O'sullivan Name Origin, Meaning and Family History

Discover how your O'sullivan ancestors earned their living and spread across the country. Find out more about your family history by using the Free Search box.

Surname Distribution

Census frequency by county

Name Concentrations Within England and Wales

O'sullivan Surname Statistics

Top Professions for the O'sullivan family

Profession Census Frequency
Independant 1
Dyer 1

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