From: "The Surnames of Ireland," Sixth Edition, Edward MacLysaght, 1999. Sixth edition 1985. Irish Academic Press, Dublin, Ireland:
"Mac Alindon 'Mac Giolla Fhiondain' (devotee of St. Fintan).* A sept of Oriel. MIF 20**; Map Armagh-Down.
"(Mac) Linden See MacAlinden"
"Glendon, Glindon These and the intermediate form McLindon, as well as Lindon, are abbreviated forms of MacAlinden. Linton is also on record as a synonym in Cos. Down and Armagh."
"Lyndon See under Glendon."
"As names beginning with 'Mac 'Giolla followed by a saint's name...the words 'Sons of the devotee of' will not be repeated there."
**MIF reference: "More Irish Families."
[Oriel Project Group Admin Note: So 'Mac Giolla Fhiondain' (Gaelic) means "Sons of the devotee of St. Fintan."]
Research and posting by Mary Becker, Group Admin. for:
McClendon DNA Projecthttp://www.worldfamilies.net/surnames/mcclendon
Oriel Septs of Ireland DNA Project: https://www.familytreedna.com/public/orielsepts
mary.becker AT sbcglobal.net