Mag Eochaidhín
Mag EOCHAIDHÍN—IV—M'Gokiane, MacGuickian, MacGughian, MacGuckian, MacGookin, MacGuckin, Guckeane, Gucken, Guckian, Guigan, Guiken, &c.; 'son of Eochaidhín' (diminutive of Eochaidh); an Ulster surname.
Alphabetical Index to Irish Surnames