Duffy Marriage Records: Groom Firstnames
- James T (1)
- James Thomas (1)
- James V (1)
- James William (1)
- Jeremiah (2)
- Jimmie (3)
- Jjoseph (1)
- John (120)
- John A (2)
- John F (1)
- John Francis (1)
- John J. (2)
- John James (1)
- John Joseph (1)
- John Mcgarvine (1)
- John P (1)
- John Paul (1)
- John Phillip (1)
- John T (1)
- John Taggart (1)
- Jon (1)
- Joseph (28)
- Joseph Anthony (1)
- Joseph J (1)
- Josesph (1)
- Jospeh (2)
- Justin (2)