| Name | Surname | Province | Date of Birth | First Vows | Ordination | Perpetual vows | |||
|---|---|---|---|---|---|---|---|---|---|
| Fr. | Mariusz | Mazur | Polish Province | 16/03/1969 (52) | 15/09/1989 (32) | 22/04/1995 (26) | |||
| Cl. | Roman | Mazur | ---------- | ---------- | ---------- | ---------- | ---------- | Date of death: 17/06/1981 (40) | |
| Br. | John | Mazur | ---------- | ---------- | ---------- | ---------- | ---------- | Date of death: 20/06/1943 (78) | |
| Fr. | Jan | Mazurek | ---------- | ---------- | ---------- | ---------- | ---------- | Date of death: 15/03/2016 (5) | |
| Fr. | Alexander | McCauley | ---------- | ---------- | ---------- | ---------- | ---------- | Date of death: 14/11/2013 (8) | |
| Fr. | Murray | McDermott | Ontario Kentucky Province | 30/06/1948 (73) | 22/08/1968 (53) | 14/05/1977 (44) | |||
| Fr. | Richard | McGee | ---------- | ---------- | ---------- | ---------- | ---------- | Date of death: 14/08/2012 (9) | |
| Fr. | Terrance | McGuire | ---------- | ---------- | ---------- | ---------- | ---------- | Date of death: 03/10/2015 (6) | |
| Fr. | Patrick | McKelvie | Ontario Kentucky Province | 14/12/1945 (76) | 08/09/1964 (57) | 14/05/1977 (44) | |||
| Fr. | Cornelius | Mellen | ---------- | ---------- | ---------- | ---------- | ---------- | Date of death: 09/10/1956 (65) | |
| Fr. | Charles | Messler | ---------- | ---------- | ---------- | ---------- | ---------- | Date of death: 26/05/2017 (4) | |
| Fr. | Stefan | Meszkov | ---------- | ---------- | ---------- | ---------- | ---------- | Date of death: 29/01/1976 (45) | |
| Fr. | Bolesław | Micewski | ---------- | ---------- | ---------- | ---------- | ---------- | Date of death: 11/02/2020 (1) | |
| Fr. | Edwin | Michael | ---------- | ---------- | ---------- | ---------- | ---------- | Date of death: 27/04/1983 (38) | |
| Fr. | Stefan | Michalczyk | ---------- | ---------- | ---------- | ---------- | ---------- | Date of death: 04/10/1974 (47) | |
| Cl. | Michał | Michalski | Polish Province | 13/06/1997 (24) | 15/09/2017 (4) | ||||
| Fr. | Lloyd | Michaud | ---------- | ---------- | ---------- | ---------- | ---------- | Date of death: 14/03/2011 (10) | |
| Fr. | Ricardo | Michelin de Souza | South American Region | 15/10/1992 (29) | 08/12/2015 (6) | 08/08/2020 (1) | 08/12/2019 (2) | ||
| Cl. | Stanisław | Michno | ---------- | ---------- | ---------- | ---------- | ---------- | Date of death: 28/06/1955 (66) | |
| Fr. | Antoni | Miechoński | ---------- | ---------- | ---------- | ---------- | ---------- | Date of death: 29/08/1971 (50) | |
| Fr. | Władysław | Miernik | ---------- | ---------- | ---------- | ---------- | ---------- | Date of death: 21/08/1978 (43) | |
| Br. | Francis | Mierzwa | ---------- | ---------- | ---------- | ---------- | ---------- | Date of death: 09/01/1911 (110) | |
| Fr. | Paweł | Miętki | ---------- | ---------- | ---------- | ---------- | ---------- | Date of death: 26/05/2010 (11) | |
| Fr. | Krzysztof | Miętki | Polish Province | 28/08/1969 (52) | 15/09/1989 (32) | 22/04/1995 (26) | 08/12/1993 (28) | ||
| Fr. | Jan | Mika | ---------- | ---------- | ---------- | ---------- | ---------- | Date of death: 15/06/2003 (18) | |
| Fr. | Walter | Mikosz | ---------- | ---------- | ---------- | ---------- | ---------- | Date of death: 08/09/1965 (56) | |
| Fr. | Andrew | Mikosz | ---------- | ---------- | ---------- | ---------- | ---------- | Date of death: 22/07/1943 (78) | |
| Fr. | Kazimierz | Mikucki | Polish Province | 02/12/1951 (70) | 15/08/1977 (44) | 14/05/1983 (38) | |||
| Fr. | John | Miles | ---------- | ---------- | ---------- | ---------- | ---------- | Date of death: 20/11/2017 (4) | |
| Fr. | John | Miles (Miliszkiewicz) | ---------- | ---------- | ---------- | ---------- | ---------- | Date of death: 10/10/1990 (31) | |
| Fr. | Felix | Miliszkiewicz | ---------- | ---------- | ---------- | ---------- | ---------- | Date of death: 31/08/1994 (27) | |
| Cl. | Szymon | Minkowski | Polish Province | 30/01/1994 (27) | 18/09/2015 (6) | ||||
| Fr. | Evandro | Miranda Rosa | South American Region | 21/07/1975 (46) | 02/02/1996 (25) | 08/09/2001 (20) | 02/02/2000 (21) | ||
| Br. | Marian | Misiorny | ---------- | ---------- | ---------- | ---------- | ---------- | Date of death: 03/12/1961 (60) | |
| Fr. | Chester | Mitoraj | ---------- | ---------- | ---------- | ---------- | ---------- | Date of death: 04/03/2005 (16) | |
| Fr. | Edwin | Mitrenga | ---------- | ---------- | ---------- | ---------- | ---------- | Date of death: 28/05/1985 (36) | |
| Fr. | John | Mix | ---------- | ---------- | ---------- | ---------- | ---------- | Date of death: 14/12/1988 (33) | |
| Cl. | Francis Peter | Mkata | Generalate | 14/08/1996 (25) | 15/09/2020 (1) | ||||
| Fr. | Wojciech | Mleczko | Polish Province | 23/07/1980 (41) | 15/09/2001 (20) | 28/04/2007 (14) | |||
| Br. | Pasquale | Mollicone | ---------- | ---------- | ---------- | ---------- | ---------- | Date of death: 02/05/1901 (120) | |
| Dcn. | Bartłomiej | Morawiec | ---------- | ---------- | ---------- | ---------- | ---------- | Date of death: 12/09/1903 (118) | |
| Br. | Francesco | Moron | ---------- | ---------- | ---------- | ---------- | ---------- | Date of death: 27/01/1873 (148) | |
| Fr. | Krzysztof | Mortka | Polish Province | 30/05/1956 (65) | 15/09/1984 (37) | 12/12/1987 (34) | |||
| Br. | Victor | Moscinski | ---------- | ---------- | ---------- | ---------- | ---------- | Date of death: 23/06/1992 (29) | |
| Fr. | August | Mosser | ---------- | ---------- | ---------- | ---------- | ---------- | Date of death: 29/04/1930 (91) | |
| Fr. | Wincenty | Moszyński | ---------- | ---------- | ---------- | ---------- | ---------- | Date of death: 21/02/1920 (101) | |
| Fr. | Władysław | Motała | ---------- | ---------- | ---------- | ---------- | ---------- | Date of death: 23/10/1987 (34) | |
| Fr. | Antônio | Motyka | South American Region | 12/06/1969 (52) | 15/09/1989 (32) | 22/04/1995 (26) | 08/12/1993 (28) | ||
| Fr. | David | Mowat | Ontario Kentucky Province | 15/07/1936 (85) | 08/09/1956 (65) | 30/03/1963 (58) | |||
| Fr. | Jerzy | Mrówczyński | ---------- | ---------- | ---------- | ---------- | ---------- | Date of death: 12/04/2008 (13) |
