Máel Dúin mac Conaill died in 688.
Ardgal mac Conaill died in 520.
Niall mac Conaill died in 778.
It's derived from the Gaelic Mac Conaill meaning "son of Conall". Conall is derived from "cú" meaning wolf and "gal" meaning valor.
Mac Beathaidh mac Ainmire died in 1041.
Mac Cairthinn mac Coelboth died in 446.
Pilib mac Séamus Mac Mathghamhna died in 1486.
Tadhg mac Dáire Mac Bruaideadha died in 1652.
Aed mac Conchbair Mac Aodhagáin died in 1359.
Mac Cuu died in 1735.
Mac Colville died in 2003.
Mac Henderson died in 2009.
Mac Price died in 2003.