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
Omalinn	Irish
Omalley	Irish	The descendant of 'Malley;' 'Mala,' G...
Omallon	Irish
Omalone	Irish
Oman	Irish
Omanahan	Irish
Omand	Irish
Omangan	Irish
Omannin	Irish
Omara	Irish
Omarkey	Irish
Omarley	Irish
Omarron	Irish
Omay	Irish
Omeara	Irish
Omeenan	Irish
Omeere	Irish
Omellan	Irish
Omellerick	Irish
Omelody	Irish
Omerry	Irish
Omescall	Irish
Omilligan	Irish
Ominogue	Irish
Omoher	Irish
Omohir	Irish

Name	Origin	Meaning
Omolan	Irish
Omolina	Irish
Omonahan	Irish
Omond	Irish
Omoonan	Irish
Omooney	Irish
Omore	Irish
Omoriarty	Irish
Omoroney	Irish
Omoy	Irish
Omoye	Irish
Omoynihan	Irish
Omrod	Irish	Local: Of Ormerod, i.e. Ormeroyd; Orm...
Omuckian	Irish
Omulally	Irish
Omulcahy	Irish
Omulconry	Irish
Omulderrig	Irish
Omuldoon	Irish
Omulfaal	Irish
Omulgeehy	Irish
Omulhall	Irish
Omulhern	Irish
Omullan	Irish