Cumman is the name, of two early Irish virgins and saints:
1. Commemorated July 6, seems to have been minsister of Ethne and daughter of Cormac, of the royal race of Ireland, and flourished about A.D. 560.
2. Commemorated May 29, apparently of the Ards (County Down), and of the royal race of Erin, before A.D. 800.