Cathal Cú-cen-máthair died in 665.
Cathal Gannon died in 1999.
Cathal Goulding died in 1998.
Cathal O'Shannon died in 1969.
Cathal O'Byrne died in 1957.
Cathal mac Dúnlainge died in 819.
Cathal mac Tigernán died in 1059.
Cathal Ó Sándair died in 1996.
Cathal mac Tadg died in 973.
Cathal mac Conchobair died in 925.
Cathal Ó Matadain died in 1343.
Amhalgaidh mac Cathal died in 1075.
Cathal mac Ruaidhri died in 1043.