Katz Marriage Records: Groom Firstnames
- Malcolm (2)
- Manfred (2)
- Manny (2)
- Manuel (3)
- Marc (21)
- Marc S (1)
- Marcel (1)
- Marcus (1)
- Mario (1)
- Maritn (1)
- Mark (19)
- Markus (1)
- Marshall (4)
- Marshall P (1)
- Martin (56)
- Martin David (1)
- Martin Lou (1)
- Martin Murray (1)
- Martin Victor (1)
- Marton (1)
- Marvin (21)