THOMAS MOR MAGUIRE, Lord or Prince of Fermanagh, and chief of the name of MAGUIRE, living in 1400, married Margaret, daughter of Con O'Neill, prince of Tyrone.
This Thomas died in 1430, having had two sons,
Philip;The second, or, according to some, elder son,
THOMAS, of whom we treat.
THOMAS OGE MAGUIRE, Prince of Fermanagh, born ca 1450, died in 1480.
His direct descendant,
SIR BRYAN MAGUIRE (c1589-1633), Knight, was elevated to the peerage, by CHARLES I, by the title of LORD MAGUIRE, BARON OF ENNISKILLEN, County Fermanagh, in 1628, with limitation of the dignity to the heirs male of his body lawfully begotten.
He wedded Rose, daughter of Art O'Neill, of Carrickasticken, County Armagh, and sister of Owen Roe O'Neill, and had issue,
CONNOR, his heir, of whom presently;The 1st Lord Maguire died in 1655, and was buried in Aghavea, County Fermanagh.
Rory, a colonel in the army.
His elder son,
CONNOR, 2nd Lord (c1612-45), was one of the chief leaders in the rebellion of 1641, and one of its chief victims.
He was tried for high treason in London, in 1644, and being found guilty, was hanged at Tyburn.
With him, the title became attainted.
He had espoused Mary, daughter of Thomas Fleming, of Castle Fleming, and had a son.
Several of the Maguire family, many of whom served in foreign service, assumed, and were styled Lords Maguire.
John O'Donovan has written an article about the Maguires of Fermanagh here.
Maguire arms courtesy of European Heraldry. First published in January, 2011.