The Texas State Capitol

Form 990-PFTax year 2025EIN 36-6010112

Alonzo Clark Mather Trust

A private foundation in Dallas, TX. Its return for tax year 2025 lists 1 grant and $246,216 paid in grants.

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

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

8 returns on file
Grants paid by tax year. The latest year is in blue.
  • Tax year 2025

    $246,216

    Grants listed
    1
    Assets, end of year
    $3,828,982
  • Tax year 2024

    $223,661

    Grants listed
    1
    Assets, end of year
    $3,741,909
  • Tax year 2023

    $226,360

    Grants listed
    1
    Assets, end of year
    $3,532,183
  • Tax year 2022

    $254,986

    Grants listed
    1
    Assets, end of year
    $3,675,735
  • Tax year 2021

    $211,460

    Grants listed
    1
    Assets, end of year
    $3,920,374
  • Tax year 2020

    $181,213

    Grants listed
    1
    Assets, end of year
    $4,014,145
  • Tax year 2019

    $156,897

    Grants listed
    1
    Assets, end of year
    $4,161,448
  • Tax year 2018

    $175,045

    Grants listed
    1
    Assets, end of year
    $4,240,069

Grants paid in 2025

1 grant, largest first

As listed on the return.

  1. Mather FoundationEvanston, IL

    Unrestricted general

    $246,216

Where the money goes

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

  1. Health1 grant $246,216100% of the total

By State

Grants to organizations with a US address, latest year.

  1. Illinois1 grant $246,216

Officers, directors and trustees

3 people as filed

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

  • Bank of AmericaTRUSTEE Hours 1Pay $74,041
  • David Watkins CfaCO-TRUSTEE Hours 1Pay $9,151
  • Alan WyldeCO-TRUSTEE Hours 1Pay $9,151

The return

More foundations

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Same main cause (health), giving between a quarter and four times this foundation’s where possible, nearby first.

  1. TR UW Clinton L WilliamsDallas, TX 4 grants Preselected only $247,036 giving
  2. Tua Eva D McCarthy CharitableDallas, TX 2 grants Preselected only $247,758 giving
  3. F M Bernardin Charitable TrustDallas, TX 3 grants Preselected only $248,787 giving
  4. Josephine Rogers Perpetual TrustDallas, TX 6 grants Preselected only $243,366 giving
  5. Henry Brooks Trust CDallas, TX 14 grants Preselected only $240,000 giving