(See below for:
County Abbreviations,
Discontinued Maryland Counties, and
Destroyed Court Houses.)
(These maps are best viewed at 1024 x 768 dpi.)
Go to Year:
Intro 1637 1642 1650 1654 1658 1662 1666 1669 1671 1672 1673 1674 1685 1695 1696 1698 1706 1707 1727 1742 1748 1750 1760 1773 1774 1776 1789 1791 1824 1837 1851 1867 1872 1880 1888 1918 1997
(There are 24 counties.)
Maryland County Abbreviations
AA =Anne Arundel
Al =Allegeny
Ba =Baltimore
BC =Baltimore City
Cal=Calvert
Ce =Cecil
Cha=Charles
Cln=Caroline
Crl=Carroll
Do =Dorchester
Fr =Frederick
Ga =Garrett
Ha =Harford
Ho =Howard
Ke =Kent
Mo =Montgomery
PG =Prince George's
QA =Queen Anne's
SM =St. Mary's
So =Somerset
Ta =Talbot
Wa =Washington
Wi =Wicomico
Wo =Worcester
Maryland Discontinued Counties