Calvert County, MarylandEdit This Page
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Guide to Calvert County Maryland genealogy. Birth records, marriage records, death records, census records, family history, and military records.
|Calvert County, Maryland|
Location in the state of Maryland
Location of Maryland in the U.S.
|Founded||July 30, 1650|
|County Seat||Prince Frederick|
|Address|| Calvert County Courthouse|
175 Main Street
Prince Frederick, MD 20678
Calvert County Website
Clerk Circuit Court has marriage, divorce, court and land records from 1882.
Register of Wills has probate recordfrom 1882,
earlier records available at State Hall of Records. 
Calvert County Maryland History
- Originally named Patuxent County.
- Renamed 22 October 1669 for the Calvert family, the Lords Baltimore, the proprietors of Maryland.
- 1650--Calvert County was created 30 July 1650 from the old Charles County which was created 3 October 1850 and discontinued 28 September 1653. The new Charles County which is located west was created 13 April 1658.
County seat: Frederick.
For animated maps illustrating Maryland county boundary changes, "Rotating Formation Maryland County Boundary Maps" (1637-1997) may be viewed for free at the MapofUS.org website.
1882 Courthouse fire destroyed most of the records.
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