O'connor Marriage Records: Groom Firstnames
- James (141)
- James Gerard (1)
- James Joseph (1)
- James Michael (1)
- James P (1)
- James W (1)
- James William (1)
- Jams (1)
- Jean (1)
- Jeffery (1)
- John Dominic (1)
- John F (5)
- John Francis (2)
- John G (1)
- John J (4)
- John J. (1)
- John Joseph (1)
- John M (2)
- John P (2)
- John Patrick (1)
- John T (1)
- John V (1)
- Jonathan E (1)
- Joseph (56)
- Joseph C (1)
- Joseph Gerard (1)
- Joseph Raymond (1)
- Josseph Patrick (1)
- Junior (1)
- Justin (1)