Washington Genealogy Trails

Welcome to
Cowlitz County

Genealogy and History

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The county seat is at Kelso, and its largest city is Longview.
Its name derives from the Cowlitz Indians

Founded April 21, 1854
Seat Kelso
Largest city Longview

Cities, Towns and CDP's
* Castle Rock * Kalama * Kelso * Longview * Woodland

Census-designated places
* Longview Heights * West Longview * West Side Highway

Other communities
* Ariel * Carrolls * Cougar * Lexington * Olequa
* Ryderwood * Silver Lake * Toutle * Yale

Our Online Data


Church Histories / Records

Family Bibles

Miscellaneous Data

School Records

Wills/Probate Records

Website Updates:

October 2015:

Obituary added: Catherine Goerig

Previous Updates


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Surrounding Counties:
* Lewis County, Washington - north
Skamania County, Washington - east
Clark County, Washington - south
Columbia County, Oregon - southwest
Wahkiakum County, Washington - west

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