Genealogy Trails

Welcome to Douglas County
Colorado Genealogy Trails!

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Our goal is to help you track your ancestors through time by transcribing genealogical and historical data and placing it online for the free use of all researchers.

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County Information
Founded:  November 1, 1861
Named for Stephen A. Douglas
Seat:  Castle Rock
Largest CDP:  Highlands Ranch

One of the original 17 counties created in the Colorado Territory, it was named in honor of Stephen A. Douglas, who had died earlier tht year. The county's borders extended all the way to the Kansas border, but was reduced in size with the creation of new counties. The county seat was originally Franktown, but was moved to California Ranch in 1863, and then to Castle Rock in 1874.
Located midway between Colorado's two largest cities, Denver and Colorado Springs, Douglas County is now one of the fastest growing counties in the country. (source: wikipedia)

First Douglas County courthouse, 1874
Courtesy of the Douglas County History Research Center, Douglas County Libraries, Castle Rock, Colorado.
Used under creative commons license

Cities, Towns and Other Communities
Aurora (part) * Castle Pines North * Castle Rock * Larkspur * Littleon (part) * Lone Tree * Parker

Census - designated places
Acres Green * Carriage Club * Castle Pines * Cottonwood * Franktown * Grand View Estates * Heritage Hills
Highlands Ranch * Louviers * Meridian * Perry Park * Roxborough Park * Sedalia * Stonegate * The Pinery * Westcreek

Other places
Castle Pines Village * Dakan * Deckers * Greenland

Douglas County, Colorado Data


Birth Records


Census Records

County Records

County History



Family Bibles



Native Americans

Newspaper Items



Wills/Probate Records


August 2018 - Accident/Fires - 1 added
March 2018 - Bios - 1 was added
September 2017 - Obits - 30 were added
August 2016: Obits - 6 were added
Feb 2016: News-Fires: Fire at Castle Rock
Dec 2014: History: Douglas County
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Visit the Counties bordering Douglas
Jefferson County, Colorado - west
Arapahoe County, Colorado - north
Elbert County, Colorado - east
El Paso County, Colorado - southeast
Teller County, Colorado - south
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