Union County is geographically located in the southwestern-Piedmont region of North Carolina (NC). Union County, N.C., borders both Lancaster and Chesterfield counties of South Carolina. Register of Deeds has land and marriage records starting from 1842, birth and death records from 1913, and burial records. Clerk Superior Court has probate records from 1837, court records from 1843, divorce, military, naturalization and land records; some records may have been transferred to the NC State Archives.