MV Mayo Charitable Foundation

Private foundation · Grantmaker Washington, DC EIN: 73-1587573

MV Mayo Charitable Foundation is a private foundation based in Washington, DC. Its 2024 filing reports grants to 10 charitable organizations, with most grant dollars going to recipients in DC.

MV Mayo Charitable Foundation at a glance

In short: MV Mayo Charitable Foundation gave $269K across 10 grants in 2024 (avg $27K), mostly in District of Columbia. 20% of 2024 grantees were new. Source: 2024 IRS Form 990-PF.

Annual giving (2024)
$269,000
+44.1% vs 2023
Grants made (2024)
10
-28.6% vs 2023
Average grant
$26,900
+101.7% vs 2023
Median grant
$13,000
Total assets
$10,364,905
+8.6% vs 2023
New grantees (estimate)
20% first-time grantees (2 of 10, 2024; small sample)
Primary geography
District of Columbia (87% of itemized 2024 grant dollars)
Latest 990 filing
Form 990-PF, 2024 View filing

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

How to apply to MV Mayo Charitable Foundation

Accepts unsolicited proposals
No
How to Apply

The foundation does not accept unsolicited requests; it makes contributions only to preselected charitable organizations.

Contact

Mailing address: 2770 32Nd Street Northwest, Washington, DC 20008
Phone: (301) 840-3883

Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.

Who MV Mayo Charitable Foundation funds

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

Christ Church Georgetown: $113KChrist Church Georgetown$113KFund to Conserve: $65KFund to Conserve$65KWashington National Cathedral: $25KWashington National Cathedral$25KSulgrave Club: $25KSulgrave Club$25KMount Vernon Ladies Association: $16KMount Vernon LadiesAssociation$16KBobby Jones CSF: $10KBobby Jones CSF$10KCulver Academies: $8KCulver Academies$8KDacor Bacon Foundation: $5KDacor Bacon Foundation$5KThe Order of St John: $2KThe Order of St John$2KRace Fund: $500Race Fund$500

The largest 2024 recipient was Christ Church Georgetown ($113K). Together the top 10 received $269K.

Grant Size Distribution

58 grants across all recorded years

54<$50K2$50–100K2$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 54 grants of 58 (93%).

Geographic Focus

Where this funder awards grants

In 2024, 87% of grant dollars went to recipients in DC, 6% to Virginia, 4% to New York, 3% to Indiana, and less than 1% to Pennsylvania.

Grant Distribution by State

10states

Share of 2024 grant dollars across all 10 itemized grants.

Cities

WashingtonCulverStaten IslandTulsaBethesdaHoustonMount VernonAlexandriaArlingtonDunnHarrisburgRochesterSilver SpringStratford

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. With only 10 grantees, that is a small sample: one grantee more or less moves the share by about 10 points. 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.

Giving History

Giving Over Time

Total grant dollars and number of grants per year

$0$100K$200K$300K12 grants2020 11 grants2021 11 grants2022 14 grants2023 10 grants2024

From 2020 to 2024, annual grant giving ranged from $99K (2020) to $269K (2024). In 2024 it made 10 grants totaling $269K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Christ Church Georgetown Washington, DCGeneral Support$113,000
Fund to Conserve Washington, DCGeneral Support$65,000
Washington National Cathedral Washington, DCGeneral Support$25,000
Sulgrave Club Washington, DCGeneral Support$25,000
Mount Vernon Ladies Association Mount Vernon, VAGeneral Support$16,000
Bobby Jones CSF Staten Island, NYGeneral Support$10,000
Culver Academies Culver, INGeneral Support$7,500
Dacor Bacon Foundation Washington, DCGeneral Support$5,000
The Order of St John Washington, DCGeneral Support$2,000
Race Fund Harrisburg, PAGeneral Support$500
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Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsQualifying DistributionsNet Investment IncomeDistributable Amount
2024$10,364,905$1,289,167$514,333$269,00010$411,874$95,225$494,677
2023$9,540,771$1,541,200$306,705$186,70014$287,715$158,214$436,792
2022$8,302,286$-863,729$367,846$259,85511$350,436$129,301$449,289
2021$9,542,296$1,104,310$293,096$141,50011$267,651$1,078,865$439,161
2020$8,725,789$984,345$359,355$98,80012—$924,514$365,304

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.

Research compiled by Grantable AI from public sources. Last updated September 2026.

Grantmaking

In 2024, the foundation gave $269,000 through 10 grants. Grant amounts ranged from $500 to $113,000, with a median of $13,000. Its largest grants were $113,000 to Christ Church Georgetown and $65,000 to Fund to Conserve, both for general support. Other grants included $25,000 each to Washington National Cathedral and Sulgrave Club, and $16,000 to Mount Vernon Ladies Association.

Leadership & Key People

Leadership team and compensation from IRS filings

Marcia Mayo is listed as managing director on the 2024 filing.

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

Marcia Mayo — Managing DIR: $129KMarcia MayoManaging DIR$129K

The highest reported compensation on the 2024 filing was $129K, to Marcia Mayo (Managing DIR).

Frequently asked questions about MV Mayo Charitable Foundation

How much does MV Mayo Charitable Foundation give each year?

MV Mayo Charitable Foundation gave $269K across 10 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $187K across 14 grants.

What is MV Mayo Charitable Foundation's typical grant size?

MV Mayo Charitable Foundation's median grant in 2024 was $13,000, and its average grant was $26,900, across 10 grants on its 2024 IRS Form 990-PF. Organizations receiving their first grant from MV Mayo Charitable Foundation that year got $13K on average.

Where does MV Mayo Charitable Foundation give grants?

MV Mayo Charitable Foundation gives mostly in District of Columbia: 87% of the grant dollars itemized on its 2024 IRS Form 990-PF went to recipients there. The next largest state was Virginia (6%). The most frequent recipient cities were Washington, DC (6 grants).

Does MV Mayo Charitable Foundation give general operating support?

Yes: 100% of MV Mayo Charitable Foundation's 2024 grants with a stated purpose (10 of 10) were for general or operating support, per its 2024 IRS Form 990-PF.

Who are MV Mayo Charitable Foundation's largest grantees?

MV Mayo Charitable Foundation's largest 2024 grantees include Christ Church Georgetown ($113,000), Fund to Conserve ($65,000) and Washington National Cathedral ($25,000), according to its 2024 IRS Form 990-PF. Together they received 75% of its itemized 2024 grant dollars.

How large is MV Mayo Charitable Foundation?

MV Mayo Charitable Foundation reported $10.4M in total assets on its 2024 IRS Form 990-PF. It paid out $412K in qualifying distributions that year, against a required minimum of $495K (roughly 5% of its investment assets). Falling short in one year is not a violation: foundations have until the end of the next year to meet the minimum.

How do I apply for a grant from MV Mayo Charitable Foundation?

The foundation does not accept unsolicited requests; it makes contributions only to preselected charitable organizations. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑

What is MV Mayo Charitable Foundation's EIN?

MV Mayo Charitable Foundation's EIN (Employer Identification Number) is 73-1587573. IRS Form 990 filing data is available on this page for 2020–2024.

Does MV Mayo Charitable Foundation accept unsolicited proposals?

No, according to Grantable's research on the foundation's published guidelines. See how to apply ↑

Data last updated October 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.

Data update history

(1)

When this profile's IRS filing data changed on Grantable

  1. IRS filings on file for fiscal years 2020–2024

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Cite this profile

Grantable. (2026). MV Mayo Charitable Foundation funder profile. GrantGraph. Retrieved October 17, 2026, from https://grantable.co/funders/mv-mayo-charitable-foundation-morg_d1ac7d04a03a4fe2bc785dc0e0906805

BibTeX
@misc{grantable_731587573_2026,
  author       = {{Grantable}},
  title        = {{MV Mayo Charitable Foundation funder profile}},
  howpublished = {GrantGraph},
  year         = {2026},
  url          = {https://grantable.co/funders/mv-mayo-charitable-foundation-morg_d1ac7d04a03a4fe2bc785dc0e0906805},
  note         = {Accessed 2026-10-17. Data licensed CC BY 4.0}
}

The figures on this page are open data under CC BY 4.0: reuse them with credit to Grantable and a link. Download the data.

Figures come from MV Mayo Charitable Foundation's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.

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