M V Mayo Charitable Foundation
Invitation OnlyWashington, District of Columbia · EIN 73-1587573 · Private foundation
Half of its grants to organizations were between $5,000 and $65,000.
How to apply
On its return for tax year 2024 the foundation checked the box saying it only makes contributions to preselected charitable organizations and does not accept unsolicited requests for funds.
Where it gives
28% of grants went outside District of Columbia.
Grants paid in tax year 2024
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Christ Church Georgetown | Washington, DC | General support | $113,000 |
| Fund to Conserve | Washington, DC | General support | $65,000 |
| Washington National Cathedral | Washington, DC | General support | $25,000 |
| Sulgrave Club | Washington, DC | General support | $25,000 |
| Mount Vernon Ladies Association | Mount Vernon, VA | General support | $16,000 |
| Dacor Bacon Foundation | Washington, DC | General support | $5,000 |
| Race Fund | Harrisburg, PA | General support | $500 |
The return also lists 3 grants to individuals ($19,500). We do not publish the names of individual recipients.
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2024 | $269,000 | 10 |
| 2023 | $186,700 | 14 |
Sources
- IRS Form 990-PF, tax year 2024, filed Nov 14, 2025 - IRS e-file batch, object ID 202513189349101416
- IRS Tax Exempt Organization Search for EIN 73-1587573
- Profile updated Nov 6, 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.