<Table> <Tr> <Th> # </Th> <Th> Surname </Th> <Th> Modern Irish </Th> <Th> Original Irish </Th> <Th> Meaning </Th> </Tr> <Tr> <Td> </Td> <Td> Murphy </Td> <Td> Ó Murchú </Td> <Td> Ó Murchadha Mac Murchaidh </Td> <Td> Descendant of Murchadh ( a personal name meaning `` Sea hound / warrior '' ) </Td> </Tr> <Tr> <Td> </Td> <Td> ( O ' ) Kelly </Td> <Td colspan="2"> Ó Ceallaigh </Td> <Td> Descendant of Ceallach ( `` strife '' ) </Td> </Tr> <Tr> <Td> </Td> <Td> ( O ' ) Sullivan </Td> <Td colspan="2"> Ó Súilleabháin </Td> <Td> Descendant of Súilleabhán ( `` dark - eyed one '' , `` one - eyed '' or `` hawk - eyed '' ) </Td> </Tr> <Tr> <Td> </Td> <Td> Walsh </Td> <Td> Breathnach </Td> <Td> Breatnach </Td> <Td> `` Breton '' , `` Welshman '' </Td> </Tr> <Tr> <Td> 5 </Td> <Td> Smith </Td> <Td colspan="2"> Mac Gabhann </Td> <Td> Son of a smith </Td> </Tr> <Tr> <Td> 6 </Td> <Td> O'Brien </Td> <Td colspan="2"> Ó Briain </Td> <Td> Descendant of Brian </Td> </Tr> <Tr> <Td> 7 </Td> <Td> ( O ' ) Byrne </Td> <Td colspan="2"> Ó Broin </Td> <Td> Descendant of Bran </Td> </Tr> <Tr> <Td> 8 </Td> <Td> ( O ' ) Ryan </Td> <Td> Ó Riain </Td> <Td> Ó Riain Ó Maoilriain Ó Ruaidhín </Td> <Td> Descendant of Rian ( possibly meaning `` king '' ) Descendant of Maoilriaghan ( `` bald king '' ) Descendant of Ruaidhín ( `` little red - haired one '' ) </Td> </Tr> <Tr> <Td> 9 </Td> <Td> O'Connor </Td> <Td colspan="2"> Ó Conchobhair </Td> <Td> Descendant of Conchobhar ( `` hound / chief assistance '' ) </Td> </Tr> <Tr> <Td> 10 </Td> <Td> O'Neill </Td> <Td colspan="2"> Ó Néill </Td> <Td> Descendant of Niall ( possibly meaning `` cloud '' , `` passionate '' or `` champion '' ) </Td> </Tr> <Tr> <Td> 11 </Td> <Td> ( O ' ) Reilly </Td> <Td colspan="2"> Ó Raghallaigh </Td> <Td> Descendant of Raghallach </Td> </Tr> <Tr> <Td> 12 </Td> <Td> Doyle </Td> <Td colspan="2"> Ó Dubhghaill </Td> <Td> Descendant of Dubhghall ( `` dark - haired foreigner '' ) </Td> </Tr> <Tr> <Td> 13 </Td> <Td> McCarthy </Td> <Td colspan="2"> Mac Cárthaigh </Td> <Td> Son of Cárthach ( `` loving '' ) </Td> </Tr> <Tr> <Td> 14 </Td> <Td> ( O ' ) Gallagher </Td> <Td> Ó Gallchóir </Td> <Td> Ó Gallchobhair </Td> <Td> Descendant of Gallchobhar ( `` foreign assistance '' ) </Td> </Tr> <Tr> <Td> 15 </Td> <Td> ( O ' ) Doherty </Td> <Td colspan="2"> Ó Dochartaigh </Td> <Td> Descendant of Dochartach ( `` hurtful '' ) </Td> </Tr> <Tr> <Td> 16 </Td> <Td> Kennedy </Td> <Td> Ó Cinnéide </Td> <Td> Ó Ceannéidigh </Td> <Td> Descendant of Cinnéide ( `` ugly head '' ) </Td> </Tr> <Tr> <Td> 17 </Td> <Td> Lynch </Td> <Td colspan="2"> Ó Loingsigh </Td> <Td> Descendant of Loingseach ( `` longboat '' ) </Td> </Tr> <Tr> <Td> 18 </Td> <Td> Murray </Td> <Td> Ó Muireadhaigh </Td> <Td> Mac Muireadhaigh Mac Giolla Mhuire </Td> <Td> Descendant of Muireadhach ( `` chieftain '' ) Descendant of a servant of Mary </Td> </Tr> <Tr> <Td> 19 </Td> <Td> ( O ' ) Quinn </Td> <Td colspan="2"> Ó Cuinn / Coinne </Td> <Td> Descendant of Conn ( `` hound / chief '' ) </Td> </Tr> <Tr> <Td> 20 </Td> <Td> ( O ' ) Moore </Td> <Td colspan="2"> Ó Mórdha </Td> <Td> Descendant of Mórdha ( `` majestic '' ) </Td> </Tr> </Table>
<Table> <Tr> <Th> # </Th> <Th> Surname </Th> <Th> Modern Irish </Th> <Th> Original Irish </Th> <Th> Meaning </Th> </Tr> <Tr> <Td> </Td> <Td> Murphy </Td> <Td> Ó Murchú </Td> <Td> Ó Murchadha Mac Murchaidh </Td> <Td> Descendant of Murchadh ( a personal name meaning `` Sea hound / warrior '' ) </Td> </Tr> <Tr> <Td> </Td> <Td> ( O ' ) Kelly </Td> <Td colspan="2"> Ó Ceallaigh </Td> <Td> Descendant of Ceallach ( `` strife '' ) </Td> </Tr> <Tr> <Td> </Td> <Td> ( O ' ) Sullivan </Td> <Td colspan="2"> Ó Súilleabháin </Td> <Td> Descendant of Súilleabhán ( `` dark - eyed one '' , `` one - eyed '' or `` hawk - eyed '' ) </Td> </Tr> <Tr> <Td> </Td> <Td> Walsh </Td> <Td> Breathnach </Td> <Td> Breatnach </Td> <Td> `` Breton '' , `` Welshman '' </Td> </Tr> <Tr> <Td> 5 </Td> <Td> Smith </Td> <Td colspan="2"> Mac Gabhann </Td> <Td> Son of a smith </Td> </Tr> <Tr> <Td> 6 </Td> <Td> O'Brien </Td> <Td colspan="2"> Ó Briain </Td> <Td> Descendant of Brian </Td> </Tr> <Tr> <Td> 7 </Td> <Td> ( O ' ) Byrne </Td> <Td colspan="2"> Ó Broin </Td> <Td> Descendant of Bran </Td> </Tr> <Tr> <Td> 8 </Td> <Td> ( O ' ) Ryan </Td> <Td> Ó Riain </Td> <Td> Ó Riain Ó Maoilriain Ó Ruaidhín </Td> <Td> Descendant of Rian ( possibly meaning `` king '' ) Descendant of Maoilriaghan ( `` bald king '' ) Descendant of Ruaidhín ( `` little red - haired one '' ) </Td> </Tr> <Tr> <Td> 9 </Td> <Td> O'Connor </Td> <Td colspan="2"> Ó Conchobhair </Td> <Td> Descendant of Conchobhar ( `` hound / chief assistance '' ) </Td> </Tr> <Tr> <Td> 10 </Td> <Td> O'Neill </Td> <Td colspan="2"> Ó Néill </Td> <Td> Descendant of Niall ( possibly meaning `` cloud '' , `` passionate '' or `` champion '' ) </Td> </Tr> <Tr> <Td> 11 </Td> <Td> ( O ' ) Reilly </Td> <Td colspan="2"> Ó Raghallaigh </Td> <Td> Descendant of Raghallach </Td> </Tr> <Tr> <Td> 12 </Td> <Td> Doyle </Td> <Td colspan="2"> Ó Dubhghaill </Td> <Td> Descendant of Dubhghall ( `` dark - haired foreigner '' ) </Td> </Tr> <Tr> <Td> 13 </Td> <Td> McCarthy </Td> <Td colspan="2"> Mac Cárthaigh </Td> <Td> Son of Cárthach ( `` loving '' ) </Td> </Tr> <Tr> <Td> 14 </Td> <Td> ( O ' ) Gallagher </Td> <Td> Ó Gallchóir </Td> <Td> Ó Gallchobhair </Td> <Td> Descendant of Gallchobhar ( `` foreign assistance '' ) </Td> </Tr> <Tr> <Td> 15 </Td> <Td> ( O ' ) Doherty </Td> <Td colspan="2"> Ó Dochartaigh </Td> <Td> Descendant of Dochartach ( `` hurtful '' ) </Td> </Tr> <Tr> <Td> 16 </Td> <Td> Kennedy </Td> <Td> Ó Cinnéide </Td> <Td> Ó Ceannéidigh </Td> <Td> Descendant of Cinnéide ( `` ugly head '' ) </Td> </Tr> <Tr> <Td> 17 </Td> <Td> Lynch </Td> <Td colspan="2"> Ó Loingsigh </Td> <Td> Descendant of Loingseach ( `` longboat '' ) </Td> </Tr> <Tr> <Td> 18 </Td> <Td> Murray </Td> <Td> Ó Muireadhaigh </Td> <Td> Mac Muireadhaigh Mac Giolla Mhuire </Td> <Td> Descendant of Muireadhach ( `` chieftain '' ) Descendant of a servant of Mary </Td> </Tr> <Tr> <Td> 19 </Td> <Td> ( O ' ) Quinn </Td> <Td colspan="2"> Ó Cuinn / Coinne </Td> <Td> Descendant of Conn ( `` hound / chief '' ) </Td> </Tr> <Tr> <Td> 20 </Td> <Td> ( O ' ) Moore </Td> <Td colspan="2"> Ó Mórdha </Td> <Td> Descendant of Mórdha ( `` majestic '' ) </Td> </Tr> </Table>
what is the most common last name in ireland
what is the most common last name in ireland
Murphy
Murphy