Fiscal year ending 2025. Filed on November 7, 2025.
141 W Jackson 2250
Chicago, Illinois 60604
The William F O'connor Foundation (EIN: 36-3593445) has filed an IRS Form 990 between fiscal years 2021 and 2025. In its fiscal year 2025 IRS Form 990 filing, The William F O'connor Foundation, a 501(c)(3) charitable organization, reported compensation for 3 employees. Among the employees shown here, the average compensation is $40,000. The highest compensated employee at The William F O'connor Foundation is Carol Hennessy with fiscal year 2025 compensation of $40,000.
Revenue
Expenses
Employee compensation
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