The Oliver Dewey Mayor Foundation
The Oliver Dewey Mayor Foundation is a private foundation based in Tulsa, Oklahoma, established in 1983. The foundation operates as a charitable trust serving two primary geographic regions: Mayes County, Oklahoma, and Grayson County, Texas. The foundation is the legacy of Oliver Dewey "Jock" Mayor, a rancher, businessman, and entrepreneur.
Financial Overview
From 2025 IRS Form 990-PF · View filing
Total Assets
$9.6M
-2.3% YoY
Annual Giving
$534K
+52.4% YoY
Grant Count
39
+21.9% YoY
Avg Grant Size
$14K
+25.0% YoY
Under IRS private-foundation payout rules, The Oliver Dewey Mayor Foundation reported a distributable amount of $907K for 2025 — the minimum it must pay out in qualifying distributions.
Mission & Focus Areas
The Mayor Foundation is operated exclusively for public, charitable, scientific, literary, or educational purposes within Mayes County, Oklahoma, and Grayson County, Texas. Generally, grants are made only to institutions, organizations, and agencies located in either of these two counties, though grants may be made to other qualified organizations that will use the funds for the substantial benefit of the inhabitants of these two counties.
The foundation's primary funding interests include:
- Education
- Community development and community service opportunities
- Youth activities and programs
- Medical-related programs
- Cultural activities
- Leadership training and activities
- Programs that benefit the largest population possible
- Human services
- Philanthropy, voluntarism, and grantmaking
Grantmaking
Review Cycle
with four submission deadlines:
How to Apply
** The foundation operates on an annual grant cycle with four submission deadlines:
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Geographic Focus
Where this funder awards grants
The foundation primarily serves:
- Mayes County, Oklahoma
- Grayson County, Texas
While grants are generally made only to institutions and organizations located in these two counties, the foundation may make grants to other qualified organizations whose work benefits the residents and communities of these areas.
Grant Distribution by State
Cities
Financial History
Multi-year comparison from IRS filings
- Total Assets: $9,550,220
- Total Annual Giving: $534,259
- EIN: 75-1864630
| Metric | 2025 | 2024 | 2023 |
|---|---|---|---|
| Total Assets | $9,550,220 | $9,777,284 | $9,900,883 |
| Revenue | $595,281 | $503,614 | $4,083,332 |
| Expenses | $813,330 | $653,819 | $671,374 |
| Qualifying Distributions | $619,241 | $405,373 | $401,518 |
| Net Investment Income | $374,497 | $337,581 | $3,840,240 |
| Distributable Amount | $906,729 | $616,168 | $558,070 |
Giving Over Time
Total grant dollars and number of grants per year
Grant Insights
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
Grant Size Distribution
160 grants across all recorded years
Open Grants
1 open opportunity from The Oliver Dewey Mayor Foundation
Giving History
Grant recipients and amounts by year
Among its reported 2025 grants, the largest include Osage-pleasant View Fire Dept Inc ($85,000), Child & Family Guidance Center of Texoma ($40,000), Adair Community for Excellence ($32,600).
| Recipient | Purpose | Amount |
|---|---|---|
| COURT APPOINTED SPECIAL ADVOCATES SHERMAN, TX | GENERAL OPERATING | $5,000 |
| DENISON INDEPENDENT SCHOOL DISTRICT DENISON, TX | GENERAL OPERATING | $8,400 |
| DENISON PERFORMING ARTS DENISON, TX | GENERAL OPERATING | $5,000 |
| SHARE MINISTRIES INC SHERMAN, TX | GENERAL OPERATING | $6,000 |
| HABITAT FOR HUMANITY INTERNATIONAL INC SHERMAN, TX | GENERAL OPERATING | $3,970 |
| SHERMAN SYMPHONY ORCHESTRA ASSOCIATION SHERMAN, TX | GENERAL OPERATING | $5,000 |
| ADAIR PUBLIC SCHOOLS ADAIR, OK | GENERAL OPERATING | $25,000 |
| CITY OF BELLS FIRE DEPARTMENT BELLS, TX | GENERAL OPERATING | $20,000 |
| WHITEWRIGHT PUBLIC LIBRARY WHITEWRIGHT, TX | GENERAL OPERATING | $1,000 |
| BOY SCOUTS OF AMERICA TULSA, OK | COMMUNITY SUPPORT | $10,000 |
Leadership & Key People
Officers and directors from IRS filings
Compensation Overview
From 2025 IRS filing
From 2025 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| BANK OF TEXAS NA | CORPORATE | 20 | $127,321 |
| HORACE GROFF | GOVERNOR | 2 | $1,500 |
| MARK RUSSELL | GOVERNOR | 2 | $500 |
| CURT STUTZMAN | GOVERNOR | 2 | $2,000 |
| MARSHA W DOWNUM | GOVERNOR | 2 | $2,000 |
| CHEYRL COHAGAN | GOVERNOR | 2 | $2,000 |
| ROBERT BENJAMIN SHERRER | GOVERNOR | 2 | $2,000 |
Contact Information
Mailing Address: PO Box 1620 Tulsa, OK 74101-1620
Telephone: 918-619-1527
Frequently Asked Questions
What does The Oliver Dewey Mayor Foundation fund?
The Mayor Foundation is operated exclusively for public, charitable, scientific, literary, or educational purposes within Mayes County, Oklahoma, and Grayson County, Texas. Generally, grants are made only to institutions, organizations, and agencies located in either of these two counties, though grants may be made to other qualified organizations that will use the funds for the substantial benefit of the inhabitants of these two counties. The foundation's primary funding interests include: • E…
How do I apply for a grant from The Oliver Dewey Mayor Foundation?
**Grant Amounts:** Typical awards range from $1,000 to $85,000. **Types of Support:** The foundation provides project support and other forms of funding to eligible organizations. **Application Process:** The foundation operates on an annual grant cycle with four submission deadlines: • February 15 • May 15 • August 15 • November 15 **Recent Activity:** The foundation awarded a $9,000 grant to the Pryor Area Resource Alliance in 2024 for community benefit purposes.
Where does The Oliver Dewey Mayor Foundation make grants?
The foundation primarily serves: • **Mayes County, Oklahoma** • **Grayson County, Texas** While grants are generally made only to institutions and organizations located in these two counties, the foundation may make grants to other qualified organizations whose work benefits the residents and communities of these areas.
What size grants does The Oliver Dewey Mayor Foundation award?
In 2025, The Oliver Dewey Mayor Foundation awarded 39 grants totaling $534K — an average of about $14K per grant, based on its IRS Form 990 filings.
How much is The Oliver Dewey Mayor Foundation required to give away each year?
Private foundations must generally distribute about 5% of their assets annually. For 2025, The Oliver Dewey Mayor Foundation reported a distributable amount of $907K on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.
What is The Oliver Dewey Mayor Foundation's EIN?
The Oliver Dewey Mayor Foundation's EIN (Employer Identification Number) is 75-1864630. IRS Form 990 filing data is available on this page for 2021–2025.
Explore Open Grants
Browse active grant opportunities in The Oliver Dewey Mayor Foundation's focus areas in our free grants database
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Data last updated June 2026. Sourced from IRS Form 990-PF filings. Research dossier generated April 2026.
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