| Name | Surname | Province | Date of Birth | First Vows | Ordination | Perpetual vows | |||
|---|---|---|---|---|---|---|---|---|---|
| Fr. | Charles | Mrowinski | ---------- | ---------- | ---------- | ---------- | ---------- | Date of death: 27/09/2008 (13) | |
| Fr. | Jan | Muller | ---------- | ---------- | ---------- | ---------- | ---------- | Date of death: 08/08/1973 (48) | |
| Bp. | Bernard | Murphy | ---------- | ---------- | ---------- | ---------- | ---------- | Date of death: 22/05/1974 (47) | |
| Br. | Franciszek | Musiał | ---------- | ---------- | ---------- | ---------- | ---------- | Date of death: 06/06/1906 (115) | |
| Fr. | Leonard | Mustal (Musial) | ---------- | ---------- | ---------- | ---------- | ---------- | Date of death: 26/05/1975 (46) | |
| Br. | Franciszek | Myrczyk | ---------- | ---------- | ---------- | ---------- | ---------- | Date of death: 26/11/1875 (146) | |
| Fr. | John | Mysliwiec | ---------- | ---------- | ---------- | ---------- | ---------- | Date of death: 24/08/1974 (47) | |
| Fr. | Henryk | Młoczkowski | ---------- | ---------- | ---------- | ---------- | ---------- | Date of death: 28/01/2000 (21) | |
| Fr. | Mieczysław | Młynarczyk | Polish Province | 01/01/1967 (54) | 15/09/1987 (34) | 29/06/1993 (28) | |||
| Br. | John | Nagle | ---------- | ---------- | ---------- | ---------- | ---------- | Date of death: 05/05/1873 (148) | |
| Fr. | John | Nagorznik | ---------- | ---------- | ---------- | ---------- | ---------- | Date of death: 04/11/1908 (113) | |
| Fr. | Andrzej | Napiecek | Polish Province | 25/10/1952 (69) | 15/08/1973 (48) | 08/04/1979 (42) | |||
| Fr. | Thaddeus | Napiorkowski | ---------- | ---------- | ---------- | ---------- | ---------- | Date of death: 22/05/1995 (26) | |
| Br. | John | Nawrocki | ---------- | ---------- | ---------- | ---------- | ---------- | Date of death: 13/05/1956 (65) | |
| Fr. | Wojciech | Niemier | ---------- | ---------- | ---------- | ---------- | ---------- | Date of death: 31/05/1951 (70) | |
| Fr. | Jan | Nikel | Polish Province | 09/02/1953 (68) | 15/08/1974 (47) | 15/06/1980 (41) | |||
| Fr. | Chester | Norkiewicz | ---------- | ---------- | ---------- | ---------- | ---------- | Date of death: 30/08/1999 (22) | |
| Fr. | Tadeusz | Nosal | Polish Province | 08/09/1944 (77) | 15/08/1961 (60) | 23/03/1969 (52) | |||
| Fr. | Wacław | Nowacki | ---------- | ---------- | ---------- | ---------- | ---------- | Date of death: 26/09/1895 (126) | |
| Fr. | Waldemar | Nowaczyk | 13/07/1971 (50) | 15/09/1991 (30) | 05/04/1997 (24) | ||||
| Fr. | George | Nowak | Ontario Kentucky Province | 09/04/1950 (71) | 26/08/1967 (54) | 17/05/1975 (46) | |||
| Fr. | John | Nowak | USA Province | 30/06/1944 (77) | 08/09/1963 (58) | 29/05/1971 (50) | |||
| Fr. | Henryk | Nowakowski | ---------- | ---------- | ---------- | ---------- | ---------- | Date of death: 16/06/1972 (49) | |
| Fr. | Lech | Nowiński | Polish Province | 19/06/1959 (62) | 15/09/1989 (32) | 12/05/1994 (27) | |||
| Cl. | Emmanuel | Ntula | Generalate | 14/02/1987 (34) | 15/09/2020 (1) | ||||
| Fr. | James | O'Connor | ---------- | ---------- | ---------- | ---------- | ---------- | Date of death: 26/09/1969 (52) | |
| Fr. | Frederick | Oberholzer | ---------- | ---------- | ---------- | ---------- | ---------- | Date of death: 05/09/1995 (26) | |
| Fr. | Leonard | Oberle | ---------- | ---------- | ---------- | ---------- | ---------- | Date of death: 24/02/1970 (51) | |
| Br. | Paweł | Obrębski | Polish Province | 14/08/1992 (29) | 15/09/2016 (5) | ||||
| Fr. | Józef | Obuchowski | ---------- | ---------- | ---------- | ---------- | ---------- | Date of death: 18/12/2020 (1) | |
| Fr. | John | Obyrtacz | ---------- | ---------- | ---------- | ---------- | ---------- | Date of death: 28/03/1935 (86) | |
| Cl. | Franciszek | Ofierzyński | ---------- | ---------- | ---------- | ---------- | ---------- | Date of death: 31/07/1895 (126) | |
| Fr. | Lesław | Ogryzek | Polish Province | 07/12/1960 (61) | 15/08/1981 (40) | 23/05/1987 (34) | 08/12/1985 (36) | ||
| Fr. | Ladislaus | Okulczyk | ---------- | ---------- | ---------- | ---------- | ---------- | Date of death: 14/12/1964 (57) | |
| Fr. | Luigi | Oldoini | ---------- | ---------- | ---------- | ---------- | ---------- | Date of death: 03/02/1884 (137) | |
| Fr. | Tadeusz | Olejniczak | ---------- | ---------- | ---------- | ---------- | ---------- | Date of death: 07/04/1933 (88) | |
| Br. | Feliks | Olejniczak | ---------- | ---------- | ---------- | ---------- | ---------- | Date of death: 15/07/1974 (47) | |
| Br. | Michael | Oleksiewicz | ---------- | ---------- | ---------- | ---------- | ---------- | Date of death: 19/09/1942 (79) | |
| Fr. | Michał | Oleksy | ---------- | ---------- | ---------- | ---------- | ---------- | Date of death: 02/12/1918 (103) | |
| Br. | Joseph | Olszewski | ---------- | ---------- | ---------- | ---------- | ---------- | Date of death: 09/10/1929 (92) | |
| Br. | Jan | Opanowicz | ---------- | ---------- | ---------- | ---------- | ---------- | Date of death: 06/12/1950 (71) | |
| Fr. | Henry | Opperman | ---------- | ---------- | ---------- | ---------- | ---------- | Date of death: 29/11/1975 (46) | |
| Fr. | Denis | Oross | ---------- | ---------- | ---------- | ---------- | ---------- | Date of death: 20/09/1991 (30) | |
| Fr. | Władysław | Orpiszewski | ---------- | ---------- | ---------- | ---------- | ---------- | Date of death: 02/12/1942 (79) | |
| Fr. | Aloysius | Orzechowski | ---------- | ---------- | ---------- | ---------- | ---------- | Date of death: 13/09/1998 (23) | |
| Br. | Joseph | Osowski | ---------- | ---------- | ---------- | ---------- | ---------- | Date of death: 28/11/1917 (104) | |
| Fr. | Bruno | Ostrega | ---------- | ---------- | ---------- | ---------- | ---------- | Date of death: 05/12/1986 (35) | |
| Fr. | Michał | Osuch | USA Province | 29/09/1953 (68) | 15/08/1974 (47) | 15/06/1980 (41) | |||
| Cl. | César | Otávio de Freitas | ---------- | ---------- | ---------- | ---------- | ---------- | Date of death: | |
| Fr. | Adam | Otrębski | Polish Province | 18/12/1964 (57) | 07/12/1985 (36) | 02/05/1992 (29) | 08/12/1990 (31) |
