Petroleum County, Montana Genealogy

Guide to Petroleum County, Montana Family history and genealogy birth records, marriage records, death records, census records, family history, and military records.

United States Montana  Petroleum County

Historical Facts

 * Parent County: created 24 November 1924 from Fergus and Garfield
 * County seat: Winnett 
 * Neighboring Counties: Fergus | Garfield | Musselshell | Phillips | Rosebud

Courthouse
Director of Records has birth, marriage, death, burial, divorce, probate, court and land records from 1925

Websites

 * USGenWeb project. May have maps, name indexes, history or other information for this county. Select the state, then the county.