PATRICK DUIGENAN (1735-1816), Irish lawyer and politician, was the son of a Leitrim Roman Catholic farmer named O'Duibhgeannain.
The early events of his life are obscure; but about 1152 we find him engaged in a feud with 0 Ruairc, the lord of Breifne (Leitrim and Cavan).
Brian and Fiachra, sons of Eochaid Muigmed61n, conquered for themselves the country of the Ui Briuin (Roscommon, Leitrim, Cavan) and Tir Fiachrach, the territory of the Firbolg tribe the Fir Domnann in the valley of the Moy (Co.