Gillon family genealogy
Arms: Or, three fleurs-de-lis gu. Crest: A dexter hand holding up a bomb, fired ppr.
GIOLLAFINNEAN, who is No.105 on the "Mulroy" pedigree, was the ancestor of MacGiolla-Finnein; anglicised MacGillfinen, Gillfinan, Gillfinan, Gillion, Gillon, Gillinan, Glennon, Leonard, etc.
105. Giollafinnean ("finnen:" Irish, a shield): son of Maolruanaidh; a quo MacGiolla-Finnein.
106. Maccraith MacGiolla Finnein: his son; first assumed this sirname.
107. Giollapadraic: his son.
108. Concobhar: his son.
109. Donall: his son.
110. Giolla Midhe (or Giolla of Meath): his son.
111. Ranall: his son.
112. Henry Crosach: his son.
113. Tirlogh: his son.
114. Donoch: his son.
115. Lochlann: his son.
116. Lochlann Oge: his son.
117. Brian: his son.
118. Shane MacGiolla-Finnein his son.