Callum O'Leary

Callum O'Leary (1855-1898) was an American outlaw who was affiliated with O'Driscoll Boys gang of the Wild West. V roce 1898 se spolu s několika dalšími O'Driscollovými podílel na krádeži dostavníku na cestě k Valentine, Nebraska, only for the Arizona Kid to track down to their campsite, ambush and kill them, and recover the wagon for Alden Carruthers.