Deeds.—The origin of surnames is also attributed to Brian Boroimhé, from a fragment in the Library of Trinity College, Dublin, supposed to be a portion of a life of that monarch written by his poet Mac Liag. Surnames were generally introduced throughout Europe in the tenth and twelfth centuries. The Irish gave their names to their lands. In other countries patronymics were usually taken from the names of the hereditary possessions.
Fifty-three.—See Dr. O'Donovan's note to Annals, p. 747.
Fidh-Gaibhli.—Now Feegile, near Portarlington.