MacDonough (No.1) family genealogy
Lords in the County Sligo
Arms: Per chev. invected or and vert. in chief two lions pass. guard. gu. in base a boar pass. ar.
DONOCH,[1] a brother of Cormac who is No. 114 on the "MacDermott" pedigree, was the ancestor of Clann Domhnaigh also called Clann Donchada (of Connaught), anglicised MacDonough,[2] Macdonogh, Macdona, and Donoghue.
114. Donoch ("domnach:" Irish, Sunday): son of Tomaltach.
115. Muirgheas: his son.
116. Tomaltach (2): his son.
117. Teige: his son. This Teige had a brother named Cormac na-Beag-feada (or Cormac of "the little whistle,") who was the ancestor of " MacDonough" of Tir-Olliolla (now the barony of " Tirerill"), in the County Sligo.
118. Brian: his son.
119. Teige: his son.
120. Cormac: his son.
121. Cairbre: his son.
122. Maolseaghlainn (or Melaghlin) Oge: his son.
123. Connor: his son.
124. John Oge MacDonough, of Baile-an-Duin: his son.
Notes
[1] Donoch: This name is anglicised "Dennis" and "Denny;" and thus "MacDonough" has been modernized Dennison, Denny, and Dennis. The latinized form of "Donoch" (or Doncha) is Dionysius.
[2] MacDonough: This family was distinct from MacDonough, Lords of Duhallow, in Munster.