Holiday Closure: All Harford County Public Library locations will be closed
Monday, February 17, in observance of Presidents Day.
Holiday Closure: All Harford County Public Library locations will be closed
Friday, April 18, in observance of Good Friday.
Holiday Closure: All Harford County Public Library locations will be closed
Sunday, April 20, in observance of Easter.
Holiday Closure: All Harford County Public Library locations will be closed
Monday, May 26, in observance of Memorial Day.
Holiday Closure: All Harford County Public Library locations will be closed
Thursday, June 19, in observance of Juneteenth.
Holiday Closure: All Harford County Public Library locations will be closed
Friday, July 4, in observance of Independence Day.
Holiday Closure: All Harford County Public Library locations will be closed
Monday, September 1, in observance of Labor Day.
Library Closure: All Harford County Public Library locations will be closed
Monday, October 13, for Staff In-Service Day.
Library Closure: Abingdon Library will be closed
Friday, October 31, for a Private Event.
Library Closure: Abingdon Library will be closed
Saturday, November 1, for a Private Event.
Library Closure: Abingdon Library will be closed
Sunday, November 2, for a Private Event.
Holiday Closure: All Harford County Public Library locations will be closed
Tuesday, November 11, in observance of Veterans Day.
Early Closure: All Harford County Public Library locations will close early at 5 PM
Wednesday, November 26.
Holiday Closure: All Harford County Public Library locations will be closed
Thursday, November 27, in observance of Thanksgiving.
Holiday Closure: All Harford County Public Library locations will be closed
Friday, November 28, in observance of the Thanksgiving Holiday.
Holiday Closure: All Harford County Public Library locations will be closed
Wednesday, December 24, in observance of Christmas Eve.
Holiday Closure: All Harford County Public Library locations will be closed
Thursday, December 25, in observance of Christmas Day.
Library Closure: All Harford County Public Library locations will be closed
Sunday, December 28.
Early Closure: All Harford County Public Library locations will close early at 5 PM
Wednesday, December 31.
Holiday Closure: All Harford County Public Library locations will be closed
Thursday, January 1, 2026, in observance of New Year’s Day.
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Genealogy

Family Search ▸
World's largest online repository of free genealogical records

Fold3 ▸
U.S. military records, including photos and personal documents

Historical Newspapers ▸
Research national, regional, and local newspapers

Genealogy Scavenger Hunt ▸
Explore our Genealogy resources with a librarian created scavenger hunt

Ancestry ▸
Online family history records and other genealogy resources

HeritageQuest ▸
Family and local histories designed for public library research

Recommended Websites ▸
Selected websites for genealogy research

Local History

Local and State Resources ▸
Selected web resources for Maryland genealogy research

Silent Sentinels of Aberdeen Proving Ground ▸
Cemetery grave markers of military and private cemeteries

Harford Living Treasures Oral Histories ▸
Over 300 oral histories of Harford County residents

Harford County Public Library’s Print Genealogy Collection

The major part of this collection is housed in the Maryland Room of the Bel Air Branch (with introductory materials in the other branches). This is primarily a Reference Collection and must be used in the library. The emphasis of this collection is on Maryland and local history and access to various genealogical resources.