Nonprofit · EIN 34-6523819
CYRIL F & MARIE E ONEIL FOUNDATION
Tax-exempt · NEW YORK, NY 10016
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-PF | $770,072 | $522,895 | $247,177 | $5,784,619 | $0 | $5,784,619 |
| December 31, 2024 | 990-PF | $541,520 | $529,418 | $12,102 | $5,537,442 | $0 | $5,537,442 |
| December 31, 2023 | 990-PF | $477,578 | $453,980 | $23,598 | $5,525,340 | $0 | $5,525,340 |
Financial details: 990-PF for the year ended December 31, 2025
Revenue
- Dividends
- $302,559
- Net gain from sales of assets
- $467,513
Expenses
- Grants and similar amounts paid
- $423,000
- Compensation of officers, directors and key employees
- $0
- Disbursements for charitable purposes
- $427,500
- Excise tax on investment income
- $9,696
Balance sheet and other
- Total assets, start of year
- $5,537,442
- Total assets, end of year
- $5,784,619
- Total liabilities, end of year
- $0
- Net assets, end of year
- $5,784,619
- Fair market value of assets
- $10,000,643
- Qualifying distributions
- $427,500
- Net investment income
- $770,072
From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.
Officers, directors and key employees
As listed on the 990-PF for the year ended December 31, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| MONICA O'NEIL 223 MARSH STREET, BELMONT, MA 02478 | DIRECTOR | 2 | $0 |
| ANNE O'NEIL 1 TOWN HOUSE ROAD, WESTON, MA 02493 | DIRECTOR | 2 | $0 |
| MARK O'NEIL 13609 SOVEREIGN COURT, RICHMOND, VA 23233 | DIRECTOR | 2 | $0 |
| KAREN O'NEIL 20 ROCK HILL WAY, BEDFORD, NY 10506 | DIRECTOR | 2 | $0 |
| MARIA O'NEIL 7700 SHERMAN ROAD, GATES MILLS, OH 44040 | DIRECTOR | 2 | $0 |
| STEPHEN O'NEIL 163 EAST 81ST STREET, NEW YORK, NY 10028 | DIRECTOR | 2 | $0 |
| PETER O'NEIL 1675 LARIMER STREET, DENVER, CO 80202 | DIRECTOR | 2 | $0 |
990-PF for the year ended December 31, 2024: 7 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| MONICA O'NEIL 223 MARSH STREET, BELMONT, MA 02478 | DIRECTOR | 2 | $0 |
| ANNE O'NEIL 1 TOWN HOUSE ROAD, WESTON, MA 02493 | DIRECTOR | 2 | $0 |
| MARK O'NEIL 13609 SOVEREIGN COURT, RICHMOND, VA 23233 | DIRECTOR | 2 | $0 |
| KAREN O'NEIL 20 ROCK HILL WAY, BEDFORD, NY 10506 | DIRECTOR | 2 | $0 |
| MARIA O'NEIL 7700 SHERMAN ROAD, GATES MILLS, OH 44040 | DIRECTOR | 2 | $0 |
| STEPHEN O'NEIL 163 EAST 81ST STREET, NEW YORK, NY 10028 | DIRECTOR | 2 | $0 |
| PETER O'NEIL 1675 LARIMER STREET, DENVER, CO 80202 | DIRECTOR | 2 | $0 |
990-PF for the year ended December 31, 2023: 7 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| MONICA O'NEIL 223 MARSH STREET, BELMONT, MA 02478 | DIRECTOR | 2 | $0 |
| ANNE O'NEIL 1 TOWN HOUSE ROAD, WESTON, MA 02493 | DIRECTOR | 2 | $0 |
| MARK O'NEIL 13609 SOVEREIGN COURT, RICHMOND, VA 23233 | DIRECTOR | 2 | $0 |
| KAREN O'NEIL 20 ROCK HILL WAY, BEDFORD, NY 10506 | DIRECTOR | 2 | $0 |
| MARIA O'NEIL 7700 SHERMAN ROAD, GATES MILLS, OH 44040 | DIRECTOR | 2 | $0 |
| STEPHEN O'NEIL 163 EAST 81ST STREET, NEW YORK, NY 10028 | DIRECTOR | 2 | $0 |
| PETER O'NEIL 1675 LARIMER STREET, DENVER, CO 80202 | DIRECTOR | 2 | $0 |
Address and contacts
- Address (IRS master file)
- CO SACKS 600 THIRD AVE 2604, NEW YORK, NY 10016-0000
- In care of
- % SACKS PRESS & LACHER
- Signed the 990-PF
- STEPHEN O'NEIL, DIRECTOR
- Phone
- (212) 682-6640
- Return prepared by
- SACKS PRESS & LACHER PC
What it must file and when
IRS records say it files Form 990-PF. Private foundations file every year. Its accounting year ends in December, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | December 31, 2025 | May 15, 2026 | 990-PF on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990-PF on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990-PF on file |
IRS record
- EIN
- 34-6523819
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Private non-operating foundation
- Donations deductible (Pub 78)
- Private foundation, 30% limit
- Exempt since
- 1960
- Accounting year ends
- December
- Files
- Form 990-PF
- Assets (IRS master file)
- $5,784,619
- Income (IRS master file)
- $1,204,592
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-PF | December 2025 | $770,072 | $522,895 | $5,784,619 | IRS |
| 990-PF | December 2024 | $541,520 | $529,418 | $5,537,442 | XML |
| 990-PF | December 2023 | $477,578 | $453,980 | $5,525,340 | XML |
| 990-PF | December 2022 | – | – | – | IRS |
| 990-PF | December 2021 | – | – | – | IRS |
| 990-PF | December 2020 | – | – | – | IRS |
| 990-PF | December 2018 | – | – | – | IRS |
990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 34-6523819).
Questions about CYRIL F & MARIE E ONEIL FOUNDATION
- What is the EIN of CYRIL F & MARIE E ONEIL FOUNDATION?
- The employer identification number (EIN) of CYRIL F & MARIE E ONEIL FOUNDATION is 34-6523819.
- Is CYRIL F & MARIE E ONEIL FOUNDATION tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1960.
- Are donations to CYRIL F & MARIE E ONEIL FOUNDATION tax-deductible?
- Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
- Which annual return does CYRIL F & MARIE E ONEIL FOUNDATION file?
- Form 990-PF. Private foundations file every year.
- When is the next return of CYRIL F & MARIE E ONEIL FOUNDATION due?
- The return for tax year 2026 (the year ending December 31, 2026) is due May 17, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did CYRIL F & MARIE E ONEIL FOUNDATION last file with the IRS?
- The latest return in the IRS public files is the 990-PF for the year ended December 2025.
- Who are the officers and directors of CYRIL F & MARIE E ONEIL FOUNDATION?
- The 990-PF for the year ended December 31, 2025 lists 7 people; 0 received compensation from the organization.
- How much revenue does CYRIL F & MARIE E ONEIL FOUNDATION have?
- On its 990-PF for the year ended December 31, 2025 it reported revenue of $770,072, expenses of $522,895 and total assets of $5,784,619 at year end.
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