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
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:
Ready to take the next step with The Oliver Dewey Mayor Foundation?
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
No grants recorded for .
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
Data last updated April 2026. Sourced from IRS Form 990-PF filings. Research dossier generated April 2026.
What could you do with The Oliver Dewey Mayor Foundation on Grantable?
- Assess strategic fit with your organization
- Draft a tailored letter of inquiry
- Find open RFPs from this funder
- Monitor for new funding opportunities