Quinn family genealogy
Lords of Muintir Gillagain, County Longford
Arms: Vert a pegasus pass. wings elevated ar. a chief or.
GIOLLAGAN, a brother of Eimhin who is No. 101 on the "Line of Ir," p. 303, was the ancestor of MacCuinn and O'Cuinn (lords of Muintir Gillagain—a territory in the county Longford); anglicised O'Quinn, MacQuinn, MacQueen, Quinn, and Quin.
101. Giollagan ("giolla:" Irish, a minister or page): son of Croman; a quo O'Giollagain, anglicised Gilligan and O'Galligan.
102. Sgannan: his son.
103. Gormgal: his son.
104. Conu ("conn:" Irish, wisdom): his son; a quo MacCuinn and O'Cuinn.
105. Searragh: son of Conn.
106. Aodh (or Hugh) O'Quinn: his son; first of the family who assumed this surname.
107. Donogh: his son.
108. Teige: his son.
109. Sitric: his son.
110. Amhailgadh [awley]: his son
111. Gormgal (2): his son.
112. Dermod: his son.
113. Giolla-na-Naomh: his son.
114. Gormgal (3): his son.
115. Cuchonacht: his son.
116. Cathal: his son.
117. Cairbre: his son.
118. Felim O'Quinn: his son.