Mac Thaidhg
Mac THAIDHG—IV—M'Heig, M'Keige, MacAig, MacHaig, MacCaig, MacCaigue, MacKaige, MacKague, MacKage, MacKaigue, MacKeag, MacKeague, Keag, Keague, &c.; a variant of Mac Taidhg, which see; sometimes pronounced Mac Caog.
Alphabetical Index to Irish Surnames