List of Counties in Utah - Former Counties

Former Counties

There were ten counties in the Territory of Utah that were absorbed by other states or Utah counties.

County Established Superseded Etymology Present location
Carson County 1854 1861 Named for the Carson River, a 150-mile (240 km) river in Nevada and California that originates from the Sierra Nevada Mountains Nevada
Cedar County 1856 1862 Named for the numerous cedar trees growing in the area (which are actually juniper trees) Utah County
Desert County 1852 1862 Named for the surrounding desert Box Elder County, Tooele County and Nevada
Greasewood County 1856 1862 Named for the greasewood plant growing in the area Box Elder County
Green River County 1852 1872 Named for the Green River, a 730-mile (1,170 km) tributary of the Colorado River that runs through Wyoming, Colorado and Utah Cache, Weber, Morgan, Davis, Wasatch, Summit, Duchesne, Carbon, and Utah Counties, and Wyoming and Colorado
Humboldt County 1856 1861 Named for the Humboldt River, a 300-mile (480 km) river in Nevada and longest river in the Great Basin Nevada
Malad County 1856 1862 Named for the Malad River, the name being French for "sickly" Box Elder County
Rio Virgin County 1869 1872 Named for the Virgin River, a 160 miles (260 km) long tributary of the Colorado River located in southern Utah and Nevada Washington County, Nevada and Arizona
St. Mary's County 1856 1861 Named after the Mary's River, which was later renamed to the Humboldt River Nevada
Shambip County 1856 1862 Goshute Native American Tribe word for Rush Lake Tooele County

Read more about this topic:  List Of Counties In Utah