Jefferson County, Oregon Genealogy

Jefferson county was created from Crook County 12 Decembr 1914. Named for Mount Jefferson, located on west boundary. It was named in turn for Thomas Jefferson, third president of the United States of America.

The county seat is Madras. Culver was the county seat 1914 to 1916

County Records Inventory listing the records held at the Jefferson County Court House as of August 2005.

Cities: Culver | Madras | Metolius

Unincorporated Communities: Ashwood | Axehandle | Camp Sherman | Crooked River Ranch | Donnybrook | Gateway | Geneva | Grandview | Grizzly | Horseheaven | Kilts | Lamonta | Opal City | Warm Springs | Willowdale

Genealogy Websites: The Jefferson County GenWeb Project part of The ORGenWeb Project, a state project affiliated with The USGenWeb Project

Neighboring Counties: Crook | Deschutes | Linn | Marion | Wasco | Wheeler

Trivia Tidbits: Little biographic bits associated with the name of non-population localities.

Portal:Oregon