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Cassia County IDGenWeb is a free genealogical site about the history of the county. We hope you find helpful clues for your research of Cassia county ancestors.

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Temporary County Coordinator: Norma Hass normahass01@gmail.com

State Coordinator: Kerry Hairston kerry.hairston@gmail.com

COUNTY FORMATION

Cassia County was created in 1879 from the parent County of Owyhee. It was named for Cassia Creek, which in turn was named either for John Cazier, a member of the Mormon Battalion and an emigrant train captain, or for a plant found in the area.

County officers declared elected as County and Precinct officers as of June 9 1879 were: Probate Judge James H. Chase; Sheriff J.E. Harrington; Auditor and Recorder S.P. Weatherman; Treasurer M.G. Robison; Assessor T.M. Gray; County Commissioners C.M. Gray, R.A. Beecher and Sidney Kelly; Coroner J.D Burch; Surveyor Frank Riblett. Precinct Justice of Peace were; Salmon Falls, M. O'Conner; Rock Creek, A.D. Norton and Lars Larson; Oakley, James Chaplow; Goose Creek, J.E. Miller and W.D. Robbins; Sublett, J. Galliger and Henry Powers; Bonanza Bar, Tho. Henry; Clear Creek, H.A. Baker; Marsh Basin, Josiah Bridger and R.N. Howell.

Marsh Basin (now called Albion) was appointed as temporary county seat. The county was divided into seven precincts: Cassia Creek, Clear Creek, Goose Creek, Marsh Basin, Oakley, Rock Creek and Sublett. On April 14, 1879, two more precincts were formed, Salmon Falls and Bonanza Bar.

In 1907, Cassia lost western territory to the formation of Twin Falls County. Then, in 1913, an eastern portion was given to create Power County.

The county seat was moved to Burley in January, 1919.