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Form 990-PFTax year 2024EIN 36-3337340

Aon Foundation

A private foundation in Chicago, IL. Its return for tax year 2024 lists 39 grants and $2.2 million paid in grants.

See which foundations fund work like yours Matching by cause, place and grant size

Tax year 2024 (period ending Dec 31, 2024), read from the IRS e-file on Nov 11, 2026. Returns reach the IRS 5 to 18 months after the year they describe.

How to apply

Preselected only

The return checks the box saying the foundation gives only to preselected organizations and does not accept unsolicited requests.

Assets and giving by year

5 returns on file
Grants paid by tax year. The latest year is in blue.

  • Tax year 2024

    $2,200,052

    Grants listed
    39
    Assets, end of year
    $49,993

  • Tax year 2023

    $2,260,018

    Grants listed
    37
    Assets, end of year
    $49,906

  • Tax year 2022

    $2,239,035

    Grants listed
    27
    Assets, end of year
    $1,006

  • Tax year 2021

    $2,351,143

    Grants listed
    50
    Assets, end of year
    $1,080

  • Tax year 2020

    $2,412,075

    Grants listed
    348
    Assets, end of year
    $1,087

Grants paid in 2024

39 grants, largest first

As listed on the return.

  1. American Red Cross Greater Chicago ChapterChicago, IL

    General operating support

    $500,000
  2. United Way of Metropolitan ChicagoChicago, IL

    General operating support

    $250,000
  3. American Online Giving Foundation IncNewark, DE

    Facilitate donations to registered charities

    $166,924
  4. University of Notre Dame Du LacNotre Dame, IN

    General operating support

    $100,000
  5. World Business ChicagoChicago, IL

    General operating support

    $100,000
  6. American Online Giving Foundation IncNewark, DE

    Facilitate donations to registered charities

    $75,725
  7. Facing History and Ourselves IncBoston, MA

    General operating support

    $75,000
  8. American Online Giving Foundation IncNewark, DE

    Facilitate donations to registered charities

    $71,114
  9. St Louis UniversitySaint Louis, MO

    General operating support

    $70,000
  10. American Online Giving Foundation IncNewark, DE

    Facilitate donations to registered charities

    $67,415
  11. American Online Giving Foundation IncNewark, DE

    Facilitate donations to registered charities

    $64,413
  12. National Merit Scholarship CorporationEvanston, IL

    General operating support

    $62,115
  13. American Online Giving Foundation IncNewark, DE

    Facilitate donations to registered charities

    $57,989
  14. American Ireland FundBoston, MA

    General operating support

    $56,000
  15. American Online Giving Foundation IncNewark, DE

    Facilitate donations to registered charities

    $53,092
  16. American Corporate PartnersNew York, NY

    General operating support

    $50,000
  17. American Online Giving Foundation IncNewark, DE

    Facilitate donations to registered charities

    $48,592
  18. American Online Giving Foundation IncNewark, DE

    Facilitate donations to registered charities

    $46,561
  19. American Online Giving Foundation IncNewark, DE

    Facilitate donations to registered charities

    $44,545
  20. American Online Giving Foundation IncNewark, DE

    Facilitate donations to registered charities

    $44,109
  21. American Online Giving Foundation IncNewark, DE

    Facilitate donations to registered charities

    $25,658
  22. BrightpointChicago, IL

    General operating support

    $15,000
  23. Commercial Club FoundationChicago, IL

    General operating support

    $15,000
  24. Jewish United Fund of Metropolitan ChicagoChicago, IL

    General operating support

    $15,000
  25. American Corporate PartnersNew York, NY

    General operating support

    $10,000
  26. Ann & Robert H Lurie Childrens Hospital of Chicago FoundationChicago, IL

    General operating support

    $10,000
  27. Bradley UniversityPeoria, IL

    General operating support

    $10,000
  28. Chicago Academy of SciencesChicago, IL

    General operating support

    $10,000
  29. Childrens Home Association of IllinoisPeoria, IL

    General operating support

    $10,000
  30. Contentment FoundationSanta Monica, CA

    General operating support

    $10,000
  31. Fontbonne UniversitySt Louis, MO

    General operating support

    $10,000
  32. Juilliard SchoolNew York, NY

    General operating support

    $10,000
  33. Junior Achievement of ChicagoChicago, IL

    General operating support

    $10,000
  34. Mona FoundationBellevue, WA

    General operating support

    $10,000
  35. United Way of Metropolitan ChicagoChicago, IL

    General operating support

    $10,000
  36. Jacksonville Humane SocietyJacksonville, FL

    General operating support

    $5,000
  37. Partnership for Cures DBA Cures Within ReachChicago, IL

    General operating support

    $5,000
  38. Vestibular Disorders AssociationPortland, OR

    General operating support

    $5,000
  39. Ronald McDonald House Charities of Chicagoland and Northwest IndianaHines, IL

    General operating support

    $800

Where the money goes

By cause: grants to organizations we matched to the IRS list of exempt organizations, by their category.

  1. Philanthropy and grantmaking16 grants $1,051,13770% of the total
  2. Education5 grants $162,11511% of the total
  3. Community development1 grant $100,0007% of the total
  4. Arts and culture2 grants $85,0006% of the total
  5. Human services3 grants $70,0005% of the total
  6. Health2 grants $15,0001% of the total
  7. 2 other causes2 grants $15,0001% of the total

By State

Grants to organizations with a US address, latest year.

  1. Illinois15 grants $1,022,915
  2. Delaware12 grants $766,137
  3. Massachusetts2 grants $131,000
  4. Indiana1 grant $100,000
  5. Missouri2 grants $80,000
  6. New York3 grants $70,000
  7. California1 grant $10,000
  8. Washington1 grant $10,000
  9. Florida1 grant $5,000
  10. Oregon1 grant $5,000

Officers, directors and trustees

5 people as filed

As filed on the return, with average hours per week and pay from the foundation.

  • Carolyn Barry FrostPRESIDENT & TREASURER Hours 30Pay $0
  • Darren ZeidelSECRETARY Hours 1Pay $0
  • Andy WeitzDIRECTOR Hours 1Pay $0
  • Gregory C CaseDIRECTOR Hours 1Pay $0
  • Christa DaviesDIRECTOR Hours 1Pay $0

The return

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