variations such as Colman, Coleman, O'Colman, MacColeman, McColeman, Coalman, Coulman, Colemen, Colmen, Coalmen, Colmin, Colmen, Coulmen, Coulmin, Colemin and many more. First found in County Sligo , where they were a sept of O'Colmain, a branch of Hy Fiachrach.   More More about the O'Coleman History... Our PDF Extended History includes