Mag Eochadha
Mag EOCHADHA—IV—M'Geoghoe, MacGeough, Mageogh, Magough, MacGough, MacGoff, Gough, Goff; 'son of Eochaidh' (rich in cattle); a variant of Mac Eochadha (which see), under which the different families of the name are mentioned. See also Mag Eathach, Mag Eachaidh.
Alphabetical Index to Irish Surnames