John Joseph O Loughlin to Dinah O Rourke - 1911 Census household returns
- John Joseph O Loughlin to Thomas O Mahony
- Thomas O Mahony to Edward O Malley
- Edward O Malley to John Henry O Malley
- John Stanley O Malley to Sarah O Malley
- Sarah O Malley to James O Mara
- James O Mara to Daniel O Meara
- Daniel George O Meara to Francis O Merea
- John O Meyer to William O Neal
- Arthur O Neale to Bridget O Neil
- Catherine O Neil to Ellen O Neil
- Ellen O Neil to James O Neil
- James O Neil to John O Neil
- John O Neil to Lawrence O Neil
- Lawrence Hugh O Neil to Patrick O Neil
- Patrick O Neil to Thomas O Neil
- Thomas O Neil to Ada O Neill
- Aeneas O Neill to Annie O Neill
- Annie F O Neill to Catherine O Neill
- Charles O Neill to David O Neill
- David O Neill to Edward F H O Neill
- Edward James O Neill to Edward O Neill
- Fanny O Neill to George Ed O Neill
- George Henry O Neill to Hugh O Neill
- Hugh O Neill to James O Neill
- James O Neill to James O Neill
- James Arthur O Neill to John O Neill
- John O Neill to John O Neill
- John O Neill to John Francis O Neill
- John Francis O Neill to Kate Beatrice O Neill
- Kathleen O Neill to Mary O Neill
- Mary O Neill to Michael O Neill
- Michael O Neill to Patrick O Neill
- Patrick O Neill to Peter O Neill
- Peter O Neill to Thomas O Neill
- Thomas O Neill to Thomas O Neill
- Thomas O Neill to William O Neill
- William O Neill to Mary O Nell
- Margaret O Nell to Ellen O Niell
- Fergus O Niell to Elizabeth Margaret O Ponnell
- James Arthur O Pray to Lily Belle O Regan
- Maurice O Regan to Elizabeth O Reilly
- Elizabeth O Reilly to John Charles Bernard O Reilly
- John J O Reilly to Richard Hartley O Reilly
- Robert O Reilly to Frederick O Roarke
- William O Roarke to Dinah O Rourke