MV Mayo Charitable Foundation

Foundation · Grantmaker Washington, DC EIN: 73-1587573

MV Mayo Charitable Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in Washington, DC. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $10.4M in total assets. In 2024, it awarded 10 grants totaling $269K. Net investment income was $95K.

Key facts about MV Mayo Charitable Foundation

EIN: 73-1587573
Latest 990 filing: Form 990-PF, 2024
Annual giving (2024): $269,000
Grants made (2024): 10
Average grant: $26,900
Median grant: $13,000
New grantees (estimate): 20% first-time grantees (2 of 10, 2024)
Total assets: $10,364,905
Primary geography: District of Columbia (87% of itemized 2024 grant dollars)

Data from IRS Form 990-PF, 2024; updated September 2026. New grantees are estimated by matching recipient names across years (methodology).

Who MV Mayo Charitable Foundation funds

By grant dollars, the top recipient states for MV Mayo Charitable Foundation's 10 itemized 2024 grants were District of Columbia (87%) and Virginia (6%). The most frequent recipient cities were Washington, DC (6 grants). 100% of grants with a stated purpose were for general or operating support.

Is MV Mayo Charitable Foundation open to new grantees?

20%

first-time grantees, 2024

In 2024, 2 of 10 grantees (20%) were first-time recipients. First grants averaged $13K; repeat grants $30K. How we count

Medians: $13K first-time, $13K repeat.

80% of 2024 grantees were also funded in 2023. Method
Giving grew 90% from 2021 to 2024. Method
In 2024 it paid out 83% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. Method

Estimate from itemized grant lists in IRS Form 990-PF filings (2020–2024). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.

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Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

$10.4M

+8.6% YoY

Annual Giving

$269K

+44.1% YoY

Grant Count

-28.6% YoY

Avg Grant Size

$27K

+101.7% YoY

Under IRS private-foundation payout rules, MV Mayo Charitable Foundation reported a distributable amount of $495K for 2024 — the minimum it must pay out in qualifying distributions.

About MV Mayo Charitable Foundation

Based on IRS filings

Focus Areas

Philanthropy, Voluntarism & Grantmaking

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Geographic Focus

Where this funder awards grants

Grant Distribution by State

District of Columbia $235K (87%)

Virginia $16K (6%)

New York $10K (4%)

Indiana $8K (3%)

Pennsylvania $500 (0%)

Share of all 10 itemized 2024 grant dollars.

States

District of Columbia Indiana Maryland Minnesota North Carolina New York Oklahoma Pennsylvania Texas Virginia

Cities

WashingtonCulverStaten IslandTulsaBethesdaHoustonMount VernonAlexandriaArlingtonDunnHarrisburgRochesterSilver SpringStratford

Financial History

Multi-year comparison from IRS filings

Revenue

Expenses

Qualifying Distributions

Net Investment Income

Metric	2024	2023	2022
Total Assets	$10,364,905	$9,540,771	$8,302,286
Revenue	$1,289,167	$1,541,200	$-863,729
Expenses	$514,333	$306,705	$367,846
Qualifying Distributions	$411,874	$287,715	$350,436
Net Investment Income	$95,225	$158,214	$129,301
Distributable Amount	$494,677	$436,792	$449,289

Data update history

When this profile's IRS filing data changed on Grantable

March 2, 2026 IRS filings on file for fiscal years 2020–2024

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 2024

Grant Size Distribution

58 grants across all recorded years

Giving History

Grant recipients and amounts by year

Among its reported 2024 grants, the largest recipients include Christ Church Georgetown ($113,000), Fund to Conserve ($65,000), Washington National Cathedral ($25,000).

Recipient	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
BOBBY JONES CSF Staten Island, NY	GENERAL SUPPORT	$10,000
CULVER ACADEMIES Culver, IN	GENERAL SUPPORT	$7,500
DACOR BACON FOUNDATION Washington, DC	GENERAL SUPPORT	$5,000
THE ORDER OF ST JOHN Washington, DC	GENERAL SUPPORT	$2,000
RACE FUND Harrisburg, PA	GENERAL SUPPORT	$500

Leadership & Key People

Officers and directors from IRS filings

MV Mayo Charitable Foundation is led by Marcia Mayo, Managing Director on every filing since 2020 — the only officer listed, and compensated.

Officers on the 2024 filing

Marcia Mayo

Managing Director

On filings since 2020

40 hrs/week

$132K (2020) → $129K (2024)

Data from IRS Form 990 filings, 2020–2024. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.

Compensation Overview

From 2024 IRS filing

Subject Areas

Focus areas based on grantmaking activity

Philanthropy, Voluntarism & Grantmaking

Frequently Asked Questions

What is MV Mayo Charitable Foundation?

MV Mayo Charitable Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in Washington, DC. It holds $10.4M in total assets as of 2024.

How large is MV Mayo Charitable Foundation?

As of 2024, MV Mayo Charitable Foundation holds $10.4M in total assets with $1.3M in annual revenue. It awarded 10 grants totaling $269K in 2024.

Where does MV Mayo Charitable Foundation operate?

MV Mayo Charitable Foundation has awarded grants in District of Columbia, Indiana, Maryland, Minnesota, North Carolina, New York, Oklahoma, Pennsylvania, Texas, Virginia.

What size grants does MV Mayo Charitable Foundation award?

In 2024, MV Mayo Charitable Foundation awarded 10 grants totaling $269K — an average of about $27K per grant, based on its IRS Form 990 filings.

How much is MV Mayo Charitable Foundation required to give away each year?

Private foundations must generally distribute about 5% of their assets annually. For 2024, MV Mayo Charitable Foundation reported a distributable amount of $495K on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.