The Dennis Family

Dennis family crest

(Crest No. 31. Plate 11.)

THE Dennis family is descended from Milesius, King of Spain, through the line of his son Heremon. The founder of the family was Muiredach, or Mulrooney Mullethan, King of Connaught in the seventh century and of the line of Duach Galach, first Christian King of Connaught. The ancient name was McDonogh and signifies “Son of Destroyer.” The possessions of the clan were located in the present County of Sligo.