Williamson County IL Genealogy

USA (1,379,301) > Illinois (55,642) > Williamson County (755)


Williamson County Records by City/Town

Blairsville Genealogy (35)
Carterville Genealogy (74)
Corinth Genealogy (42)
Crab Orchard Genealogy (70)
Creal Springs Genealogy (67)
East Marion Genealogy (35)
Grassy Genealogy (44)


Herrin Genealogy (79)
Johnston City Genealogy (66)
Lake Creek Township Genealogy (38)
Marion Genealogy (154)
Pittsburg Genealogy (44)
Southern Township Genealogy (39)
Stonefort Genealogy (44)


Overview of Williamson County Records

  • Williamson County was created in 1839 from Franklin County.
  • Copies of birth and death certificates for 1916 and later can be obtained from the Illinois Department of Public Health.
  • The Williamson County Clerk has birth records starting from 1879 to 1916, marriage records from 1839, and death records from 1877 to 1916.
  • The Williamson County Recorder has land records from 1818.
  • The Williamson County Circuit Court Clerk has probate records from 1839 and court records from 1840.
  • Online indexes and images of many of the above records can be found by using the links on this site.