O'Flanagan (No.2) family genealogy
Of Orgiall
Arms: Ar. a fess betw. three stags' heads cabossed gu.
FLANNAGAN, brother of Donallan who is No. 102 on the "Donnellan" pedigree, was the ancestor of O'Flannagain, of Clann Colla; anglicised O'Flanagan.
102. Flannagan: son of Moroch; a quo O'Flannagain.[1]
103. Moreach: his son.
104. Cathal: his son.
105. Cugranna: his son.
106. Moreach (2): his son.
107. Murtogh: his son.
108. Donall: his son.
109. Moreach (3): his son.
110. Murtogh (2): his son.
111. Flaitheartach: his son.
112. Murtogh (3): his son.
113. Teige: his son.
114. Dermod: his son.
115. Jeoffry: his son. This Jeoffry had two brothers—1. Shane, a quo Clann Shane;[2] 2. Connor.
116. Connor: son of Jeoffry.
117. Dermod: his son.
118. William: his son.
119. William Oge: his son; had a brother named Malachi.
120. Edmond: son of William Oge; had a brother named Teige.
121. Brian: son of Edmond.
122. Brian Oge O'Flanagan: his son.
Notes
[1] O'Flannagain: For the derivation of this sirname see No. 99 on the foregoing genealogy.
[2] Clan Shane: The sirnames Jacks and Johns are considered to be derived from this "Clann Shane."