Mary O'brian to Thomas O'brian - 1881 Census household returns
- Mary O'brian
- Mary O'brian
- Mary O'brian
- Michael O'brian
- Michael O'brian
- Michael O'brian
- Michael O'brian
- Michael O'brian
- Michael O'brian
- Michael O'brian
- Michael O'brian
- Michael O'brian
- Michal O'brian
- Michel O'brian
- Morris O'brian
- Nicholas O'brian
- Nicholas O'brian
- Nicholas O'brian
- Owen O'brian
- Patrick O'brian
- Patrick O'brian
- Patrick O'brian
- Patrick O'brian
- Patrick O'brian
- Patrick O'brian
- Patrick O'brian
- Patrick O'brian
- Patrick O'brian
- Patrick O'brian
- Patrick O'brian
- Patrick O'brian
- Peter O'brian
- Peter O'brian
- Philip O'brian
- Richard O'brian
- Robert O'brian
- Samuel O'brian
- Terence O'brian
- Thomas O'brian
- Thomas O'brian