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Nonprofit · EIN 52-0403670

MARYLAND HISTORICAL SOCIETY

Tax-exempt · BALTIMORE, MD 21201

Financials

$8.2M$5.5M2021$4.8M$5.7M2022$5.1M$5.6M2023$10.6M$5.6M2024
Revenue Expenses · by fiscal year end
Financials of MARYLAND HISTORICAL SOCIETY by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
June 30, 2025990$10,576,625$5,648,305$4,928,320$46,858,092$563,195$46,294,897
June 30, 2024990$5,060,115$5,553,827-$493,712$41,805,321$451,173$41,354,148
June 30, 2023990$4,771,012$5,702,445-$931,433$40,635,016$636,099$39,998,917
June 30, 2022990$8,231,801$5,521,920$2,709,881$38,986,676$649,825$38,336,851
Financial details: 990 for the year ended June 30, 2025

Revenue

Contributions, gifts and grants
$6,937,418
of which government grants
$3,517,726
Membership dues
$512,880
Program service revenue
$87,865
Investment income
$3,526,393
Royalties
$153
Net rental income
$26,993
Net gain from sales of assets
$2,472,234
Net income from sales of inventory
-$2,197
Other revenue
$24,949

Expenses

Grants and similar amounts paid
$600
Compensation of officers, directors and key employees
$270,089
Other salaries and wages
$1,897,813
Salaries, compensation and benefits (total)
$2,588,899
Professional fundraising fees
$0
Accounting fees
$141,314
Occupancy
$477,413
Travel
$17,041
Depreciation
$602,421
Program services (functional)
$3,927,533
Management and general (functional)
$1,200,025
Fundraising (functional)
$520,747

Balance sheet and other

Total assets, start of year
$41,805,321
Total assets, end of year
$46,858,092
Total liabilities, end of year
$563,195
Net assets, end of year
$46,294,897
Land, buildings and equipment
$15,172,632
Publicly traded securities
$31,014,688
Net assets without donor restrictions
$21,978,439
Net assets with donor restrictions
$24,316,458
Gross unrelated business income
-$549
Gross receipts
$18,803,490
Employees
42
Volunteers
0
Year formed
1944
State of legal domicile
MD

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 June 30, 2025, highest compensation first.

NameTitleHours / weekCompensationOther / benefits
KATIE CALJEANPRESIDENT & CEO
Officer
35$141,400$7,367
KEVIN RIDGELYCFO
Officer
28$128,689$191
CLINTON R DALYTRUSTEE
Trustee or director, Officer
1$0$0
ANDREW M BROOKSVICE CHAIR
Trustee or director, Officer
1$0$0
THOMAS BRANDTTREASURER
Trustee or director, Officer
1$0$0
JOHN BANESCHAIR
Trustee or director, Officer
1$0$0
ELEANOR M CAREYFIRST VICE CHAIR
Trustee or director, Officer
1$0$0
WANDA KEYES HEARDSECRETARY
Trustee or director, Officer
1$0$0
RICHARD BELLTRUSTEE
Trustee or director
1$0$0
MARY BETH LENNONTRUSTEE
Trustee or director
1$0$0
MAYA DAVISTRUSTEE
Trustee or director
1$0$0
NEAL NAFFTRUSTEE
Trustee or director
1$0$0
PAM MALESTERTRUSTEE
Trustee or director
1$0$0
RYAN YUTRUSTEE
Trustee or director
1$0$0
ROBERT HOPKINSTRUSTEE
Trustee or director
1$0$0
19 more people on this return
NameTitleHours / weekCompensation
ROBERT W SCHOEBERLEINTRUSTEE
Trustee or director
1$0
LYNN SPRINGER ROBERTSVICE CHAIR
Trustee or director
1$0
STILES TUTTLE COLWILLVICE CHAIR
Trustee or director
1$0
TYLER A TATETRUSTEE
Trustee or director
1$0
MARCUS NICKSTRUSTEE
Trustee or director
1$0
KATHERINE PINKARDTRUSTEE
Trustee or director
1$0
WILLIAM JACKSON COOKTRUSTEE
Trustee or director
1$0
KEIFFER MITCHELL JRTRUSTEE
Trustee or director
1$0
KEVIN MCALLISTERTRUSTEE
Trustee or director
1$0
ANGEL GONZALEZ-SANFELIUTRUSTEE
Trustee or director
1$0
C JOHN SULLIVANTRUSTEE
Trustee or director
1$0
CHARLES W MITCHELLTRUSTEE
Trustee or director
1$0
CHRISTOPHER J LOGSDONTRUSTEE
Trustee or director
1$0
DAVID TAFT TERRYTRUSTEE
Trustee or director
1$0
WILLIAM M GORETRUSTEE
Trustee or director
1$0
FREDRICK C LEINERTRUSTEE
Trustee or director
1$0
HENRY HOPKINSTRUSTEE
Trustee or director
1$0
DIANE HUTCHINSTRUSTEE
Trustee or director
1$0
ADAM GOODHEARTTRUSTEE
Trustee or director
1$0
990 for the year ended June 30, 2024: 37 people
NameTitleHours / weekCompensationOther / benefits
KATIE CALJEANPRESIDENT & CEO
Officer
35$132,500$5,233
KEVIN RIDGELYCFO
Officer
28$126,250$230
WANDA KEYES HEARDSECRETARY
Trustee or director, Officer
1$0$0
THOMAS BRANDTTREASURER
Trustee or director, Officer
1$0$0
CLINTON R DALYTRUSTEE
Trustee or director, Officer
1$0$0
JOHN BANESCHAIR
Trustee or director, Officer
1$0$0
ANDREW M BROOKSVICE CHAIR
Trustee or director, Officer
1$0$0
ELEANOR M CAREYFIRST VICE CHAIR
Trustee or director, Officer
1$0$0
M WILLIS MACGILLVICE CHAIR
Trustee or director, Officer
1$0$0
ANGEL GONZALEZ-SANFELIUTRUSTEE
Trustee or director
1$0$0
C JOHN SULLIVANTRUSTEE
Trustee or director
1$0$0
CHARLES W MITCHELLTRUSTEE
Trustee or director
1$0$0
CHRISTOPHER J LOGSDONTRUSTEE
Trustee or director
1$0$0
DAVID TAFT TERRYTRUSTEE
Trustee or director
1$0$0
DIANE HUTCHINSTRUSTEE
Trustee or director
1$0$0
FREDRICK C LEINERTRUSTEE
Trustee or director
1$0$0
HENRY HOPKINSTRUSTEE
Trustee or director
1$0$0
JULIA MADDENTRUSTEE
Trustee or director
1$0$0
KATHERINE PINKARDTRUSTEE
Trustee or director
1$0$0
LYNN SPRINGER ROBERTSVICE CHAIR
Trustee or director
1$0$0
MARY TYDING SMITHTRUSTEE
Trustee or director
1$0$0
MAYA DAVISTRUSTEE
Trustee or director
1$0$0
NEAL NAFFTRUSTEE
Trustee or director
1$0$0
RICHARD BELLTRUSTEE
Trustee or director
1$0$0
ROBERT HOPKINSTRUSTEE
Trustee or director
1$0$0
ROBERT W SCHOEBERLEINTRUSTEE
Trustee or director
1$0$0
RYAN YUTRUSTEE
Trustee or director
1$0$0
STILES TUTTLE COLWILLVICE CHAIR
Trustee or director
1$0$0
TYLER A TATETRUSTEE
Trustee or director
1$0$0
THOMAS H MADDUX IVTRUSTEE
Trustee or director
1$0$0
WILLIAM JACKSON COOKTRUSTEE
Trustee or director
1$0$0
WILLIAM M GORETRUSTEE
Trustee or director
1$0$0
ADAM GOODHEARTTRUSTEE
Trustee or director
1$0$0
PAM MALESTERTRUSTEE
Trustee or director
1$0$0
KEVIN MCALLISTERTRUSTEE
Trustee or director
1$0$0
KEIFFER MITCHELL JRTRUSTEE
Trustee or director
1$0$0
MARCUS NICKSTRUSTEE
Trustee or director
1$0$0
990 for the year ended June 30, 2023: 34 people
NameTitleHours / weekCompensationOther / benefits
MARK LETZERPRES & CFO THROUGH 9/30/22
Officer
35$144,563$3,046
KATIE CALJEANPRESIDENT & CEO
Officer
35$99,299$5,233
KEVIN RIDGELYCFO
Officer
28$57,692$100
WANDA KEYES HEARDSECRETARY
Trustee or director, Officer
1$0$0
THOMAS BRANDTTREASURER
Trustee or director, Officer
1$0$0
CLINTON R DALYCHAIR
Trustee or director, Officer
1$0$0
JOHN BANESFIRST VICE CHAIR
Trustee or director, Officer
1$0$0
ANDREW M BROOKSVICE CHAIR
Trustee or director, Officer
1$0$0
ELEANOR M CAREYVICE CHAIR
Trustee or director, Officer
1$0$0
ELINOR SHRIVER MAGEEVICE CHAIR
Trustee or director, Officer
1$0$0
M WILLIS MACGILLVICE CHAIR
Trustee or director, Officer
1$0$0
ANGEL GONZALEZ-SANFELIUTRUSTEE
Trustee or director
1$0$0
C JOHN SULLIVANTRUSTEE
Trustee or director
1$0$0
CHARLES W MITCHELLTRUSTEE
Trustee or director
1$0$0
CHRISTOPHER J LOGSDONTRUSTEE
Trustee or director
1$0$0
DAVID TAFT TERRYTRUSTEE
Trustee or director
1$0$0
DIANE HUTCHINSTRUSTEE
Trustee or director
1$0$0
FREDRICK C LEINERTRUSTEE
Trustee or director
1$0$0
HENRIETTE TAYLORTRUSTEE
Trustee or director
1$0$0
HENRY HOPKINSTRUSTEE
Trustee or director
1$0$0
JULIA MADDENTRUSTEE
Trustee or director
1$0$0
KATHERINE PINKARDTRUSTEE
Trustee or director
1$0$0
MARY TYDING SMITHTRUSTEE
Trustee or director
1$0$0
MAYA DAVISTRUSTEE
Trustee or director
1$0$0
NEAL NAFFTRUSTEE
Trustee or director
1$0$0
RICHARD BELLTRUSTEE
Trustee or director
1$0$0
ROBERT HOPKINSTRUSTEE
Trustee or director
1$0$0
ROBERT W SCHOEBERLEINTRUSTEE
Trustee or director
1$0$0
RYAN YUTRUSTEE
Trustee or director
1$0$0
STILES TUTTLE COLWILLTRUSTEE
Trustee or director
1$0$0
TYLER A TATETRUSTEE
Trustee or director
1$0$0
THOMAS H MADDUX IVTRUSTEE
Trustee or director
1$0$0
WILLIAM COOKTRUSTEE
Trustee or director
1$0$0
WILLIAM M GORETRUSTEE
Trustee or director
1$0$0
990 for the year ended June 30, 2022: 31 people
NameTitleHours / weekCompensationOther / benefits
MARK B LETZERPRESIDENT & CEO
Officer
35$137,360$8,209
TOM WELLIVERCFO
Officer
21$112,529$0
CLINTON R DALYCHAIR
Trustee or director, Officer
1$0$0
JOHN BANESFIRST VICE CHAIR
Trustee or director, Officer
1$0$0
ROBERT HOPKINSTREASURER
Trustee or director, Officer
1$0$0
LYNN SPRINGER ROBERTSSECRETARY
Trustee or director, Officer
1$0$0
ANDREW M BROOKSVICE CHAIR
Trustee or director, Officer
1$0$0
ELEANOR M CAREYVICE CHAIR
Trustee or director, Officer
1$0$0
M WILLIS MACGILLVICE CHAIR
Trustee or director, Officer
1$0$0
RICHARD BELLTRUSTEE
Trustee or director
1$0$0
THOMAS BRANDTTRUSTEE
Trustee or director
1$0$0
WILLIAM COOKTRUSTEE
Trustee or director
1$0$0
CHANDLER B DENNISONTRUSTEE
Trustee or director
1$0$0
WILLIAM M GORETRUSTEE
Trustee or director
1$0$0
WANDA KEYES HEARDTRUSTEE
Trustee or director
1$0$0
HENRY HOPKINSTRUSTEE
Trustee or director
1$0$0
FREDRICK C LEINERTRUSTEE
Trustee or director
1$0$0
JULIA MADDENTRUSTEE
Trustee or director
1$0$0
NEAL NAFFTRUSTEE
Trustee or director
1$0$0
ROBERT W SCHOEBERLEINTRUSTEE
Trustee or director
1$0$0
C JOHN SULLIVANTRUSTEE
Trustee or director
1$0$0
RYAN YUTRUSTEE
Trustee or director
1$0$0
ELINOR SHRIVER MAGEEVICE CHAIR
Trustee or director, Officer
1$0$0
THOMAS H MADDUX IVTRUSTEE
Trustee or director
1$0$0
CHARLES W MITCHELLTRUSTEE
Trustee or director
1$0$0
KATHERINE PINKARDTRUSTEE
Trustee or director
0$0$0
MARY TYDING SMITHTRUSTEE
Trustee or director
0$0$0
TYLER A TATETRUSTEE
Trustee or director
0$0$0
HENRIETTE TAYLORTRUSTEE
Trustee or director
0$0$0
DAVID TAFT TERRYTRUSTEE
Trustee or director
0$0$0
WILLIAM C WHITRIDGE JRTRUSTEE
Trustee or director
0$0$0

Address and contacts

Address (IRS master file)
201 W MONUMENT ST, BALTIMORE, MD 21201-4601
In care of
% BUNKY MARKERT / YULIN
Principal officer (990 for 2024)
KEVIN RIDGELY, 610 PARK AVENUE, BALTIMORE, MD 21201
Signed the 990
KEVIN RIDGELY, CFO
Phone
(410) 685-3750
Return prepared by
ELLIN & TUCKER CHARTERED

Mission

THE MARYLAND HISTORICAL SOCIETY SERVES THE PEOPLE OF MARYLAND, AND THOSE INTERESTED IN MARYLAND HISTORY, THROUGH STEWARDSHIP OF COMPREHENSIVE LIBRARY AND MUSEUM COLLECTIONS THAT ARE CENTRAL TO THE STATE'S HISTORY BUT PROMOTING SCHOLARSHIP THROUGH PUBLICATIONS AND BY PROVIDING EDUCATIONAL SERVICES AT ITS OWN CAMPUS AND THROUGHOUT THE STATE.

990 for the year ended June 30, 2025

Program accomplishments

  • GALLERY AND MUSEUM - DISPLAYS AND TOURS WHICH HELP TO EDUCATE THE GENERAL PUBLIC ON CERTAIN HISTORICAL ARTIFACTS AND EVENTS AS THEY RELATE TO MARYLAND HISTORY.
    Expenses $2,619,674 · grants $600 · revenue $114,858
  • EDUCATION - EXPENDITURES FOR TOUR GUIDES, OUTREACH PROGRAMS, AND LECTURES WHICH PROMOTE EDUCATION OF MARYLAND HISTORY.
    Expenses $692,274
  • LIBRARY - BOOKS, PERIODICALS, PRINTS AND PHOTOGRAPHS WHICH HELP TO EDUCATE THE GENERAL PUBLIC ABOUT MARYLAND HISTORY
    Expenses $615,585

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 June, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025June 30, 2026November 16, 2026Not due yet
2024June 30, 2025November 17, 2025990 on file
2023June 30, 2024November 15, 2024990 on file

IRS record

EIN
52-0403670
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
1926
Accounting year ends
June
Files
Form 990 or 990-EZ
Assets (IRS master file)
$46,858,092
Income (IRS master file)
$18,803,490

Filing history

FormYear endedRevenueExpensesAssetsReturn
990June 2025$10,576,625$5,648,305$46,858,092IRS
990-TJune 2025–––IRS
990June 2024$5,060,115$5,553,827$41,805,321IRS
990-TJune 2024–––IRS
990June 2023$4,771,012$5,702,445$40,635,016XML
990-TJune 2023–––IRS
990June 2022$8,231,801$5,521,920$38,986,676XML
990-TJune 2022–––IRS
990June 2021–––IRS
990-TJune 2021–––IRS
990June 2020–––IRS
990June 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 52-0403670).

Questions about MARYLAND HISTORICAL SOCIETY

What is the EIN of MARYLAND HISTORICAL SOCIETY?
The employer identification number (EIN) of MARYLAND HISTORICAL SOCIETY is 52-0403670.
Is MARYLAND HISTORICAL SOCIETY tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1926.
Are donations to MARYLAND HISTORICAL SOCIETY tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does MARYLAND HISTORICAL SOCIETY 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 MARYLAND HISTORICAL SOCIETY due?
The return for tax year 2025 (the year ending June 30, 2026) is due November 16, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
When did MARYLAND HISTORICAL SOCIETY last file with the IRS?
The latest return in the IRS public files is the 990 for the year ended June 2025.
Who is the principal officer of MARYLAND HISTORICAL SOCIETY?
The 990 for the year ended June 30, 2025 names KEVIN RIDGELY.
Who are the officers and directors of MARYLAND HISTORICAL SOCIETY?
The 990 for the year ended June 30, 2025 lists 34 people; 2 received compensation from the organization, the highest $141,400 (KATIE CALJEAN, PRESIDENT & CEO).
How much revenue does MARYLAND HISTORICAL SOCIETY have?
On its 990 for the year ended June 30, 2025 it reported revenue of $10,576,625, expenses of $5,648,305 and total assets of $46,858,092 at year end.

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