The Mary H Cain Foundation
Historical FunderHouston, Texas · EIN 20-8483925 · Private foundation
Grants paid (2024)$3.5M
Organizations funded21
Typical grant$75,000
Total assets$87.4M
Half of its grants to organizations were between $19,000 and $150,000.
From the return
How to apply
The foundation filed the following application information (Form 990-PF Part XV, tax year 2024):
| Contact | MARGARET W WEAVER |
|---|---|
| Address | 8 GREENWAY PLAZA SUITE 606, HOUSTON TX 77046 |
| Phone | 7138407896 |
| Form and materials | THE MARY H. CAIN FOUNDATION, A NON-PROFIT PHILANTHROPIC ORGANIZATION INCORPORATED IN THE STATE OF TEXAS IN 2007 WAS FOUNDED TO PROVIDE FINANCIAL SUPPORT TO PRIMARILY LOCAL HOUSTON CHARITABLE AND EDUCATIONAL ORGANIZATIONS. YOUR REQUEST FOR FUNDING SHOULD BE SUBMITTED AS A FORMAL PROPROSAL. PLEASE DO NOT USE PRESENTATION BINDERS, REPORT COVERS, DISPLAY BINDERS OR FOLDERS. THE PROPOSAL SHOULD BE CONCISE, CLEARLY WRITTEN, AND INCLUDE THE FOLLOWING: * A DETAILED EXPLANATION OF THE PURPOSE AND OBJECTIVES OF THE PROPOSED PROJECT OR ACTIVITY. A BRIEF HISTORY OF THE ORGANIZATION AND THOSE OF WHOME IT SERVES. PLEASE INCLUDE THE COMMUNITY NEED FOR THE PROJECT. *A MOST RECENT AUDITED FINANCIAL STATEMENT, A CURRENT AND ITEMIZED ANNUAL BUDGET FOR YOUR ORGANIZATION, AND PROJECT BUDGET IF APPLICABLE. PLEASE INCLUDE THE AMOUNT NEEDED FOR THE ENTIRE PROJECT AND THE AMOUNT OF THE GRANT YOU ARE REQUESTING. * PLEASE CONTACT THE OFFICE FOR ADDITIONAL REQUIREMENTS. |
| Deadlines | THE DEADLINE FOR PROPOSALS IS THE FIRST DAY OF THE MONTH PRIOR TO THE MONTH OF BOARD MEETING. |
| Restrictions | ALL INQUIRIES AND GRANT PROPOSALS FOR NON-PROFT ORGANIZATIONS ARE WELCOMED AND REVIEWED EQUALLY. FINAL DISPOSTION OF ALL PROPOSALS IS MADE AT MEETINGS OF THE FOUNDATION'S BOARD OF TRUSTEES, USUALLY IN MAY AND DECEMBER OF EACH YEAR. |
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
33% of grants went outside Texas.
Grants paid in tax year 2024
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Houston Methodist Hospital | Houston, TX | Unrestricted | $850,000 |
| Tirr Foundation | Houston, TX | Unrestricted | $850,000 |
| St Martin's Episcopal Church | Houston, TX | Unrestricted | $450,000 |
| Health Services District of Kershaw County | Camden, SC | Unrestricted | $230,000 |
| Texas Innocence Network | Houston, TX | Unrestricted | $210,000 |
| Avery County Schools Education Fund | Linville, NC | Unrestricted | $150,000 |
| Surry Community College Foundation | Dobson, NC | Unrestricted | $125,000 |
| Amon Carter Museum of American Art | Fort Worth, TX | Unrestricted | $100,000 |
| Tlr Foundation | Houston, TX | Unrestricted | $100,000 |
| Sheldon Independent School District | Houston, TX | Unrestricted | $95,000 |
| The Goodness Web Foundation | Wayland, MA | Unrestricted | $75,000 |
| Humble Isd Athletics | Humble, TX | Unrestricted | $60,000 |
| Splendora Isd | Splendora, TX | Unrestricted | $55,000 |
| Neuhaus Education Center | Bellaire, TX | Unrestricted | $50,000 |
| Institute for the Public Trust | Charlotte, NC | Unrestricted | $30,000 |
| Atascocita High School | Humble, TX | Unrestricted | $19,000 |
| Piedmont Land Conservancy | Greensboro, NC | Unrestricted | $15,000 |
| Forrest General Healthcare Foundation | Hattiesburg, MS | Unrestricted | $10,000 |
| Memorial Park Conservancy | Houston, TX | Unrestricted | $10,000 |
| Humble Isd Education Foundation | Humble, TX | Unrestricted | $10,000 |
| Atascocita Middle School | Humble, TX | Unrestricted | $6,000 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2024 | $3,500,000 | 21 |
| 2023 | $1,425,000 | 19 |
Sources
- IRS Form 990-PF, tax year 2024, filed Nov 12, 2025 - IRS e-file batch, object ID 202503169349102410
- IRS Tax Exempt Organization Search for EIN 20-8483925
- 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.