Frank McLaury born Robert Findley McLaury was an American outlaw. He and his brother Tom allegedly owned a ranch outside Tombstone, Arizona, although this ownership is disputed, that cowboy Frank Patterson owned the ranch. Arizona Territory during the 1880s, and had ongoing conflicts with lawmen Wyatt, Virgil, and Morgan Earp. The McLaury brothers repeatedly threatened the Earps because they interfered with the Cowboys' illegal activities. On October 26, 1881, Tom, Frank, and Billy Clanton were killed in the Gunfight at the O.K. Corral.

William Harrison Clanton was an outlaw Cowboy in Cochise County, Arizona Territory. He, along with his father Newman Clanton and brother Ike Clanton, worked a ranch near the boomtown of Tombstone, Arizona Territory and stole livestock from Mexico and later U.S. ranchers.