Mag Garacháin
Mag GARACHÁIN—IV—Magaraghan, M'Garaghan, MacGarran, Garraghan, Garahan, Garron; 'son of Arachán,' or 'Farachán'; written Mag Aracháin in the Annals of Ulster; a Fermanagh surname, formerly borne by an ecclesiastical family at Lisgool. Compare with Ó Faracháin.
Alphabetical Index to Irish Surnames