IrishLast Names [Surnames] starting with O

Irish last names starting with O

Irish last names in alphabetical order:
A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z

Name	Origin	Meaning
Ocanny	Irish
Ocanty	Irish
Ocarbery	Irish
Ocarmody	Irish
Ocarolan	Irish
Ocarroll	Irish	Valorous in battle.
Ocarry	Irish
Ocasey	Irish
Ocassin	Irish
Ocherlonie	Irish
Ochiltree	Irish
Ochiltrie	Irish
Ochterlony	Irish
Oclavin	Irish
Ocloney	Irish
Ocoffey	Irish
Ocolgan	Irish
Oconcannon	Irish
Oconnaghty	Irish
Oconnaughton	Irish
Oconnell	Irish	Strong as a wolf.
Oconnolly	Irish
Oconnor	Irish	Patron of warriors.
Oconochar	Irish
Oconor	Irish	The descendants of Conor or Concovar,...
Oconran	Irish