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The list below includes links to existing online marriage indexes for each county in Washington state. In order to research marriage certificates that are not online, you will have to contact the county auditor where the certificate would be filed.  Some counties keep their older marriage certificates at regional branches of the Washington State Archives.

Marriage certificates prior to 1947 are filed in the counties where the marriages took place.  Marriage certificates 1947 to present are filed in the counties where the licenses are issued.

Adams County

Western States Marriage Index

1884-1905 : index only
Washington State Digital Archives 1884-present : index and images
Asotin County
Western States Marriage Index 1884-1907 : index only
Washington State Digital Archives 1899-2003 : index and images
Benton County
Washington State Digital Archives 1905-1980 : index and images
Benton County Auditor 1985-present : index only
Chelan County
Washington State Digital Archives 1900-2003 : index and images
Chelan County Auditor 1998-present : index only
Clallam County
Clallam County Auditor 1891-present: index and images
Washington State Digital Archives 1977-2010 : index and images
Clark County
Western States Marriage Index 1840-1903 : index only
Washington State Digital Archives    1889-1998 : index and images
Clark County Auditor     1998-present : index only
Columbia County
Western States Marriage Index 1876-1912 : index only
Washington State Digital Archives 1876-2003 : index and images
Cowlitz County
Western States Marriage Index 1854-1887 : index only
Cowlitz County Auditor 1854-present : index and images
Washington State Digital Archives 2009-present : index and images
Douglas County
Western States Marriage Index 1877-1900 : index only
Washington State Digital Archives 1884-1975 : index and images
Douglas County Auditor 1987-present : index and images
Ferry County
Washington State Digital Archives 1900-1999 : index and images
Franklin County
Western States Marriage Index 1892-1906 : index only
Washington State Digital Archives 1890-1909 : index only
1910-1930 : index and images
1931-1999 : index only
1999-present : index and images
Garfield County
Western States Marriage Index 1882-1889 : index only
Washington State Digital Archives 1882-1990 : index and images
Grant County
Washington State Digital Archives 1909-1993 : index and images
Grays Harbor County
Western States Marriage Index 1855-2000 : index only
Washington State Digital Archives 1870-present : index and images
Island County
Washington State Digital Archives 1855-1994 : index and images
Jefferson County
Washington State Digital Archives 1872-present : index and images
Jefferson County Auditor 1984-present : index and images
King County
Washington State Digital Archives 1855-1989 : index and images
King County Recorder's Office 1979-present : index only
Kitsap County
Washington State Digital Archives 1860-1990 : index and images
1991-2006 : index only
Kitsap County Auditor 1986-2005 : index only
2006-present : index and images
Kittitas County
Washington State Digital Archives 1891-2005: index and images
Klickitat County
Western States Marriage Index 1867-1941 : index only
Washington State Digital Archives 1867-present : index and images
Lewis County
Washington State Digital Archives 1854-present : index and images
Lewis County Auditor 1854-present : index and images
Lincoln County
Western States Marriage Index 1884-1887 : index only
Washington State Digital Archives 1883-2004 : index and images
Mason County
Washington State Digital Archives 1857-1985 : index and images
1986-present: index only
Mason County Auditor 1975-present: index only
Okanogan County
no known online indexing
Pacific County
Washington State Digital Archives 1872-1947 : index and images
1996-present : index and images
Pend Oreille County
Western States Marriage Index 1911-1915 : index only
Washington State Digital Archives 1911-2004 : index and images
Pierce County
Washington State Digital Archives 1889-1947 : index and images
1984-2008 : index only
Pierce County Auditor 1983-present : index only
San Juan County
Washington State Digital Archives 1874-1914 : index only
1923-1939 : index and images
Skagit County
Washington State Digital Archives 1884-2000 : index and images
Skagit County Auditor 1981-present : index only
Skamania County
Western States Marriage Index 1893-1900 : index only
Washington State Digital Archives 1905-2007 : index and images
Snohomish County
Washington State Digital Archives 1873-1919 & 1968-1985 : index and images
Snohomish County Auditor 1985-present : index only
Spokane County
Western States Marriage Index 1880-1917 : index only
Washington State Digital Archives 1880-present : index and images
Spokane County Auditor     1881-present : index only
Stevens County
Western States Marriage Index 1859-1891 : index only
Washington State Digital Archives 1859-2008 : index and images
Thurston County
Washington State Digital Archives 1970-2004 : index only
Thurston County Auditor 1970-present : index only
Wahkiakum County
no known online indexing
Walla Walla County
Western States Marriage Index 1862-1910 : index only
Washington State Digital Archives 1865-1986 : index and images
1987-2007 : index only
Whatcom County
Western States Marriage Index 1878-1902 : index only
Washington State Digital Archives 1869-2001 : index and images
Whitman County
Western States Marriage Index 1872-1909 : index only
Washington State Digital Archives 1872-2002 : index and images
Yakima
Washington State Digital Archives 1896-1930 : index and images
1931-2008 : index only

1215 E Fir Street, Seattle, Washington 98122 | Hours: 9am-4pm M-F | Phone: (206) 296-1538 | Email: archives@kingcounty.gov