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There are approximately 1,671 people named O'Neil in the UK. That makes it the 5,127th most common surname overall. Out of every million people in the UK, approximately 26 are named O'Neil.

Region of origin

British Isles

Country of origin

Ireland

Language of origin

Gaelic

Religion of origin

Christian

Classification

Celtic
From name of parent

Related and similar surnames

O'Neil
O'Nil
Ohnel
O'Nill
O'Nail
Ognel
O'Nel
O'Niell
Ohneal
O'Neils
O'Nille
O'Nell
O'Nele
Ognell
O'Neel
Oanal
O'Nniell
O'Nelle
O'Neell
O'Neal

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