Rogan family genealogy
Arms: Vert on a mount in base ppr. a boar pass er.
EACHACH, brother of Feig who is No. 88 on the "O'Hanlon" pedigree, was the ancestor of O'Ruagain; anglicised Rogan.
88. Eachach ("eachach:" Irish, "having many horses"): son of Felim; a quo Ua Eachaigh, and MacEachaigh, anglicised Mageough, Magough, Magoff, Goff, Gough, and Magahy.
89. Olioll: his son; lord of the territory of Eachach Mór; had a brother, named Cathfoighid, who was lord of Eachach Beag.
90. Amhailgadh [awly]: son of Olioll; a quo Cineal Amhailgadh, now "Clanawley," in the co. Down.
91. Fearach: his son; had two brothers—1. Rory, 2. Fraochran.
92. Giall-Dubh: son of Ferach.
93. Armeadh: his son; a quo Clann Armeidh; had a brother named Sineach, a quo Clann Sineaigh.
94. Conmaol: son of Armeadh; had a brother named Cineadh ("cineadh," gen. "cinuidh:" Irish, a nation, a kind; Lat. "gen-us;" Gr. "gen-os"); a quo O'Cinnidh, anglicised Kenny (of Ulster).
95. Ruarach: son of Clonmaol.
96. Ceallach: his son; had a brother named Allen.
97. Ruagan ("ruaig:" Irish, to pursue; "an," one who): son of Ceallach; a quo O'Ruagain.
98. Eochagan: his son.
99. Cumascach: his son.
100. Olioll: his son.
101. Muireadach: his son.
102. Rory: his son.
103. Morogh Fionn O'Ruagain: his son.