Barnaby Fitzpatrick (Irish: Brian Mac Giolla Phádraig), 6th Baron Upper Ossory, (d. 1666) was the heir and successor of Barnaby Fitzpatrick, 5th Baron Upper Ossory.[1] The eldest son of Barnaby Fitzpatrick by his wife Margaret Butler, he took his seat in Parliament on 16 March 1639. He married Catherine Everard, daughter of Sir Edward Everard,[2] and his heir was his eldest son, Barnaby.
. William Carrigan . 1905 . The History and Antiquities of the Diocese of Ossory . 1 . Sealy, Bryers & Walker . Dublin.