
| Christian Liberty Academy | $20,000 | Keaau, HI, US | Outdoor Pavilion With Shade And Outdoor Picnic Tables | 2020 |
| Collaborative Support Services | $50,000 | Honolulu, HI, US | Hawaii Family Child Care Shared Services Model | 2020 |
| Family Hui Hawaii | $25,000 | Honolulu, HI, US | Family Education Project | 2020 |
| Family Support Hawaii | $45,000 | Kailuakona, HI, US | Early Payment For Programs Strengthening The Wellbeing Of Young Children & Families | 2020 |
| Friends Of The Future | $31,500 | Kamuela, HI, US | Teacher Recruitment Project | 2020 |
| Good Shepherd Lutheran Church | $10,000 | Honolulu, HI, US | Tuition Assistance For Low-income Families | 2020 |
| Hanahauoli School | $44,845 | Honolulu, HI, US | Stem Training For Early Childhood Educators | 2020 |
| Hanalani Schools | $10,000 | Mililani, HI, US | Tuition Assistance For Low-income Families | 2020 |
| Hawaii Association Of Independent Schools | $3,000 | Honolulu, HI, US | Schools Of The Future Conference's Early Education Programs | 2020 |
| Hawaii Childrens Action Network | $100,000 | Honolulu, HI, US | Operating Support | 2020 |
| Hawaii Community Foundation | $48,909 | Honolulu, HI, US | To Improve Early Educator Prep System And Take Steps To Address Compensation Disparities | 2020 |
| Hawaii Community Foundation | $50,000 | Honolulu, HI, US | Trauma-informed Early Childhood Workforce Development Initiative | 2020 |
| Hawaii Montessori School | $10,000 | Kailuakona, HI, US | Tuition Assistance For Low-income Families | 2020 |
| Honolulu Theatre For Youth | $10,000 | Honolulu, HI, US | Support For 2020 Season Theatrical Productions | 2020 |
| Hui No'eau Visual Arts Center | $17,000 | Makawao, HI, US | Pre-school Arts Program | 2020 |
| Imua Family Services | $75,000 | Kahului, HI, US | Early Payment For Programs Strengthening Wellbeing Of Young Children & Families | 2020 |
| Inpeace | $40,000 | Kapolei, HI, US | Pre-school Teacher Assessment In The Professional Development Program | 2020 |
| Inpeace | $40,000 | Kapolei, HI, US | Early Payment For Programs Strengthening The Wellbeing Of Young Children & Families | 2020 |
| Ka Hale O Na Keiki Preschool | $10,000 | Honokaa, HI, US | Tuition Assistance For Low-income Families | 2020 |
| Kahului Baptist Preschool | $50,000 | Kahului, HI, US | Pre-school Recovery Initiative | 2020 |
| Kamaaina Care (kama'aina Kids) | $10,000 | Kailuakona, HI, US | Tuition Assistance For Low-income Families | 2020 |
| Kcaa Pre-schools Of Hawaii | $10,000 | Honolulu, HI, US | Tuition Assistance For Low-income Families | 2020 |
| Kcaa Pre-schools Of Hawaii | $50,000 | Honolulu, HI, US | Pre-school Recovery Initiative | 2020 |
| Makua Lani Christian Academy | $18,000 | Kailuakona, HI, US | Furnishings And Supplies For Pre-school Students | 2020 |
| Maui Family Support Services | $70,000 | Wailuku, HI, US | Early Payment For Programs Strengthening The Wellbeing Of Young Children & Families | 2020 |
| Maui Preparatory Academy | $25,000 | Lahaina, HI, US | Professional Development | 2020 |
| Mililani Presbyterian Church Pre-school | $50,000 | Mililani, HI, US | Pre-school Recovery Initiative | 2020 |
| Montessori Community School | $10,000 | Honolulu, HI, US | Tuition Assistance For Low-income Families | 2020 |
| Na Kamali'i Hoaloha | $10,000 | Kaunakakai, HI, US | Tuition Assistance For Low-income Families | 2020 |
| Na Kamali'i Hoaloha | $12,380 | Kaunakakai, HI, US | Pre-school Recovery Initiative | 2020 |
| Parents And Children Together | $60,000 | Honolulu, HI, US | Early Payment For Programs Strengthening The Wellbeing Of Young Children & Families | 2020 |
| Partners In Development Foundation | $50,000 | Honolulu, HI, US | Early Payment For Programs Strengthening The Wellbeing Of Young Children & Families | 2020 |
| Rainbow School | $10,000 | Kahuku, HI, US | Tuition Assistance For Low-income Families | 2020 |
| Rainbow School | $50,000 | Kahuku, HI, US | Pre-school Recovery Initiative | 2020 |
| Roots School | $10,000 | Haiku, HI, US | Purchase Of Furniture And Equipment | 2020 |
| The Salvation Army | $50,000 | Honolulu, HI, US | Early Payment For Programs Strengthening The Wellbeing Of Young Children & Families | 2020 |
| The Salvation Army | $25,000 | Honolulu, HI, US | Program Support For The Therapeutic Nursery School | 2020 |
| Seagull Schools Inc | $10,000 | Kailua, HI, US | Tuition Assistance For Low-income Families | 2020 |
| Seagull Schools Inc | $50,000 | Kailua, HI, US | Pre-school Reopen Initiative | 2020 |
| St Andrew's Priory School | $75,000 | Honolulu, HI, US | Renovation For The Queen Emma Pre-school | 2020 |
| University Of Hawaii Foundation | $61,224 | Honolulu, HI, US | Expansion Of The Summer Start Kindergarten Transition Program | 2020 |
| University Of Hawaii Foundation | $100,000 | Honolulu, HI, US | Scholarships On All 10 Campuses For Early Education Majors | 2020 |
| University Of Hawaii Foundation | $30,000 | Honolulu, HI, US | Study Of Compensation For Pre-school Teachers | 2020 |
| Waikiki Community Center | $10,000 | Honolulu, HI, US | Tuition Assistance For Low-income Families | 2020 |
| Waikiki Community Center | $50,000 | Honolulu, HI, US | Pre-school Recovery Initiative | 2020 |
| Wailuku Union Church Pre-school | $7,000 | Wailuku, HI, US | Tuition Assistance For Low-income Families | 2020 |
| Ymca Of Honolulu | $50,000 | Honolulu, HI, US | Early Payment For Programs Strengthening The Wellbeing Of Young Children & Families | 2020 |
| Ywca Of Hawaii Island | $15,000 | Hilo, HI, US | Tuition Assistance For Low-income Families | 2020 |
| Ywca Of Hawaii Island | $50,000 | Hilo, HI, US | Pre-school Recovery Initiative | 2020 |
| Ywca Of Hawaii Island | $25,000 | Hilo, HI, US | Early Payment For Programs Strengthening The Wellbeing Of Young Children & Families | 2020 |
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Contact Information
Official contact details for Samuel N & Mary Castle Fdn as registered with the IRS. These details are essential for grant applications, correspondence, and due diligence processes.
| EIN | 99-6003321 |
| Website | N/A |
| Address | PO BOX 3170 Honolulu, HI 96802-3170 |
Key People (4)
Board members, trustees, and key staff who oversee Samuel N & Mary Castle Fdn's grant making decisions and strategic direction. Understanding leadership composition can provide insights into foundation priorities and potential networking opportunities.
| President/trustee | Alfred L Castle |
|---|---|
| Secretary/trustee | Cynthia Quisenberry |
| Vice President/trustee | Dr Kittredge Baldwin |
| Trustee | Dr Robert Peters |
Forms 990-PF
IRS Form 990-PF filings provide comprehensive financial information, grant details, and operational data. These documents are essential resources for understanding foundation capacity, giving patterns, and strategic priorities.
Form 990-PF Research Tips
- Review Part XV for detailed grant recipient information and funding purposes
- Check Part I for total assets, annual giving amounts, and payout requirements
- Examine Part VIII for key personnel compensation and board structure
- Look for trends across multiple years to understand giving patterns
About This Foundation Profile
This comprehensive foundation profile for Samuel N & Mary Castle Fdn is powered by Grant Bay's advanced foundation research platform. Our system analyzes IRS Form 990-PF filings, grant histories, and philanthropic patterns to provide nonprofit organizations with actionable intelligence for grant seeking success.
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Data Currency: Last updated
March 2026
based on IRS Form 990-PF filings. Foundation information reflects most recent available tax year data.