O'donnell Iselin Foundation Inc | Foundation Profile
GrantBay analyzes IRS Form 990-PF data to help grant seekers find fit funders like O'donnell Iselin Foundation Inc. Data shown is extracted from Form 990-PF filings.
EIN: 51-6016471
Foundation Overview
Based in Valley Stream, NY, O'donnell Iselin Foundation Inc has awarded 293 grants totaling $1,816,000 to organizations in Connecticut, New York and 7 other states across the US. Individual grants range from $500 to $37,500, with a median award of $3,000.
Latest Tax Year
2023
Total Giving (all years)
$1,816,000
Total Assets
$3,996,155
Median Grant (all grants)
$3,000
Latest Form 990-PF Snapshot
Total Grants
33
Median Grant
$3,000
% No Significant Change
0%
(vs previous year)
Data extracted from IRS Form 990-PF filings. Last filing year:
February 2026
Foundation Intelligence
Advanced analytics and strategic insights to help nonprofit organizations assess grant opportunities and optimize their application strategies
New Applicant Friendliness
Closed Network: 12%
4 of 33 recipients (12%) were new grantees. Foundation maintains tight relationships with established partners. New applicants rarely succeed without insider connections.
Geographic Focus
Connecticut
Grants are geographically diversified with 38% in Connecticut and funding distributed across 9 total locations. This foundation values broad geographic impact and diverse community partnerships. Within Connecticut, funding concentrates in Stamford (13%), New Haven (13%), Wilton (13%).
Funding Trajectory
+18%
Stable funding levels with 18% change over 7 years indicate consistent grant-making capacity and predictable philanthropic resources. This stability suggests reliable ongoing funding opportunities.
Program Areas
General Purposes
Highly focused on general purposes with 100% of funding dedicated to this sector. This specialization indicates deep expertise and committed investment in the field.
Where is The Money Going?
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Grants & Funding
Analyzing past grantees provides valuable insights into O'donnell Iselin Foundation Inc'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 |
|---|---|---|---|---|
| Americares Foundation | $2,500 | Stamford, CT, US | For General Purposes Of Recipient Charities | 2023 |
| Aspca | $2,500 | New York, NY, US | For General Purposes Of Recipient Charities | 2023 |
| Doctors Without Borders | $3,000 | New York, NY, US | For General Purposes Of Recipient Charitiesfor General Purposes Of Recipient Charities | 2023 |
| Dorothy Day Hospitality House | $2,500 | Danbury, CT, US | For General Purposes Of Recipient Charities | 2023 |
| Greenwich Land Trust Inc | $20,000 | Greenwich, CT, US | For General Purposes Of Recipient Charities | 2023 |
| Haystack Mountain School Of Crafts | $1,000 | Deer Isle, ME, US | For General Purposes Of Recipient Charities | 2023 |
| Hugenot & New Rochelle Historical Society | $1,000 | New Rochelle, NY, US | For General Purposes Of Recipient Charities | 2023 |
| Kieve-wavus Education Inc | $2,000 | Nobleboro, ME, US | For General Purposes Of Recipient Charities | 2023 |
| Kisma Preserve | $2,500 | Mt Desert, ME, US | For General Purposes Of Recipient Charities | 2023 |
| Mark Twain Library | $2,500 | West Redding, CT, US | For General Purposes Of Recipient Charities | 2023 |
| New York Botanical Garden | $25,000 | Bronx, NY, US | For General Purposes Of Recipient Charities | 2023 |
| North Country School Scholarship | $5,000 | Lake Placid, NY, US | For General Purposes Of Recipient Charities | 2023 |
| Planned Parenthood Of Greater New York | $10,000 | New York, NY, US | For General Purposes Of Recipient Charities | 2023 |
| Planned Parenthood Of Southern New England | $10,000 | New Haven, CT, US | For General Purposes Of Recipient Charities | 2023 |
| Redding Land Trust | $5,000 | Redding, CT, US | For General Purposes Of Recipient Charities | 2023 |
| Rowayton Arts Center | $1,000 | Norwalk, CT, US | For General Purposes Of Recipient Charities | 2023 |
| Salvation Army Greater New York Division | $1,000 | New York, NY, US | For General Purposes Of Recipient Charities | 2023 |
| Spence Chapin | $10,000 | New York, NY, US | For General Purposes Of Recipient Charities | 2023 |
| St Hilda's & St Hugh's School | $10,000 | New York, NY, US | For General Purposes Of Recipient Charities | 2023 |
| St Timothy's School | $25,000 | Stevenson, MD, US | For General Purposes Of Recipient Charities | 2023 |
| The Elephant Sanctuary | $2,500 | Hohenwald, TN, US | For General Purposes Of Recipient Charities | 2023 |
| The Montessori School | $10,000 | Wilton, CT, US | For General Purposes Of Recipient Charities | 2023 |
| The Montessori School Endowment Fund | $10,000 | Wilton, CT, US | For General Purposes Of Recipient Charities | 2023 |
| United Church Of Rowayton | $5,000 | Norwalk, CT, US | For General Purposes Of Recipient Charities | 2023 |
| Woods Hole Oceanographic Institute | $20,000 | Woods Hole, MA, US | For General Purposes Of Recipient Charities | 2023 |
| All Hands And Hearts | $5,000 | Mattapoisett, MA, US | For General Purposes Of Recipient Charities | 2023 |
| Connecticut Food Bank | $5,000 | Wallingford, CT, US | For General Purposes Of Recipient Charities | 2023 |
| Lockwood-mathews Manison Museum | $3,000 | Norwalk, CT, US | For General Purposes Of Recipient Charities | 2023 |
| Museum Of The City Of New York | $1,000 | New York, NY, US | For General Purposes Of Recipient Charities | 2023 |
| Person To Person | $3,000 | Darien, CT, US | For General Purposes Of Recipient Charities | 2023 |
| St Bartholemew's Church | $2,500 | New York, NY, US | For General Purposes Of Recipient Charities | 2023 |
| Stamford Hospital Foundation | $2,000 | Stamford, CT, US | For General Purposes Of Recipient Charities | 2023 |
| Woodlawn Conservancy | $1,000 | Bronx, NY, US | For General Purposes Of Recipient Charities | 2023 |
| Americares Foundation | $2,500 | Stamford, CT, US | For General Purposes Of Recipient Charities | 2022 |
| Aspca | $4,000 | New York, NY, US | For General Purposes Of Recipient Charities | 2022 |
| Audubon Canyon Ranch | $1,000 | Stinson Beach, CA, US | For General Purposes Of Recipient Charities | 2022 |
| Bolinas Museum | $1,000 | Bolinas, CA, US | For General Purposes Of Recipient Charities | 2022 |
| Commonweal | $1,000 | Bolinas, CA, US | For General Purposes Of Recipient Charities | 2022 |
| Doctors Without Borders | $3,000 | New York, NY, US | For General Purposes Of Recipient Charitiesfor General Purposes Of Recipient Charities | 2022 |
| Dorothy Day Hospitality House | $2,500 | Danbury, CT, US | For General Purposes Of Recipient Charities | 2022 |
| Friends Of Bolinas Stinson Beach Libraries | $1,000 | Stinson Beach, CA, US | For General Purposes Of Recipient Charities | 2022 |
| Greenwich Land Trust Inc | $10,000 | Greenwich, CT, US | For General Purposes Of Recipient Charities | 2022 |
| Haystack Mountain School Of Crafts | $1,000 | Deer Isle, ME, US | For General Purposes Of Recipient Charities | 2022 |
| Kieve-wavus Education Inc | $2,000 | Nobleboro, ME, US | For General Purposes Of Recipient Charities | 2022 |
| Kisma Preserve | $2,500 | Mt Desert, ME, US | For General Purposes Of Recipient Charities | 2022 |
| Mark Twain Library | $2,500 | West Redding, CT, US | For General Purposes Of Recipient Charities | 2022 |
| New York Botanical Garden | $25,000 | Bronx, NY, US | For General Purposes Of Recipient Charities | 2022 |
| North Country School Scholarship | $5,000 | Lake Placid, NY, US | For General Purposes Of Recipient Charities | 2022 |
| Planned Parenthood Of Southern New England | $15,000 | New Haven, CT, US | For General Purposes Of Recipient Charities | 2022 |
| Planned Parenthood Of Greater New York | $15,000 | New York, NY, US | For General Purposes Of Recipient Charities | 2022 |
| Redding Land Trust | $5,000 | Redding, CT, US | For General Purposes Of Recipient Charities | 2022 |
| Rowayton Arts Center | $1,000 | Norwalk, CT, US | For General Purposes Of Recipient Charities | 2022 |
| Salvation Army | $1,500 | New York, NY, US | For General Purposes Of Recipient Charities | 2022 |
| Silvermine Guild Arts Center | $3,000 | New Canaan, CT, US | For General Purposes Of Recipient Charities | 2022 |
| Spence Chapin | $10,000 | New York, NY, US | For General Purposes Of Recipient Charities | 2022 |
| St Hilda's & St Hugh's School | $10,000 | New York, NY, US | For General Purposes Of Recipient Charities | 2022 |
| St Timothy's School | $25,000 | Stevenson, MD, US | For General Purposes Of Recipient Charities | 2022 |
| The Elephant Sanctuary | $2,500 | Hohenwald, TN, US | For General Purposes Of Recipient Charities | 2022 |
| The Montessori School | $10,000 | Wilton, CT, US | For General Purposes Of Recipient Charities | 2022 |
| The Montessori School Endowment Fund | $10,000 | Wilton, CT, US | For General Purposes Of Recipient Charities | 2022 |
| United Church Of Rowayton | $5,000 | Rowayton, CT, US | For General Purposes Of Recipient Charities | 2022 |
| Woods Hole Oceanographic Institute | $20,000 | Woods Hole, MA, US | For General Purposes Of Recipient Charities | 2022 |
| Hugenot & New Rochelle Historical Society | $1,000 | New Rochelle, NY, US | For General Purposes Of Recipient Charities | 2022 |
| Americares Foundation | $2,500 | Stamford, CT, US | For General Purposes Of Recipient Charities | 2022 |
| Aspca | $4,000 | New York, NY, US | For General Purposes Of Recipient Charities | 2022 |
| Audubon Canyon Ranch | $1,000 | Stinson Beach, CA, US | For General Purposes Of Recipient Charities | 2022 |
| Bolinas Museum | $1,000 | Bolinas, CA, US | For General Purposes Of Recipient Charities | 2022 |
| Commonweal | $1,000 | Bolinas, CA, US | For General Purposes Of Recipient Charities | 2022 |
| Doctors Without Borders | $3,000 | New York, NY, US | For General Purposes Of Recipient Charitiesfor General Purposes Of Recipient Charities | 2022 |
| Dorothy Day Hospitality House | $2,500 | Danbury, CT, US | For General Purposes Of Recipient Charities | 2022 |
| Friends Of Bolinas Stinson Beach Libraries | $1,000 | Stinson Beach, CA, US | For General Purposes Of Recipient Charities | 2022 |
| Greenwich Land Trust Inc | $10,000 | Greenwich, CT, US | For General Purposes Of Recipient Charities | 2022 |
| Haystack Mountain School Of Crafts | $1,000 | Deer Isle, ME, US | For General Purposes Of Recipient Charities | 2022 |
| Kieve-wavus Education Inc | $2,000 | Nobleboro, ME, US | For General Purposes Of Recipient Charities | 2022 |
| Kisma Preserve | $2,500 | Mt Desert, ME, US | For General Purposes Of Recipient Charities | 2022 |
| Mark Twain Library | $2,500 | West Redding, CT, US | For General Purposes Of Recipient Charities | 2022 |
| New York Botanical Garden | $25,000 | Bronx, NY, US | For General Purposes Of Recipient Charities | 2022 |
| North Country School Scholarship | $5,000 | Lake Placid, NY, US | For General Purposes Of Recipient Charities | 2022 |
| Planned Parenthood Of Southern New England | $15,000 | New Haven, CT, US | For General Purposes Of Recipient Charities | 2022 |
| Planned Parenthood Of Greater New York | $15,000 | New York, NY, US | For General Purposes Of Recipient Charities | 2022 |
| Redding Land Trust | $5,000 | Redding, CT, US | For General Purposes Of Recipient Charities | 2022 |
| Rowayton Arts Center | $1,000 | Norwalk, CT, US | For General Purposes Of Recipient Charities | 2022 |
| Salvation Army | $1,500 | New York, NY, US | For General Purposes Of Recipient Charities | 2022 |
| Silvermine Guild Arts Center | $3,000 | New Canaan, CT, US | For General Purposes Of Recipient Charities | 2022 |
| Spence Chapin | $10,000 | New York, NY, US | For General Purposes Of Recipient Charities | 2022 |
| St Hilda's & St Hugh's School | $10,000 | New York, NY, US | For General Purposes Of Recipient Charities | 2022 |
| St Timothy's School | $25,000 | Stevenson, MD, US | For General Purposes Of Recipient Charities | 2022 |
| The Elephant Sanctuary | $2,500 | Hohenwald, TN, US | For General Purposes Of Recipient Charities | 2022 |
| The Montessori School | $10,000 | Wilton, CT, US | For General Purposes Of Recipient Charities | 2022 |
| The Montessori School Endowment Fund | $10,000 | Wilton, CT, US | For General Purposes Of Recipient Charities | 2022 |
| United Church Of Rowayton | $5,000 | Rowayton, CT, US | For General Purposes Of Recipient Charities | 2022 |
| Woods Hole Oceanographic Institute | $20,000 | Woods Hole, MA, US | For General Purposes Of Recipient Charities | 2022 |
| Hugenot & New Rochelle Historical Society | $1,000 | New Rochelle, NY, US | For General Purposes Of Recipient Charities | 2022 |
| Americares Foundation | $2,500 | Stamford, CT, US | For General Purposes Of Recipient Charities | 2022 |
| Aspca | $4,000 | New York, NY, US | For General Purposes Of Recipient Charities | 2022 |
| Audubon Canyon Ranch | $1,000 | Stinson Beach, CA, US | For General Purposes Of Recipient Charities | 2022 |
| Bolinas Museum | $1,000 | Bolinas, CA, US | For General Purposes Of Recipient Charities | 2022 |
| Commonweal | $1,000 | Bolinas, CA, US | For General Purposes Of Recipient Charities | 2022 |
| Doctors Without Borders | $3,000 | New York, NY, US | For General Purposes Of Recipient Charitiesfor General Purposes Of Recipient Charities | 2022 |
| Dorothy Day Hospitality House | $2,500 | Danbury, CT, US | For General Purposes Of Recipient Charities | 2022 |
| Friends Of Bolinas Stinson Beach Libraries | $1,000 | Stinson Beach, CA, US | For General Purposes Of Recipient Charities | 2022 |
| Greenwich Land Trust Inc | $10,000 | Greenwich, CT, US | For General Purposes Of Recipient Charities | 2022 |
| Haystack Mountain School Of Crafts | $1,000 | Deer Isle, ME, US | For General Purposes Of Recipient Charities | 2022 |
| Kieve-wavus Education Inc | $2,000 | Nobleboro, ME, US | For General Purposes Of Recipient Charities | 2022 |
| Kisma Preserve | $2,500 | Mt Desert, ME, US | For General Purposes Of Recipient Charities | 2022 |
| Mark Twain Library | $2,500 | West Redding, CT, US | For General Purposes Of Recipient Charities | 2022 |
| New York Botanical Garden | $25,000 | Bronx, NY, US | For General Purposes Of Recipient Charities | 2022 |
| North Country School Scholarship | $5,000 | Lake Placid, NY, US | For General Purposes Of Recipient Charities | 2022 |
| Planned Parenthood Of Southern New England | $15,000 | New Haven, CT, US | For General Purposes Of Recipient Charities | 2022 |
| Planned Parenthood Of Greater New York | $15,000 | New York, NY, US | For General Purposes Of Recipient Charities | 2022 |
| Redding Land Trust | $5,000 | Redding, CT, US | For General Purposes Of Recipient Charities | 2022 |
| Rowayton Arts Center | $1,000 | Norwalk, CT, US | For General Purposes Of Recipient Charities | 2022 |
| Salvation Army | $1,500 | New York, NY, US | For General Purposes Of Recipient Charities | 2022 |
| Silvermine Guild Arts Center | $3,000 | New Canaan, CT, US | For General Purposes Of Recipient Charities | 2022 |
| Spence Chapin | $10,000 | New York, NY, US | For General Purposes Of Recipient Charities | 2022 |
| St Hilda's & St Hugh's School | $10,000 | New York, NY, US | For General Purposes Of Recipient Charities | 2022 |
| St Timothy's School | $25,000 | Stevenson, MD, US | For General Purposes Of Recipient Charities | 2022 |
| The Elephant Sanctuary | $2,500 | Hohenwald, TN, US | For General Purposes Of Recipient Charities | 2022 |
| The Montessori School | $10,000 | Wilton, CT, US | For General Purposes Of Recipient Charities | 2022 |
| The Montessori School Endowment Fund | $10,000 | Wilton, CT, US | For General Purposes Of Recipient Charities | 2022 |
| United Church Of Rowayton | $5,000 | Rowayton, CT, US | For General Purposes Of Recipient Charities | 2022 |
| Woods Hole Oceanographic Institute | $20,000 | Woods Hole, MA, US | For General Purposes Of Recipient Charities | 2022 |
| Hugenot & New Rochelle Historical Society | $1,000 | New Rochelle, NY, US | For General Purposes Of Recipient Charities | 2022 |
| All Hands Volunteers | $2,500 | Mattapoisett, MA, US | For General Purposes Of Recipient Charities | 2021 |
| Americares Foundation | $3,000 | Stamford, CT, US | For General Purposes Of Recipient Charities | 2021 |
| Aspca | $5,000 | New York, NY, US | For General Purposes Of Recipient Charities | 2021 |
| Audubon Canyon Ranch | $2,000 | Stinson Beach, CA, US | For General Purposes Of Recipient Charities | 2021 |
| Bolinas Museum | $1,000 | Bolinas, CA, US | For General Purposes Of Recipient Charities | 2021 |
| Commonweal | $1,000 | Bolinas, CA, US | For General Purposes Of Recipient Charities | 2021 |
| Connecticut Food Bank | $5,000 | Wallingford, CT, US | For General Purposes Of Recipient Charities | 2021 |
| Connecticut Fund For The Environment | $2,000 | New Haven, CT, US | For General Purposes Of Recipient Charities | 2021 |
| Doctors Without Borders | $3,000 | New York, NY, US | For General Purposes Of Recipient Charitiesfor General Purposes Of Recipient Charities | 2021 |
| Dorothy Day Hospitality House | $2,500 | Danbury, CT, US | For General Purposes Of Recipient Charities | 2021 |
| Friends Of Bolinas Stinson Beach Libraries | $1,000 | Stinson Beach, CA, US | For General Purposes Of Recipient Charities | 2021 |
| Greenwich Land Trust Inc | $10,000 | Greenwich, CT, US | For General Purposes Of Recipient Charities | 2021 |
| Haystack Mountain School Of Crafts | $1,000 | Deer Isle, ME, US | For General Purposes Of Recipient Charities | 2021 |
| Kieve-wavus Education Inc | $2,000 | Nobleboro, ME, US | For General Purposes Of Recipient Charities | 2021 |
| Kisma Preserve | $2,500 | Mt Desert, ME, US | For General Purposes Of Recipient Charities | 2021 |
| Lockwood-mathews Mansion Museum | $1,000 | Norwalk, CT, US | For General Purposes Of Recipient Charities | 2021 |
| Mark Twain Library | $2,500 | West Redding, CT, US | For General Purposes Of Recipient Charities | 2021 |
| Museum Of The City Of New York | $2,000 | New York, NY, US | For General Purposes Of Recipient Charities | 2021 |
| New York Botanical Garden | $25,000 | Bronx, NY, US | For General Purposes Of Recipient Charities | 2021 |
| North Country School Scholarship | $5,000 | Lake Placid, NY, US | For General Purposes Of Recipient Charities | 2021 |
| Person To Person | $3,000 | Darien, CT, US | For General Purposes Of Recipient Charities | 2021 |
| Planned Parenthood Of Connecticut | $15,000 | New Haven, CT, US | For General Purposes Of Recipient Charities | 2021 |
| Planned Parenthood Of New York City | $15,000 | New York, NY, US | For General Purposes Of Recipient Charities | 2021 |
| Redding Land Trust | $5,000 | Redding, CT, US | For General Purposes Of Recipient Charities | 2021 |
| Rowayton Arts Center | $1,000 | Norwalk, CT, US | For General Purposes Of Recipient Charities | 2021 |
| Salvation Army | $1,500 | New York, NY, US | For General Purposes Of Recipient Charities | 2021 |
| Silvermine Guild Arts Center | $3,000 | New Canaan, CT, US | For General Purposes Of Recipient Charities | 2021 |
| Spence Chapin | $10,000 | New York, NY, US | For General Purposes Of Recipient Charities | 2021 |
| St Bartholemew's Church | $2,500 | New York, NY, US | For General Purposes Of Recipient Charities | 2021 |
| St Hilda's & St Hugh's School | $10,000 | New York, NY, US | For General Purposes Of Recipient Charities | 2021 |
| St Timothy's School | $25,000 | Stevenson, MD, US | For General Purposes Of Recipient Charities | 2021 |
| Stamford Hospital Foundation | $2,000 | Stamford, CT, US | For General Purposes Of Recipient Charities | 2021 |
| The Elephant Sanctuary | $2,500 | Hohenwald, TN, US | For General Purposes Of Recipient Charities | 2021 |
| The Montessori School | $10,000 | Wilton, CT, US | For General Purposes Of Recipient Charities | 2021 |
| The Montessori School Endowment Fund | $10,000 | Wilton, CT, US | For General Purposes Of Recipient Charities | 2021 |
| United Church Of Rowayton | $5,000 | Rowayton, CT, US | For General Purposes Of Recipient Charities | 2021 |
| Woodlawn Conservancy Inc | $1,000 | Bronx, NY, US | For General Purposes Of Recipient Charities | 2021 |
| Woods Hole Oceanographic Institute | $20,000 | Woods Hole, MA, US | For General Purposes Of Recipient Charities | 2021 |
| All Hands Volunteers | $5,000 | Mattapoisett, MA, US | For General Purposes Of Recipient Charities | 2020 |
| Americares Foundation | $3,000 | Stamford, CT, US | For General Purposes Of Recipient Charities | 2020 |
| Aspca | $5,000 | New York, NY, US | For General Purposes Of Recipient Charities | 2020 |
| Audubon Canyon Ranch | $1,000 | Stinson Beach, CA, US | For General Purposes Of Recipient Charities | 2020 |
| Connecticut Food Bank | $10,000 | Wallingford, CT, US | For General Purposes Of Recipient Charities | 2020 |
| Connecticut Fund For The Environment | $2,000 | New Haven, CT, US | For General Purposes Of Recipient Charities | 2020 |
| Doctors Without Borders | $3,000 | New York, NY, US | For General Purposes Of Recipient Charities | 2020 |
| Dorothy Day Hospitality House | $5,000 | Danbury, CT, US | For General Purposes Of Recipient Charities | 2020 |
| Greenwich Land Trust Inc | $10,000 | Greenwich, CT, US | For General Purposes Of Recipient Charities | 2020 |
| Haystack Mountain School Of Crafts | $2,500 | Deer Isle, ME, US | For General Purposes Of Recipient Charities | 2020 |
| Kieve-wavus Education Inc | $5,000 | Nobleboro, ME, US | For General Purposes Of Recipient Charities | 2020 |
| Kisma Preserve | $3,000 | Mt Desert, ME, US | For General Purposes Of Recipient Charities | 2020 |
| Lockwood-mathews Mansion Museum | $1,000 | Norwalk, CT, US | For General Purposes Of Recipient Charities | 2020 |
| Mark Twain Library | $3,000 | West Redding, CT, US | For General Purposes Of Recipient Charities | 2020 |
| Museum Of The City Of New York | $3,000 | New York, NY, US | For General Purposes Of Recipient Charities | 2020 |
| New York Botanical Garden | $25,000 | Bronx, NY, US | For General Purposes Of Recipient Charities | 2020 |
| North Country School Scholarship | $5,000 | Lake Placid, NY, US | For General Purposes Of Recipient Charities | 2020 |
| Person To Person | $5,000 | Darien, CT, US | For General Purposes Of Recipient Charities | 2020 |
| Planned Parenthood Of Connecticut | $20,000 | New Haven, CT, US | For General Purposes Of Recipient Charities | 2020 |
| Planned Parenthood Of New York City | $20,000 | New York, NY, US | For General Purposes Of Recipient Charities | 2020 |
| Redding Land Trust | $5,000 | Redding, CT, US | For General Purposes Of Recipient Charities | 2020 |
| Rowayton Arts Center | $1,000 | Norwalk, CT, US | For General Purposes Of Recipient Charities | 2020 |
| Silvermine Guild Arts Center | $3,000 | New Canaan, CT, US | For General Purposes Of Recipient Charities | 2020 |
| Spence Chapin | $15,000 | New York, NY, US | For General Purposes Of Recipient Charities | 2020 |
| St Bartholemew's Church | $5,000 | New York, NY, US | For General Purposes Of Recipient Charities | 2020 |
| St Hilda's & St Hugh's School | $15,000 | New York, NY, US | For General Purposes Of Recipient Charities | 2020 |
| St Timothy's School | $25,000 | Stevenson, MD, US | For General Purposes Of Recipient Charities | 2020 |
| Stamford Hospital Foundation | $2,000 | Stamford, CT, US | For General Purposes Of Recipient Charities | 2020 |
| The Elephant Sanctuary | $2,500 | Hohenwald, TN, US | For General Purposes Of Recipient Charities | 2020 |
| The Montessori School | $15,000 | Wilton, CT, US | For General Purposes Of Recipient Charities | 2020 |
| The Montessori School Endowment Fund | $15,000 | Wilton, CT, US | For General Purposes Of Recipient Charities | 2020 |
| United Church Of Rowayton | $5,000 | Rowayton, CT, US | For General Purposes Of Recipient Charities | 2020 |
| Woodlawn Conservancy Inc | $1,500 | Bronx, NY, US | For General Purposes Of Recipient Charities | 2020 |
| Woods Hole Oceanographic Institute | $25,000 | Woods Hole, MA, US | For General Purposes Of Recipient Charities | 2020 |
| Bolinas Museum | $1,000 | Bolinas, CA, US | For General Purposes Of Recipient Charities | 2020 |
| Salvation Army | $5,000 | New York, NY, US | For General Purposes Of Recipient Charities | 2020 |
| Commonweal | $1,000 | Bolinas, CA, US | For General Purposes Of Recipient Charities | 2020 |
| Friends Of Bolinas Stinson Beach Libraries | $1,000 | Stinson Beach, CA, US | For General Purposes Of Recipient Charities | 2020 |
| Hugenot & New Rochelle Historical Society | $2,000 | New Rochelle, NY, US | For General Purposes Of Recipient Charities | 2020 |
| All Hands Volunteers | $1,000 | Mattapoisett, MA, US | For General Purposes Of Recipient Charities | 2018 |
| Americares Foundation | $1,500 | Stamford, CT, US | For General Purposes Of Recipient Charities | 2018 |
| Aspca | $3,500 | New York, NY, US | For General Purposes Of Recipient Charities | 2018 |
| Audubon Canyon Ranch | $1,000 | Stinson Beach, CA, US | For General Purposes Of Recipient Charities | 2018 |
| Connecticut Food Bank | $1,000 | Wallingford, CT, US | For General Purposes Of Recipient Charities | 2018 |
| Connecticut Fund For The Environment | $2,000 | New Haven, CT, US | For General Purposes Of Recipient Charities | 2018 |
| Doctors Without Borders | $1,500 | New York, NY, US | For General Purposes Of Recipient Charities | 2018 |
| Dorothy Day Hospitality House | $1,000 | Danbury, CT, US | For General Purposes Of Recipient Charities | 2018 |
| St Hilda's & St Hugh's School | $10,000 | New York, NY, US | For General Purposes Of Recipient Charities | 2018 |
| Haystack Mountain School Of Crafts | $1,000 | Deer Isle, ME, US | For General Purposes Of Recipient Charities | 2018 |
| Huguenot & New Rochelle Historical Society | $1,000 | New Rochelle, NY, US | For General Purposes Of Recipient Charities | 2018 |
| Kieve-wavus Education Inc | $1,000 | Nobleboro, ME, US | For General Purposes Of Recipient Charities | 2018 |
| Kisma Preserve | $1,500 | Mt Desert, ME, US | For General Purposes Of Recipient Charities | 2018 |
| Mark Twain Library | $1,000 | West Redding, CT, US | For General Purposes Of Recipient Charities | 2018 |
| Museum Of The City Of New York | $2,500 | New York, NY, US | For General Purposes Of Recipient Charities | 2018 |
| New York Botanical Garden | $20,000 | Bronx, NY, US | For General Purposes Of Recipient Charities | 2018 |
| North Country School Scholarship | $5,000 | Lake Placid, NY, US | For General Purposes Of Recipient Charities | 2018 |
| Person To Person | $1,000 | Darien, CT, US | For General Purposes Of Recipient Charities | 2018 |
| Planned Parenthood Of Connecticut | $10,000 | New Haven, CT, US | For General Purposes Of Recipient Charities | 2018 |
| Planned Parenthood Of New York City | $10,000 | New York, NY, US | For General Purposes Of Recipient Charities | 2018 |
| Redding Land Trust | $1,000 | Redding, CT, US | For General Purposes Of Recipient Charities | 2018 |
| Silvermine Guild Arts Center | $2,000 | New Canaan, CT, US | For General Purposes Of Recipient Charities | 2018 |
| St Bartholemew's Church | $1,000 | New York, NY, US | For General Purposes Of Recipient Charities | 2018 |
| St Timothy's School | $15,000 | Stevenson, MD, US | For General Purposes Of Recipient Charities | 2018 |
| Stamford Hospital Foundation | $2,000 | Stamford, CT, US | For General Purposes Of Recipient Charities | 2018 |
| The Elephant Sanctuary | $2,500 | Hohenwald, TN, US | For General Purposes Of Recipient Charities | 2018 |
| United Church Of Royaton | $5,000 | Rowayton, CT, US | For General Purposes Of Recipient Charities | 2018 |
| Woods Hole Oceanographic Institute | $10,000 | Woods Hole, MA, US | For General Purposes Of Recipient Charities | 2018 |
| Spence Chapin | $6,000 | New York, NY, US | For General Purposes Of Recipient Charities | 2018 |
| Aspca | $5,000 | New York, NY, US | For General Purposes Of Recipient Charities | 2017 |
| Audubon Canyon Ranch | $1,000 | Stinson Beach, CA, US | For General Purposes Of Recipient Charities | 2017 |
| Doctors Without Borders | $2,000 | New York, NY, US | For General Purposes Of Recipient Charities | 2017 |
| Haystack Mountain School Of Crafts | $1,000 | Deer Isle, ME, US | For General Purposes Of Recipient Charities | 2017 |
| Huguenot & New Rochelle Historical Society | $1,000 | New Rochelle, NY, US | For General Purposes Of Recipient Charities | 2017 |
| Kisma Preserve | $1,500 | Mt Desert, ME, US | For General Purposes Of Recipient Charities | 2017 |
| Museum Of The City Of New York | $2,500 | New York, NY, US | For General Purposes Of Recipient Charities | 2017 |
| New York Botanical Garden | $25,000 | Bronx, NY, US | For General Purposes Of Recipient Charities | 2017 |
| North Country School Scholarship | $5,000 | Lake Placid, NY, US | For General Purposes Of Recipient Charities | 2017 |
| Person To Person | $5,000 | Darien, CT, US | For General Purposes Of Recipient Charities | 2017 |
| Planned Parenthood Of Connecticut | $20,000 | New Haven, CT, US | For General Purposes Of Recipient Charities | 2017 |
| Planned Parenthood Of New York City | $20,000 | New York, NY, US | For General Purposes Of Recipient Charities | 2017 |
| Save The Sound Ct Fund For The Environment | $1,000 | New Haven, CT, US | For General Purposes Of Recipient Charities | 2017 |
| Silvermine Guild Arts Center | $3,000 | New Canaan, CT, US | For General Purposes Of Recipient Charities | 2017 |
| St Bartholemew's Church | $2,500 | New York, NY, US | For General Purposes Of Recipient Charities | 2017 |
| St Timothy's School | $37,500 | Stevenson, MD, US | For General Purposes Of Recipient Charities | 2017 |
| Stamford Hospital Foundation | $5,000 | Stamford, CT, US | For General Purposes Of Recipient Charities | 2017 |
| The Elephant Sanctuary | $2,500 | Hohenwald, TN, US | For General Purposes Of Recipient Charities | 2017 |
| The Grammar School | $2,000 | Putney, VT, US | For General Purposes Of Recipient Charities | 2017 |
| The Montessori School | $2,000 | Wilton, CT, US | For General Purposes Of Recipient Charities | 2017 |
| Wings Worldquest | $7,500 | New York, NY, US | For General Purposes Of Recipient Charities | 2017 |
| Woods Hole Oceanographic Institute | $25,000 | Woods Hole, MA, US | For General Purposes Of Recipient Charities | 2017 |
| All Hands Volunteers | $1,500 | Mattapoisett, MA, US | For General Purposes Of Recipient Charities | 2017 |
| United Church Of Royaton | $5,000 | Rowayton, CT, US | For General Purposes Of Recipient Charities | 2017 |
| Commonweal | $700 | Bolinas, CA, US | For General Purposes Of Recipient Charities | 2017 |
| Connecticut Food Bank | $1,500 | Wallingford, CT, US | For General Purposes Of Recipient Charities | 2017 |
| Dorothy Day Hospitality House | $1,500 | Danbury, CT, US | For General Purposes Of Recipient Charities | 2017 |
| Environmental Defense Fund | $2,000 | Washington, DC, US | For General Purposes Of Recipient Charities | 2017 |
| Friends Committee On National Legislation | $2,000 | Washington, DC, US | For General Purposes Of Recipient Charities | 2017 |
| Friends Of Bolinas Stinson Beach Libraries | $800 | Stinson Beach, CA, US | For General Purposes Of Recipient Charities | 2017 |
| Greenwich Land Trust | $5,000 | Greenwich, CT, US | For General Purposes Of Recipient Charities | 2017 |
| Kieve-wavus Education Inc | $1,500 | Nobleboro, ME, US | For General Purposes Of Recipient Charities | 2017 |
| Mark Twain Library | $1,500 | West Redding, CT, US | For General Purposes Of Recipient Charities | 2017 |
| Public Citizen | $1,000 | Washington, DC, US | For General Purposes Of Recipient Charities | 2017 |
| Redding Land Trust | $1,500 | Redding, CT, US | For General Purposes Of Recipient Charities | 2017 |
| St Aidan's Epsicopal Church | $500 | Bolinas, CA, US | For General Purposes Of Recipient Charities | 2017 |
| Americares Foundation | $2,000 | Stamford, CT, US | For General Purposes Of Recipient Charities | 2017 |
| Bolinas Community Land Trust | $2,000 | Bolinas, CA, US | For General Purposes Of Recipient Charities | 2017 |
| Hamilton College | $1,000 | Clinton, NY, US | For General Purposes Of Recipient Charities | 2017 |
| The Putney School | $1,000 | Putney, VT, US | For General Purposes Of Recipient Charities | 2017 |
| Aspca | $5,000 | New York, NY, US | For General Purposes Of Recipient Charities | 2016 |
| Doctors Without Borders | $10,000 | New York, NY, US | For General Purposes Of Recipient Charities | 2016 |
| The Elephant Sanctuary | $2,500 | Hohenwald, TN, US | For General Purposes Of Recipient Charities | 2016 |
| Haystack Mountain School Of Crafts | $1,000 | Deer Isle, ME, US | For General Purposes Of Recipient Charities | 2016 |
| Huguenot & New Rochelle Historical Society | $1,000 | New Rochelle, NY, US | For General Purposes Of Recipient Charities | 2016 |
| Kisma Preserve | $1,500 | Mt Desert, ME, US | For General Purposes Of Recipient Charities | 2016 |
| Museum Of The City Of New York | $2,500 | New York, NY, US | For General Purposes Of Recipient Charities | 2016 |
| New York Botanical Garden | $25,000 | Bronx, NY, US | For General Purposes Of Recipient Charities | 2016 |
| North Country School Scholarship | $4,000 | Lake Placid, NY, US | For General Purposes Of Recipient Charities | 2016 |
| Planned Parenthood Of Connecticut | $20,000 | New Haven, CT, US | For General Purposes Of Recipient Charities | 2016 |
| Planned Parenthood Of New York City | $20,000 | New York, NY, US | For General Purposes Of Recipient Charities | 2016 |
| Save The Sound Ct Fund For The Environment | $1,000 | New Haven, CT, US | For General Purposes Of Recipient Charities | 2016 |
| Silvermine Guild Arts Center | $2,500 | New Canaan, CT, US | For General Purposes Of Recipient Charities | 2016 |
| St Bartholemew's Church | $5,000 | New York, NY, US | For General Purposes Of Recipient Charities | 2016 |
| St Timothy's School | $20,000 | Stevenson, MD, US | For General Purposes Of Recipient Charities | 2016 |
| Stamford Hospital Foundation | $5,000 | Stamford, CT, US | For General Purposes Of Recipient Charities | 2016 |
| The Grammar School | $2,500 | Putney, VT, US | For General Purposes Of Recipient Charities | 2016 |
| The Mark Twain Library | $1,000 | West Redding, CT, US | For General Purposes Of Recipient Charities | 2016 |
| The Montessori School | $5,500 | Wilton, CT, US | For General Purposes Of Recipient Charities | 2016 |
| Woods Hole Oceanographic Institute | $25,000 | Woods Hole, MA, US | For General Purposes Of Recipient Charities | 2016 |
| The Eden Projects | $2,500 | Glendora, CA, US | For General Purposes Of Recipient Charities | 2016 |
| Audubon Canyon Ranch | $1,000 | Stinson Beach, CA, US | For General Purposes Of Recipient Charities | 2016 |
| Person To Person | $10,000 | Darien, CT, US | For General Purposes Of Recipient Charities | 2016 |
| Wings Worldquest | $5,000 | New York, NY, US | For General Purposes Of Recipient Charities | 2016 |
Foundations Similar to O'donnell Iselin Foundation Inc
Discover 5 foundations with comparable assets ($3,955,194-$4,001,788), similar grant patterns, and geographic focus in NY that may also align with your organization's funding needs and grant seeking strategy.
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Contact Information
Official contact details for O'donnell Iselin Foundation Inc as registered with the IRS. These details are essential for grant applications, correspondence, and due diligence processes.
| EIN | 51-6016471 |
| Website | N/A |
| Address | CO F MEGALE CPA 9 ALDEN AVE Valley Stream, NY 11580-0000 |
Key People (3)
Board members, trustees, and key staff who oversee O'donnell Iselin Foundation Inc's grant making decisions and strategic direction. Understanding leadership composition can provide insights into foundation priorities and potential networking opportunities.
| President | Urling Iselin Searle |
|---|---|
| Vice President | Gordon B Whelpley Jr |
| Secretary | Frank Megale |
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 O'donnell Iselin Foundation Inc 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.
Data Sources & Accuracy
All information is derived from official IRS filings and public records. Grant Bay processes thousands of Form 990-PF documents to extract grant details, financial data, and organizational information. Data accuracy depends on foundation reporting quality and IRS filing completeness.
Research Applications
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Data Currency: Last updated
February 2026
based on IRS Form 990-PF filings. Foundation information reflects most recent available tax year data.