Mac Dhonnchadha
Mac DHONNCHADHA, Mac DHONNCHAIDH—IV—M'Conogho, M'Conough, M'Connagh, M'Conna, MacConachie, MacConnachie, MacConnaghy, MacConaghy, MacConnaughey, MacConohy, MacCona, MacConkey, MacKonkey, Conify, (Robertson); variants of Mac Donnchadha, Mac Donnchaidh, which see; common in the spoken language even when the radical D is retained in the anglicised form.
Alphabetical Index to Irish Surnames