O'connor Marriage Records: Groom Firstnames
- Francis J (2)
- Francis X (1)
- Francis Xavier (1)
- Frank (10)
- Frank G (1)
- Frank J (1)
- Fred (1)
- Frederick (3)
- Gary (3)
- Gavin (1)
- Geoffrey (1)
- George (16)
- George J (2)
- George Thomas (1)
- Gerald (11)
- Gerard (10)
- Gil Barnard (1)
- Gregory (4)
- Gregory J (1)
- Harold (2)
- Harris (1)
- Harry (1)
- Henry (2)
- Herbert (1)
- Herbut (4)
- Herman (1)
- Howard J (1)
- Hugh (2)
- Hurchell (2)
- Ivan (1)
- Ivor (1)
- 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)
- Jeffrey (3)
- Jeffroy (1)
- Jeremiah (12)
- Jeremiah B (1)
- Jerome (4)
- Jerry (2)
- Jesse (1)
- Joh (1)
- John (201)
- John A (2)
- 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)
- Kenneth (15)
- Kenneth Robert (1)
- Kevin (39)
- Kevin F (1)
- Kevin Gregory (1)
- Kevin M (1)
- Kieran (4)
- Kieth (1)
- King (1)
- Kyle (1)
- Ladwin (2)
- Laurence (1)
- Lawrence (5)
- Lenore (1)
- Leonard P (1)
- Leroy (1)
- Lloyd (2)
- Lorcan (1)
- Loxley (1)
- Luke (1)
- Marc (1)
- Marcus (1)
- Mark (8)
- Martin (3)
- Martin Frederick (1)
- Mathew (1)
- Matthew (8)
- Matthew J (1)
- Maurice (9)
- Maxie (1)
- Micah (1)
- Michael (114)
- Michael Christhoper (1)
- Michael Edward Patrick (1)
- Michael G (1)
- Michael G. (1)
- Michael J (2)
- Michael J. (1)
- Michael John (2)
- Michael Joseph (1)
- Michael P (1)
- Milton (2)
- Mitchell (1)
- Morgan (2)
- Myles (1)
- Naphtali (2)
- Nathaniel (1)
- Neal (1)
- Neil (2)