The William F O'connor Foundation
Historical FunderChicago, Illinois · EIN 36-3593445 · Private foundation
Half of its grants to organizations were between $1,500 and $10,000.
How to apply
The foundation filed the following application information (Form 990-PF Part XV, tax year 2024):
| Contact | CAROL HENNESSY THE WILLIAM F O'CONN |
|---|---|
| Address | 141 W JACKSON SUITE 2250, CHICAGO IL 60604 |
| Phone | 3129220062 |
| Form and materials | BUSINESS LETTER REQUEST WITH COPY OF TAX RETURN AND FINANCIAL STATEMENTS. |
| Deadlines | NONE |
| Restrictions | BOARD DISCRETION |
Copied as filed. Deadlines on a tax return describe the foundation's usual process; they are not confirmation of a current open cycle.
What it funds
Share of grant lines on the latest return, classified from the purpose each grant states.
Where it gives
18% of grants went outside Illinois.
Grants paid in tax year 2024
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Wttw Channel 11 | Chicago, IL | General | $110,000 |
| The Bridge Fund | New York, NY | General | $25,000 |
| St Coletta's of Illinois Foundation | Tinley Park, IL | General | $15,000 |
| Chicago Jesuit Academy | Chicago, IL | General | $10,000 |
| Club of Hearts Inc | Chicago, IL | General | $10,000 |
| Mission of Our Lady of Mercy-Mercy Home for Boys and Girls | Chicago, IL | General | $10,000 |
| Reading Power Inc | Lake Bluff, IL | General | $10,000 |
| St Patrick High School | Chicago, IL | General | $10,000 |
| Hazelden Betty Ford | Chicago, IL | General | $7,500 |
| Loyola Academy | Wilmette, IL | General | $7,000 |
| Big Shoulders Fund | Chicago, IL | General | $5,000 |
| Brother Dan's Food Pantry | Petoskey, MI | General | $5,000 |
| Chicago History Museum | Chicago, IL | General | $5,000 |
| Little Sisters of the Poor | Chicago, IL | General | $5,000 |
| Misericordia Family Association | Chicago, IL | General | $5,000 |
| The Manna Food Project | Harbor Springs, MI | General | $5,000 |
| Cristo Rey Jesuit High School | Chicago, IL | General | $4,000 |
| Catholic Charities | Chicago, IL | General | $2,500 |
| Boys Hope Girls Hope of Illinois | Wilmette, IL | General | $1,500 |
| St Angela School | Chicago, IL | General | $1,500 |
| The Joffrey Ballet of Chicago | Chicago, IL | General | $1,500 |
| Our Lady of the Light | Fort Myers, FL | General | $1,500 |
| Catholic Church Extension Society of USA | Chicago, IL | General | $1,000 |
| Our Fallen Hero Foundation | Mokena, IL | General | $1,000 |
| Desert Community Foundation | Palm Desert, CA | General | $500 |
| North Shore Art League | Winnetka, IL | General | $250 |
| Palette & Chisel Academy of Fine Arts | Chicago, IL | General | $250 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2024 | $260,000 | 27 |
| 2023 | $258,000 | 25 |
Sources
- IRS Form 990-PF, tax year 2024, filed Nov 7, 2025 - IRS e-file batch, object ID 202533119349102053
- IRS Tax Exempt Organization Search for EIN 36-3593445
- Profile updated Nov 5, 2026
Facts on this page come from the foundation's own IRS Form 990-PF filings as published by the IRS. Grantvello does not know whether a foundation is accepting proposals right now: a past grant is not an open opportunity. Always confirm current guidelines with the funder before applying.