Nonprofit · EIN 13-6068883
MARY DUKE BIDDLE FOUNDATION
Tax-exempt · DURHAM, NC 27701
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2024 | 990-PF | $3,840,733 | $3,211,057 | $629,676 | $43,028,444 | $0 | $43,028,444 |
| December 31, 2023 | 990-PF | $1,918,788 | $2,960,771 | -$1,041,983 | $40,889,071 | $499 | $40,888,572 |
Financial details: 990-PF for the year ended December 31, 2024
Revenue
- Dividends
- $529,833
- Interest
- $426,994
- Net gain from sales of assets
- $1,553,849
- Other income
- $1,330,057
Expenses
- Grants and similar amounts paid
- $1,499,995
- Compensation of officers, directors and key employees
- $249,420
- Salaries, compensation and benefits (total)
- $120,086
- Disbursements for charitable purposes
- $1,999,979
- Excise tax on investment income
- $35,871
Balance sheet and other
- Total assets, start of year
- $40,889,071
- Total assets, end of year
- $43,028,444
- Total liabilities, end of year
- $0
- Net assets, end of year
- $43,028,444
- Fair market value of assets
- $43,028,444
- Qualifying distributions
- $1,999,979
- Net investment income
- $3,686,773
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, 2024, highest compensation first.
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| MARGARET MIMI O'BRIEN 318 BLACKWELL STREET SUITE 130, DURHAM, NC 27701 | EXECUTIVE DIRECTOR | 40 | $204,592 | $6,328 |
| KATHLEEN COLLIER 318 BLACKWELL ST, DURHAM, NC 27701 | PROGRAM ASSOCIATE Highest-paid employee | 40 | $78,175 | $2,400 |
| DR YOMI ADIGUN 125 GLEN HAVEN DRIVE, CHAPEL HILL, NC 27516 | TREASURER | 5 | $6,000 | $0 |
| GEORGE BIDDLE 131 E 59TH STREET, NEW YORK, NY 10128 | TRUSTEE | 5 | $6,000 | $0 |
| C RUSSELL BRYAN 2139 NORTON ROAD, CHARLOTTE, NC 28207 | VICE CHAIR | 5 | $6,000 | $0 |
| DR JACKIE LOONEY 304 ALUMNI AVENUE, DURHAM, NC 27713 | TRUSTEE | 5 | $6,000 | $0 |
| JOE LUCAS 6815 SARDIS ROAD, CHARLOTTE, NC 28270 | TRUSTEE | 5 | $6,000 | $0 |
| LOIS DELOATCH 3610 MEDFORD ROAD, DURHAM, NC 27705 | MDBF ALLOCATIONS COMMITTEE | 5 | $3,500 | $0 |
| N ALLISON HALTOM 3807 WESTCHESTER ROAD, DURHAM, NC 27707 | MDBF ALLOCATIONS COMMITTEE | 5 | $3,500 | $0 |
| BEN JONES 4450 BOW MAR DRIVE, BOW MAR, CO 80123 | CHAIR | 5 | $1,500 | $0 |
| E'VONNE COLEMAN-COOK 10 LAKEMONT CIRCLE, DURHAM, NC 27703 | TRUSTEE | 5 | $0 | $0 |
990-PF for the year ended December 31, 2023: 9 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| MARGARET MIMI O'BRIEN 318 BLACKWELL STREET SUITE 130, DURHAM, NC 27701 | EXECUTIVE DIRECTOR | 40 | $200,883 | $6,027 |
| KATHY HARRISON 318 BLACKWELL ST, DURHAM, NC 27701 | EXECUTIVE ASSISTANT Highest-paid employee | 32 | $70,772 | $2,060 |
| DR YOMI ADIGUN 125 GLEN HAVEN DRIVE, CHAPEL HILL, NC 27516 | TREASURER | 5 | $6,000 | $0 |
| GEORGE BIDDLE 131 E 59TH STREET, NEW YORK, NY 10128 | TRUSTEE | 5 | $6,000 | $0 |
| C RUSSELL BRYAN 2139 NORTON ROAD, CHARLOTTE, NC 28207 | VICE CHAIR | 5 | $6,000 | $0 |
| LOIS DELOATCH 3610 MEDFORD ROAD, DURHAM, NC 27705 | TRUSTEE | 5 | $6,000 | $0 |
| N ALLISON HALTOM 3807 WESTCHESTER ROAD, DURHAM, NC 27707 | SECRETARY | 5 | $6,000 | $0 |
| JOE LUCAS 6815 SARDIS ROAD, CHARLOTTE, NC 28270 | TRUSTEE | 5 | $6,000 | $0 |
| BEN JONES 4450 BOW MAR DRIVE, BOW MAR, CO 80123 | CHAIR | 5 | $4,500 | $0 |
Address and contacts
- Address (IRS master file)
- 318 BLACKWELL STREET, DURHAM, NC 27701-2883
- Signed the 990-PF
- MIMI O'BRIEN, EXECUTIVE DIRECTOR
- Phone
- (919) 493-5591
- Website
- MDBF.ORG
- Return prepared by
- BLACKMAN & SLOOP ADVISORS INC
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 | Not 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
- 13-6068883
- 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
- 1958
- Accounting year ends
- December
- Files
- Form 990-PF
- Assets (IRS master file)
- $43,028,444
- Income (IRS master file)
- $3,841,392
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-PF | December 2024 | $3,840,733 | $3,211,057 | $43,028,444 | XML |
| 990-T | December 2024 | – | – | – | IRS |
| 990-PF | December 2023 | $1,918,788 | $2,960,771 | $40,889,071 | XML |
| 990-T | December 2023 | – | – | – | IRS |
| 990-PF | December 2022 | – | – | – | IRS |
| 990-T | December 2022 | – | – | – | IRS |
| 990-PF | December 2021 | – | – | – | IRS |
| 990-T | December 2021 | – | – | – | IRS |
| 990-PF | December 2020 | – | – | – | IRS |
| 990-T | 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 13-6068883).
Questions about MARY DUKE BIDDLE FOUNDATION
- What is the EIN of MARY DUKE BIDDLE FOUNDATION?
- The employer identification number (EIN) of MARY DUKE BIDDLE FOUNDATION is 13-6068883.
- Is MARY DUKE BIDDLE FOUNDATION tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1958.
- Are donations to MARY DUKE BIDDLE FOUNDATION tax-deductible?
- Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
- Which annual return does MARY DUKE BIDDLE FOUNDATION file?
- Form 990-PF. Private foundations file every year.
- When is the next return of MARY DUKE BIDDLE FOUNDATION due?
- The return for tax year 2025 (the year ending December 31, 2025) is due May 15, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did MARY DUKE BIDDLE FOUNDATION last file with the IRS?
- The latest return in the IRS public files is the 990-PF for the year ended December 2024.
- Who are the officers and directors of MARY DUKE BIDDLE FOUNDATION?
- The 990-PF for the year ended December 31, 2024 lists 11 people; 10 received compensation from the organization, the highest $204,592 (MARGARET MIMI O'BRIEN, EXECUTIVE DIRECTOR).
- How much revenue does MARY DUKE BIDDLE FOUNDATION have?
- On its 990-PF for the year ended December 31, 2024 it reported revenue of $3,840,733, expenses of $3,211,057 and total assets of $43,028,444 at year end.
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