Welcome to Baltimore County, Maryland
Hello and welcome to the Genealogy Trails website
for Baltimore County.
This is a continuation of our original Illinois Genealogy Trails project and we are excited about this opportunity to expand into other states. We welcome your feedback and comments, and of course, your data contributions.
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The name of the county was derived from the barony of the Proprietor of the Maryland colony, Cæcilius Calvert, 2nd Baron Baltimore, in County Longford, Ireland. The County Seat is Towson.
It should be noted that Baltimore County does not include the City of Baltimore, which was split off as an independent city in 1851.
The origin of Baltimore County is not known, the earliest known record of the county politically is January 12, 1659, when a writ was issued to its sheriff. Previously, Baltimore County was more known as a geographical entity than a political one, with its territorial limits consisting of the present day Baltimore City, Cecil and Harford Counties, as well as parts of Carroll, Anne Arundel, Frederick, Howard and Kent Counties.
In 1674, a portion of Baltimore County, as well as a portion of Kent County, was split off to form Cecil County. In 1748, a portion of Baltimore County, as well as a portion of Prince George's County, was split off to form Frederick County. In 1773, Harford County was split off from Baltimore County. In 1837, a part of Baltimore County was combined with a part of Frederick County to form Carroll County. In 1851 the city of Baltimore was detached from Baltimore County.
York County, Pennsylvania (north)
Anne Arundel County (south)
Carroll County (west)
Harford County (east)
Howard County (southwest)
Baltimore City (independent city, surrounded by Baltimore County except to the south)
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