William O Reilly to James O Rourke - 1881 Census household returns
- William O Reilly
- William T O Reilly
- Joseph O Rennis
- John O Rey
- Thomas O Rey
- Charles O Rielly
- Hugh O Rielly
- Patrick O Rielly
- Elizabeth B O Riely
- Jane O Riely
- David O Riley
- James O Riley
- Mary O Riley
- William Geo O Rill
- Mickell O Rilley
- Martin O Roarke
- Dorothy A O Roche
- Barnard O Rook
- Timothy O Rooke
- Bernard James O Rorke
- John O Rorke
- John A O Rorke
- Thomas O Rorke
- Daniel O Rouke
- Edward O Rouke
- P V O O Rouke
- Thomas C O Rouke
- Cornelers O Rourk
- James O Rourk
- Annie O Rourke
- Bartholomew O Rourke
- Bridget O Rourke
- Charles O Rourke
- Daniel O Rourke
- Denis O Rourke
- Francis O Rourke
- Hugh O Rourke
- Hugh O Rourke
- James O Rourke
- James O Rourke