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Washington County, Idaho

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  • Paul D Voth (1921 - 2014)
  • Howard Lyman McMahan (1911 - 2004)
  • George C Arpan (1901 - 1975)
  • Thomas Robert Vail (1889 - 1940)
    Montana, County Marriages, 1865-1950 Name Thomas Robert Vail Event Type Marriage Event Date 03 Jan 1916 Event Place Lewistown, Fergus County, Montana Age 26 Race White Birthplace Weiser, Washington Cou...
  • Bessie Merle Slatter (1910 - 2002)
    GEDCOM Source ===@R1550488937@ Idaho, Select Marriages, 1878-1898; 1903-1942 Operations, Inc Idaho, Marriages, 1878-1898; 1903-1942 1,60274::0 1,60274::103727=== GEDCOM Source...

Please add profiles of those who were born, lived or died in Washington County, Idaho.

Official Website

The county was established in 1879 when Idaho was a territory and named after U.S. President George Washington.

Adjacent Counties


  • Cambridge
  • Midvale
  • Weiser (County Seat)



Nat'l Reg. of Hist. Places

Boise National Forest (part)

Deer Flat Nat'l Wildlife Ref. (part)

Payette National Forest (part)