Es & MJ Mayer Foundation
Es & MJ Mayer Foundation is a private foundation, based in Hallowell, ME. IRS filing data is available from 2019 through 2025. As of 2025, the organization holds $6K in total assets. In 2025, it awarded 7 grants totaling $6K. Net investment income was $6K.
Es & MJ Mayer Foundation at a glance
In short: Es & MJ Mayer Foundation gave $6K across 7 grants in 2025 (avg $871.429), mostly in Massachusetts. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $6,100
- -11.8% vs 2024
- Grants made (2025)
- 7
- -30.0% vs 2024
- Average grant
- $871
- +26.0% vs 2024
- Median grant
- $200
- Total assets
- $6,091
- +11.0% vs 2024
- Primary geography
- Massachusetts (84% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated September 2026.
Who Es & MJ Mayer Foundation funds
How this funder distributes its grants
Top Recipients
Top 7 recipients in 2025
The largest 2025 recipient was The Common Foundation ($5K). Together the top 7 received $6K.
Grant Size Distribution
71 grants across all recorded years
The most common grant size was under $50K: 71 grants of 71 (100%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2025 grant dollars across all 7 itemized grants.
States
Cities
How Es & MJ Mayer Foundation gives
- Giving held roughly steady from 2022 to 2025 (−17%). Method
- In 2022 it paid out 240% of its IRS minimum distribution (the 5% rule). Method
From the foundation's IRS Form 990-PF filings. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2019 to 2025, annual grant giving ranged from $4K (2021) to $7K (2022). In 2025 it made 7 grants totaling $6K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| The Common Foundation Amherst, MA | Annual Support | $5,100 |
| Temple Beth El Augusta, ME | Annual Support | $200 |
| Friends of Lithgow Library Auburn, ME | Annual Support | $200 |
| Community of Literary Magazines Portland, ME | Annual Support | $200 |
| Good Shepherd Food Bank Auburn, ME | Annual Support | $200 |
| Kennebec Land Trust Portland, ME | Annual Support | $150 |
| Cancer Connection Northhampton, MA | Annual Support | $50 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Net Investment Income | Distributable Amount |
|---|---|---|---|---|---|---|---|---|
| 2025 | $6,091 | $7,154 | $6,551 | $6,100 | 7 | $6,100 | $6,077 | — |
| 2024 | $5,488 | $8,806 | $7,347 | $6,915 | 10 | $6,915 | $8,374 | — |
| 2023 | $4,029 | $3,452 | $5,635 | $4,605 | 26 | $4,920 | $2,737 | — |
| 2022 | $6,212 | $10,375 | $8,874 | $7,375 | 18 | $7,925 | $9,426 | $3,301 |
| 2021 | $4,812 | $981 | $5,253 | $3,500 | 10 | $4,045 | — | $3,593 |
| 2020 | $10,008 | $13,798 | $9,314 | $7,361 | 21 | — | $12,858 | $3,582 |
| 2019 | $4,799 | $8,174 | $9,116 | $7,034 | 19 | — | $7,214 | $4,075 |
Leadership & Key People
Officers and directors from IRS filings
Es & MJ Mayer Foundation is led by Barbara E. Mayer, President since 2022 (on filings since 2019); none of the 3 officers listed in 2025 report compensation.
Officers on the 2025 filing
Barbara E. Mayer
President
President & Secretary → President An, 2021
President An → President, 2022
On filings since 2019
0.5 hrs/week
No compensation reported
Christopher J. Mayer
Director
On filings since 2019
0.1 hrs/week
No compensation reported
Jennifer M. Acker
Treasurer
Vice President → Treasurer, 2022
On filings since 2019
0.1 hrs/week
No compensation reported
Former officers (1)
- Former: Charles W. Acker (2019–2021) — Treasurer
Data from IRS Form 990 filings, 2019–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Frequently asked questions about Es & MJ Mayer Foundation
How much does Es & MJ Mayer Foundation give each year?
Es & MJ Mayer Foundation gave $6K across 7 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $7K across 10 grants.
What is Es & MJ Mayer Foundation's typical grant size?
Es & MJ Mayer Foundation's median grant in 2025 was $200, and its average grant was $871, across 7 grants on its 2025 IRS Form 990-PF.
Where does Es & MJ Mayer Foundation give grants?
Es & MJ Mayer Foundation gives mostly in Massachusetts: 84% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest state was Maine (16%). The most frequent recipient cities were Auburn, ME (2 grants) and Portland, ME (2 grants).
Does Es & MJ Mayer Foundation give general operating support?
Not in 2025: none of the 7 grants with a stated purpose on Es & MJ Mayer Foundation's 2025 IRS Form 990-PF were described as general or operating support. Recurring purposes include "Annual Support" (7 grants).
Who are Es & MJ Mayer Foundation's largest grantees?
Es & MJ Mayer Foundation's largest 2025 grantees include The Common Foundation ($5,100), Temple Beth El ($200) and Friends of Lithgow Library ($200), according to its 2025 IRS Form 990-PF. Together they received 90% of its itemized 2025 grant dollars.
How large is Es & MJ Mayer Foundation?
Es & MJ Mayer Foundation reported $6K in total assets on its 2025 IRS Form 990-PF. Its revenue that year was $7K.
What is Es & MJ Mayer Foundation's EIN?
Es & MJ Mayer Foundation's EIN (Employer Identification Number) is 01-0367057. IRS Form 990 filing data is available on this page for 2019–2025.
Data last updated September 2026. Sourced from IRS Form 990-PF filings.
Data update history
(3)
When this profile's IRS filing data changed on Grantable
- Added Form 990-PF for fiscal year 2019 (received by the IRS July 9, 2020)
- Added Form 990-PF for fiscal year 2025 (received by the IRS August 19, 2026)
- IRS filings on file for fiscal years 2020–2024
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