Records starting with O
- A: A to Z of records
- B: A to Z of records
- C: A to Z of records
- D: A to Z of records
- E: A to Z of records
- F: A to Z of records
- G: A to Z of records
- H: A to Z of records
- I: A to Z of records
- J: A to Z of records
- K: A to Z of records
- L: A to Z of records
- M: A to Z of records
- N: A to Z of records
- O: A to Z of records
- P: A to Z of records
- Q: A to Z of records
- R: A to Z of records
- S: A to Z of records
- T: A to Z of records
- U: A to Z of records
- V: A to Z of records
- W: A to Z of records
- Z: A to Z of records
- O
- Old French Cemetery (Reading)
- Old Links Golf Club, Heaton
- Oldhams County Primary School 1954-2004
- Oliver Cromwell Lodge, Bolton
- Openshaw, Abraham of Adlington
- Our Lady Baptisms (Aspull)
- Our Lady Immaculate (Bryn)
- Our Lady of Lourdes (Farnworth)
- Our Lady of the Well (Fernyhalgh)
- Over Hulton 1891-1898
- Over Hulton 1899-1900
- Over Hulton 1911-1922
- Over Hulton 1914-1972
- Over Hulton 1973-1989