COUNTY ORGANIZED: 1890
COUNTY NAMED FOR: James Collinsworth, the first chief justice of the Republic of Texas, whose name was misspelled in the legislation that established the county.
COUNTY SEAT NAMED FOR: They named it for the
duke of Wellington because a relative of the earl of Aberdeen, who was one of the owners of Rocking Chair Ranch, had been with the duke at Waterloo.
Two - 1893 and 1931
STANDING: One - 1931 Texas Renaissance courthouse built of brick and stone.