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Nonprofit · EIN 51-0070531

ELEUTHERIAN MILLS-HAGLEY FOUNDATION INC

Also known as HAGLEY MUSEUM & LIBRARY

Tax-exempt · WILMINGTON, DE 19807

Financials

$9.6M$12.2M2023$13.8M$13M2024
Revenue Expenses · by fiscal year end
Financials of ELEUTHERIAN MILLS-HAGLEY FOUNDATION INC by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2024990$13,792,052$13,015,639$776,413$206,570,197$730,949$205,839,248
December 31, 2023990$9,614,886$12,201,266-$2,586,380$197,763,947$875,642$196,888,305
Financial details: 990 for the year ended December 31, 2024

Revenue

Contributions, gifts and grants
$3,981,282
of which government grants
$874,315
Membership dues
$138,480
Program service revenue
$333,806
Investment income
$9,081,335
Net rental income
$230,789
Net gain from sales of assets
$5,099,150
Net income from fundraising events
$37,947
Net income from sales of inventory
$62,761
Other revenue
$395,629

Expenses

Grants and similar amounts paid
$93,267
Compensation of officers, directors and key employees
$409,981
Other salaries and wages
$5,445,231
Salaries, compensation and benefits (total)
$7,736,831
Professional fundraising fees
$0
Legal fees
$18,690
Accounting fees
$61,250
Occupancy
$623,135
Depreciation
$1,325,817
Program services (functional)
$9,387,763
Management and general (functional)
$2,884,599
Fundraising (functional)
$743,277

Balance sheet and other

Total assets, start of year
$197,763,947
Total assets, end of year
$206,570,197
Total liabilities, end of year
$730,949
Net assets, end of year
$205,839,248
Land, buildings and equipment
$16,972,810
Publicly traded securities
$150,308,856
Net assets without donor restrictions
$158,551,184
Net assets with donor restrictions
$47,288,064
Gross unrelated business income
-$41,360
Gross receipts
$23,755,413
Employees
183
Volunteers
370
Year formed
1952
State of legal domicile
DE

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 for the year ended December 31, 2024, highest compensation first.

NameTitleHours / weekCompensationOther / benefits
Jill MackenzieExecutive Director
Officer
40$222,677$23,613
Erik RauDirector, Library Services
Highest-paid employee
40$154,302$18,980
Roger HorowitzCHBTS Director
Highest-paid employee
40$103,720$27,495
Michael AdamsDirector, Museum and Audience Engagement
Highest-paid employee
40$102,493$14,705
Jacob A JessupCFO; Asst Treasurer (from 7/2024)
Officer
40$78,274$3,463
Karen CroninCFO; Asst Treasurer (to 6/2024)
Officer
40$67,821$9,920
Victoria GonzalezAssistant Secretary (from 2/2024)
Officer
40$51,079$5,940
Marjorie P KellyAssistant Secretary (to 5/2024)
Officer
40$20,916$8,015
Henry B du Pont IVPresident
Trustee or director, Officer
3$0$0
Ann C RoseVice President
Trustee or director, Officer
1$0$0
Augustus I du PontTreasurer
Trustee or director, Officer
1$0$0
John S WellonsSecretary
Trustee or director, Officer
1$0$0
Blaine T PhillipsTrustee Emeritus
Trustee or director
1$0$0
Alexa A Dembek PhDTrustee
Trustee or director
1$0$0
Charles M Elson PhDTrustee
Trustee or director
1$0$0
7 more people on this return
NameTitleHours / weekCompensation
William J Farrell IITrustee
Trustee or director
1$0
Gregory FriedmanTrustee
Trustee or director
1$0
Margaret BW Graham PhDTrustee
Trustee or director
1$0
Kathleen Furey McDonoughTrustee
Trustee or director
1$0
M Gary TalleyTrustee
Trustee or director
1$0
Steven W Usselman PhDTrustee
Trustee or director
1$0
Keith M WalterTrustee
Trustee or director
1$0
990 for the year ended December 31, 2023: 20 people
NameTitleHours / weekCompensationOther / benefits
Jill MackenzieExecutive Director
Officer
40$207,861$17,746
Erik RauDirector, Library Services
Highest-paid employee
40$148,585$14,356
Karen CroninCFO; Assistant Treasurer
Officer
40$141,592$15,391
Roger HorowitzCHBTS Director
Highest-paid employee
40$100,873$16,130
Marjorie P KellyAssistant Secretary
Officer
40$56,876$11,494
Henry B du Pont IVPresident
Trustee or director, Officer
3$0$0
Ann C RoseVice President
Trustee or director, Officer
1$0$0
Augustus I du PontTreasurer
Trustee or director, Officer
1$0$0
John S WellonsSecretary
Trustee or director, Officer
1$0$0
Blaine T PhillipsTrustee Emeritus
Trustee or director
1$0$0
Edward J Bassett CFATrustee (until 03/2023)
Trustee or director
1$0$0
Alexa A Dembek PhDTrustee
Trustee or director
1$0$0
Charles M Elson PhDTrustee
Trustee or director
1$0$0
William J Farrell IITrustee
Trustee or director
1$0$0
Gregory FriedmanTrustee
Trustee or director
1$0$0
Margaret BW Graham PhDTrustee
Trustee or director
1$0$0
Kathleen Furey McDonoughTrustee
Trustee or director
1$0$0
M Gary TalleyTrustee
Trustee or director
1$0$0
Steven W Usselman PhDTrustee
Trustee or director
1$0$0
Keith M WalterTrustee (from 3/2023)
Trustee or director
1$0$0

Address and contacts

Address (IRS master file)
PO BOX 3630, WILMINGTON, DE 19807-0630
In care of
% HAGLEY MUSEUM & LIBRARY
Principal officer (990 for 2024)
Jill MacKenzie, PO Box 3630, Wilmington, DE 198070630
Signed the 990
Jacob A Jessup, Chief Financial Officer
Phone
(302) 658-2400
Return prepared by
Bonadio & Co LLP

Mission

Hagley Museum and Library seeks to inspire all people to be innovative in their own lives through investigation and exploration of our historical collections, the original DuPont powder yard, and online resources.

990 for the year ended December 31, 2024

Program accomplishments

  • Hagley Museum is located on 235 acres along the banks of the Brandywine River in Wilmington, Delaware. Hagley is the site of the gunpowder works founded by E. I. du Pont de Nemours in 1802. This example of early American industry includes restored mills, a workers' community, and the ancestral home and gardens of the du Pont family. Hagley exhibits objects and artifacts that interpret the unfolding history of American business, technology, and innovation, and its impact on the world.
    Expenses $5,007,477 · revenue $372,439
  • Hagley's Research Library supports research on the history of American business, commerce, consumption, technology, and design within their broad social, cultural, and political contexts. Each year hundreds of scholars come to the Library to do research using Hagley's materials and archives. In 1986, the Center for the History of Business, Technology, and Society was organized to administer Hagley's interactions with the world of scholarship.
    Expenses $4,380,286 · grants $93,267 · revenue $64,132

What it must file and when

IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in December, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025December 31, 2025May 15, 2026Not on file
2024December 31, 2024May 15, 2025990 on file
2023December 31, 2023May 15, 2024990 on file

IRS record

EIN
51-0070531
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (170(b)(1)(A)(vi))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
1953
Accounting year ends
December
Files
Form 990 or 990-EZ
Assets (IRS master file)
$206,570,197
Income (IRS master file)
$23,755,413

Filing history

FormYear endedRevenueExpensesAssetsReturn
990December 2024$13,792,052$13,015,639$206,570,197XML
990-TDecember 2024–––IRS
990December 2023$9,614,886$12,201,266$197,763,947XML
990-TDecember 2023–––IRS
990December 2022$13,816,332$12,146,682$181,925,945IRS
990-TDecember 2022–––IRS
990December 2021–––IRS
990-TDecember 2021–––IRS
990December 2020–––IRS
990-TDecember 2020–––IRS
990December 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 51-0070531).

Questions about ELEUTHERIAN MILLS-HAGLEY FOUNDATION INC

What is the EIN of ELEUTHERIAN MILLS-HAGLEY FOUNDATION INC?
The employer identification number (EIN) of ELEUTHERIAN MILLS-HAGLEY FOUNDATION INC is 51-0070531.
Is ELEUTHERIAN MILLS-HAGLEY FOUNDATION INC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1953.
Are donations to ELEUTHERIAN MILLS-HAGLEY FOUNDATION INC tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does ELEUTHERIAN MILLS-HAGLEY FOUNDATION INC file?
Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
When is the next return of ELEUTHERIAN MILLS-HAGLEY FOUNDATION INC 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 ELEUTHERIAN MILLS-HAGLEY FOUNDATION INC last file with the IRS?
The latest return in the IRS public files is the 990 for the year ended December 2024.
Who is the principal officer of ELEUTHERIAN MILLS-HAGLEY FOUNDATION INC?
The 990 for the year ended December 31, 2024 names Jill MacKenzie.
Who are the officers and directors of ELEUTHERIAN MILLS-HAGLEY FOUNDATION INC?
The 990 for the year ended December 31, 2024 lists 22 people; 8 received compensation from the organization, the highest $222,677 (Jill Mackenzie, Executive Director).
How much revenue does ELEUTHERIAN MILLS-HAGLEY FOUNDATION INC have?
On its 990 for the year ended December 31, 2024 it reported revenue of $13,792,052, expenses of $13,015,639 and total assets of $206,570,197 at year end.

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