Back to Index of Unique Facts About Maine Back to Registries of Deeds Chronology Of Maine's Counties YORK - From 1658, when Massachusetts assumed jurisdiction, to 1691, Yorkshire extended to the western limit of North Yarmouth. It included the entire State to June 19, 1760, when Cumberland and Lincoln were set off. CUMBERLAND - Set off from York June 19, 1760. Part set off to Kennebec February 20, 1779. Part set off to Oxford March 4, 1805. Part set off to Androscoggin March 18, 1854. LINCOLN - Set off from York June 19, 1760. Part set off to Washington June 25, 1789. Part set off to Hancock June 25, 1789. Part set off to Kennebec February 20, 1799. Part set off to Androscoggin March 18, 1854. Part set off to Sagadahoc April 4, 1854. Part set off to Knox March 5, 1860. HANCOCK - Set off from Lincoln June 25, 1789. WASHINGTON - Set off from Lincoln June 25, 1789. Part set off to Aroostook March 16, 1839. KENNEBEC - Set off from Cumberland and Lincoln February 20, 1799. Part set off to Franklin March 20, 1838. Part set off to Androscoggin March 18, 1854. OXFORD - Set off from York and Cumberland March 4, 1805. Part set off to Franklin March 20, 1838. Part set off to Androscoggin March 18, 1854. SOMERSET - Set off from Kennebec March 1, 1809 Part set off to Franklin March 20, 1838. Part set off to Piscataquis March 23, 1838. Part set off to Aroostook March 12, 1843. PENOBSCOT - Set off from Hancock February 15, 1816. Part set off to Piscataquis March 23, 1838. Part set off to Aroostook March 16, 1839. Part set off to Aroostook March 21, 1843. WALDO - Set off from Hancock February 7, 1827. Part set off to Knox March 5, 1860. FRANKLIN - Set off from Kennebec, Oxford and Somerset March 20, 1838. PISCATAQUIS - Set off from Penobscot and Somerset March 23, 1838. Part set off to Aroostook March 12, 1844. AROOSTOOK - Set off from Penobscot and Washington March 16, 1839. Part of Penobscot annexed March 21, 1843. Part of Piscataquis annexed March 12, 1844. Part of Somerset annexed March 12, 1844. ANDROSCOGGIN - Set off from Cumberland, Oxford, Kennebec and Lincoln March 18, 1854. SAGADAHOC - Set off from Lincoln April 4, 1854. KNOX - Set off from Lincoln and Waldo March 5, 1860.