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Form 990-PFTax year 2025EIN 36-4486128

Flaherty Family Foundation

A private foundation in Chicago, IL. Its return for tax year 2025 lists 1 grant and $500 paid in grants.

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

Tax year 2025 (period ending Dec 31, 2025), 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

Accepts applications

The return gives an application contact and rules, as below.

Contact
William M Flaherty
141 W Jackson Blvd Suite 1310
Chicago, IL 60604
(312) 341-0615
Form and materials
Written
Deadlines
None
Restrictions
None

Assets and giving by year

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

  • Tax year 2025

    $500

    Grants listed
    1
    Assets, end of year
    $28,858

  • Tax year 2024

    $500

    Grants listed
    1
    Assets, end of year
    $28,296

  • Tax year 2023

    $250

    Grants listed
    1
    Assets, end of year
    $27,496

  • Tax year 2022

    $1,500

    Grants listed
    2
    Assets, end of year
    $26,516

  • Tax year 2021

    $0

    Grants listed
    0
    Assets, end of year
    $27,695

  • Tax year 2020

    $7,000

    Grants listed
    2
    Assets, end of year
    $27,718

Grants paid in 2025

1 grant, largest first

As listed on the return.

  1. The Marfan FoundationPRT Washingtn, NY

    General funds

    $500

Where the money goes

By State

Grants to organizations with a US address, latest year.

  1. New York1 grant $500

Officers, directors and trustees

4 people as filed

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

  • John K FlahertyDIRECTOR Hours 0.25Pay $0
  • Katherine L FlahertyDIRECTOR Hours 0.5Pay $0
  • John M FlahertyDIRECTOR Hours 0.5Pay $0
  • William M FlahertyDIRECTOR Hours 1Pay $0

The return

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