Son of corradh' (spear); a rare surname. in co. leitrim, it seems to have been a variant of mac corraidhĂn, which see, (Sloinnte Gaedheal is Gall )
Son of godfrey'; older mac gothfhradha, mac gothfhraidh; a variant of mac gofradha, mac gofraidh and mac gafraidh, which see, (Sloinnte Gaedheal is Gall )
Sources:
Sloinnte Gaedheal is Gall An Sloinnteoir Gaeilge agus an tAinmneoir