Sheila A Penrose & R Ernest Mahaffey | Foundation Profile

GrantBay analyzes IRS Form 990-PF data to help grant seekers find fit funders like Sheila A Penrose & R Ernest Mahaffey. Data shown is extracted from Form 990-PF filings.

EIN: 36-4220588

Foundation Overview

Based in Geneva, IL, Sheila A Penrose & R Ernest Mahaffey has awarded 65 grants totaling $5,231,466 to organizations in Illinois, District of Columbia and 4 other states across the US. Individual grants range from $500 to $2,298,383, with a median award of $2,000.

Latest Tax Year
2022
Total Giving (all years)
$5,231,466
Total Assets
$0
Median Grant (all grants)
$2,000

Latest Form 990-PF Snapshot

Total Grants
6
Median Grant
$5,000
% Median Grant Growth
+400% (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
Balanced Approach: 33%

2 of 6 recipients (33%) were new grantees. Foundation maintains loyal partnerships while remaining open to qualified new applicants with strong proposals.

Geographic Focus
Florida

45% of grants are awarded in Florida, with additional funding distributed across 5 other locations. The foundation balances regional focus with broader geographic diversity. Within Florida, funding concentrates in St Petersburg (76%), Tampa (14%), Largo (7%).

Funding Trajectory
+731%

Strong 731% growth in annual giving over 2 years indicates expanding philanthropic capacity and increasing opportunities for grant seekers. This upward trajectory suggests growing foundation resources and commitment.

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 Sheila A Penrose & R Ernest Mahaffey'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
Chicago Community Foundation (donor Advised Fund) $2,298,383 Chicago, IL, US General Grantgeneral Grantgeneral Grantgeneral Grant 2022
American Red Cross $1,000 Washington, DC, US General Grant 2022
Eckerd College $5,000 St Petersburg, FL, US General Grant 2022
Chicago Community Foundation (Donor Advised Fund) $2,298,383 Chicago, IL, US General Grantgeneral Grantgeneral Grantgeneral Grant 2022
American Red Cross $1,000 Washington, DC, US General Grant 2022
Eckerd College $5,000 St Petersburg, FL, US General Grant 2022
African American Heritage House $5,000 San Jose, CA, US General Grantgeneral Grant 2021
American Red Cross $2,000 Washington, DC, US General Grant 2021
American Stage Theatre Company $1,000 St Petersburg, FL, US General Grant 2021
Bay Area Chamber Foundation $3,000 St Petersburg, FL, US General Grant 2021
Chautauqua Institution $85,000 Chautauqua, NY, US General Grant 2021
Chicago Council On Global Affairs $15,000 Chicago, IL, US General Grant 2021
Chicago Museum Of Science & Industry $60,000 Chicago, IL, US General Grant 2021
Chicago Shakespeare Theater $36,000 Chicago, IL, US General Grant 2021
Community Foundation Of Tampa Bay $1,000 Tampa, FL, US General Grant 2021
Dali Museum $500 St Petersburg, FL, US General Grant 2021
Eckerd College $43,500 St Petersburg, FL, US General Grant 2021
Faith & Action For Strength Together $5,000 St Petersburg, FL, US General Grant 2021
Florida Orchestra $1,000 St Petersburg, FL, US General Grant 2021
Human Rights Watch $1,000 New York, NY, US General Grant 2021
Pinellas County Urban League $4,000 St Petersburg, FL, US General Grant 2021
Planned Parenthood Federation Of America $1,000 New York, NY, US General Grant 2021
Poynter Institute For Media Studies Inc $2,000 St Petersburg, FL, US General Grant 2021
Pro Publica Inc $1,000 New York, NY, US General Grant 2021
Ready For Life $500 Largo, FL, US General Grant 2021
Rush University Medical Center $10,000 Chicago, IL, US General Grant 2021
Southern Poverty Law Center $1,000 Montgomery, AL, US General Grant 2021
St Petersburg College Foundation $500 St Petersburg, FL, US General Grant 2021
St Petersburg Opera $500 St Petersburg, FL, US General Grant 2021
Sunshine Enterprises $1,000 Chicago, IL, US General Grant 2021
United Way Of Metropolitan Chicago $10,000 Chicago, IL, US General Grant 2021
Wbez - Chicago Public Radio $1,000 Chicago, IL, US General Grant 2021
Wbfo Public Radio $1,000 Buffalo, NY, US General Grant 2021
Wusf Public Radio $1,000 Tampa, FL, US General Grant 2021
Carter Woodson Museum $50,000 St Petersburg, FL, US General Grant 2021
Equal Justice Initiative $1,000 Montgomery, AL, US General Grant 2021
League Of Women Voters Of Florida $500 Orlando, FL, US General Grant 2021
St Petersburg Preservation Inc $500 St Petersburg, FL, US General Grant 2021
African American Heritage House $5,000 San Jose, CA, US General Grant 2020
American Red Cross $2,000 Washington, DC, US General Grant 2020
Bay Area Chamber Foundation $3,000 St Petersburg, FL, US General Grant 2020
Chautauqua Institution $85,000 Chautauqua, NY, US General Grant 2020
Chicago Council On Global Affairs $15,000 Chicago, IL, US General Grant 2020
Chicago Museum Of Science & Industry $50,000 Chicago, IL, US General Grant 2020
Chicago Shakespeare Theater $30,000 Chicago, IL, US General Grant 2020
Community Foundation Of Tampa Bay $2,000 Tampa, FL, US General Grant 2020
Eckerd College $28,500 St Petersburg, FL, US General Grant 2020
Human Rights Watch $1,000 New York, NY, US General Grant 2020
Pinellas County Urban League $2,000 St Petersburg, FL, US General Grant 2020
Poynter Institute For Media Studies Inc $2,000 St Petersburg, FL, US General Grant 2020
Pro Publica Inc $1,000 New York, NY, US General Grant 2020
Ready For Life $500 Largo, FL, US General Grant 2020
Rush University Medical Center $20,000 Chicago, IL, US General Grant 2020
Southern Poverty Law Center $1,000 Montgomery, AL, US General Grant 2020
Sunshine Enterprises $1,000 Chicago, IL, US General Grant 2020
United Way Of Metropolitan Chicago $12,000 Chicago, IL, US General Grant 2020
Wbez - Chicago Public Radio $1,000 Chicago, IL, US General Grant 2020
Wbfo Public Radio $1,000 Buffalo, NY, US General Grant 2020
Wusf Public Radio $4,000 Tampa, FL, US General Grant 2020
Faith & Action For Strength Together $5,000 St Petersburg, FL, US General Grant 2020
St Petersburg Opera $500 St Petersburg, FL, US General Grant 2020
American Stage Theatre Company $2,200 St Petersburg, FL, US General Grant 2020
St Petersburg College Foundation $500 St Petersburg, FL, US General Grant 2020
Planned Parenthood Federation Of America $1,000 New York, NY, US General Grant 2020
Chicago Community Trust $1,000 Chicago, IL, US General Grant 2020

Foundations Similar to Sheila A Penrose & R Ernest Mahaffey

Discover 5 foundations with comparable assets ($0-$0), similar grant patterns, and geographic focus in IL that may also align with your organization's funding needs and grant seeking strategy.

Foundation Name Total Assets Typical Grant Size Service Area Similarity Match

EIN: 06-6098834 | 3 grants awarded
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median grant
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EIN: 02-0650747 | 184 grants awarded
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EIN: 13-6023212 | 19 grants awarded
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EIN: 11-3770397 | 4 grants awarded
$0
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$2,000
median grant
Glen Ellyn, IL
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EIN: 01-0825487 | 77 grants awarded
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Contact Information

Official contact details for Sheila A Penrose & R Ernest Mahaffey as registered with the IRS. These details are essential for grant applications, correspondence, and due diligence processes.

EIN 36-4220588
Website N/A
Address 25 N RIVER LN STE 2112 Geneva, IL 60134-2003

Key People (3)

Board members, trustees, and key staff who oversee Sheila A Penrose & R Ernest Mahaffey's grant making decisions and strategic direction. Understanding leadership composition can provide insights into foundation priorities and potential networking opportunities.

President & Director R Ernest Mahaffey
Secretary & Director Sheila A Penrose
Director Barbara Gaines

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 Sheila A Penrose & R Ernest Mahaffey 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

Use this profile for prospect research, grant strategy development, application preparation, and relationship building. Combine this data with additional research on foundation priorities, application processes, and board member backgrounds for comprehensive grant seeking strategies.

Data Currency: Last updated February 2026 based on IRS Form 990-PF filings. Foundation information reflects most recent available tax year data.