Henry O'neall to George Oaden - 1881 Census household returns
- Henry O'neall to Barnord O'neil
- Bernard O'neil to Charles O'neil
- Charles O'neil to David O'neil
- Denis O'neil to Felix O'neil
- Felix O'neil to Henry O'neil
- Henry O'neil to James O'neil
- James O'neil to James O'neil
- James O'neil to John O'neil
- John O'neil to John O'neil
- John O'neil to John O'neil
- John O'neil to Mary O'neil
- Mary O'neil to Mathew O'neil
- Matthew O'neil to Patrick O'neil
- Patrick O'neil to Peter O'neil
- Philip O'neil to Thomas O'neil
- Thomas O'neil to William O'neil
- William O'neil to Bernard O'neill
- Bernard O'neill to Daniel O'neill
- David O'neill to Francis O'neill
- Frank O'neill to James O'neill
- James O'neill to James F O'neill
- Jane O'neill to John O'neill
- John O'neill to John O'neill
- John Augustus O'neill to Mary O'neill
- Mary O'neill to Patrick O'neill
- Patrick O'neill to Thomas O'neill
- Thomas O'neill to Winifred O'neill
- Thomas O'neilson to Margaret O'niel
- Margaret O'niel to John O'niell
- John O'niell to Michael O'regan
- Timothy O'regan to Thomas O'reilly
- Thomas G O'reilly to Timothy O'riordan
- Charles O'rising to Ann O'rourke
- Bernard O'rourke to Patrick O'rourke
- Patrick O'rourke to John O'shaughnessy
- John O'shaughnessy to Joseph E O'shea
- Mary O'shea to Dennis O'sullivan
- Eugen O'sullivan to Arthur P O'toole
- Bernard O'toole to Patrick O`brien
- James O`brin to George Oaden