Lewis County NY Genealogy

USA (1,379,301) > New York (69,866) > Lewis County (570)


Lewis County Records by City/Town

Beaver Falls Genealogy (33)
Constableville Genealogy (50)
Copenhagen Genealogy (43)
Croghan Genealogy (41)
Denmark Genealogy (37)
Glenfield Genealogy (35)
Greig Genealogy (40)
Harrisburg Genealogy (33)
Harrisville Genealogy (35)
Houseville Genealogy (34)
Leyden Genealogy (34)


Lowville Genealogy (149)
Lyons Falls Genealogy (38)
Martinsburg Genealogy (52)
Mohawk Hill Genealogy (37)
New Bremen Genealogy (37)
Port Leyden Genealogy (45)
Turin Genealogy (49)
Watson Genealogy (36)
West Leyden Genealogy (34)
West Turin Genealogy (39)

Overview of Lewis County Records

  • Lewis County was created in 1805 from Oneida County.
  • The New York State Department of Health has copies of birth, marriage, and death records starting in 1880. Individual town or city clerks also have copies of birth, marriage, and death records.
  • The Lewis County Clerk has incomplete death records from 1847 to 1852 and from 1880 to the present, court records starting in 1907, divorce records, land records starting in 1805, naturalization records from 1808 to 1906, military rolls records from 1862 to 1866, and state census records from 1825 to 1925.
  • The Lewis County Surrogate Court has probate records starting in 1805.
  • Online indexes and images of many of the above records can be found by using the links on this site.