Massachusetts County Map Formation by Year
1643
1644
1652
1658
1662
1663
1664
1665
1668
1669
1673
1674
1675
1679
1680
1683
1685
1686
1689
1690
1691
1692
1695
1707
1713
1716
1731
1732
1735
1740
1742
1747
1749
1760
1761
1764
1765
1768
1774
1779
1783
1784
1785
1789
1790
1792
1793
1797
1799
1801
1803
1804
1805
1807
1809
1811
1812
1816
1820
1822
1829
1830
1831
1834
1835
1837
1838
1841
1853
1854
1855
1858
1859
1862
1868
1870
1872
1874
1909
1912
1938
1947
Massachusetts County Map Abbreviations
unorg. = unorganized
g. = gained
w. = with
fr. = from
atmt. = attachment
exch = exchanged
nca.= non county area
ch. = changed
CONNECTICUT
Fa -
Fairfield
Har -
Hartford
Lit -
Litchfield
Mi -
Middlesex
NH -
New Haven
NL -
New London
To -
Tolland
Wi -
Windham
RHODE ISLAND
Pr -
Providence
Wa -
Washington
Br -
Bristol
Knt -
Kent
Ne -
Newport
MASSACHUSETTS
Ba -
Barnstable
Be -
Berkshire
Br -
Bristol
Du -
Dukes
Br -
Bristol
Es -
Essex
Fr -
Franklin
Hdn -
Hampden
Hsr -
Hampshire
Mi -
Middlesex
Nan -
Nantucket
No -
Norfolk
Pl -
Plymouth
Su -
Suffolk
Wo -
Worcester