If you have information regarding the death of an alumni, faculty or staff member, please email Paul Scott at pjscott51@flaget.org or Mark McWhorter at mmcwhorter@iglou.com.
| Last Name | First Name | Class/Role | Date of Death |
|---|---|---|---|
| Mills | Kendrick Nolan | 1948 | May 1, 2013 |
| Milner | Joseph E. | 1948 | |
| Milner | Stanley T. | 1949 | |
| Minch | Alfred W. | 1945 | March 10, 2013 |
| Minch | John W. | 1952 | |
| Mingus | James B. | 1956 | December 7, 2019 |
| Mingus | Alfred L. | 1950 | November 9, 2014 |
| Mingus | John R. | 1951 | April 20, 2020 |
| Minogue | C. Patrick | 1953 | October 9, 2022 |
| Minton | James B. | 1963 | October 1, 2013 |
| Mitchell | Henry G. | 1958 | |
| Mitchell | James S. | 1956 | October 24, 2019 |
| Mitchell | Robert W. "Bob | 1955 | January 25, 2021 |
| Mitchell Jr. | Charles E. | 1959 | |
| Mittel | R. Joseph | 1950 | |
| Modesty | Joseph T. | 1956 | |
| Moeller | Larry Joe | 1964 | September 14, 1994 |
| Moeller | Robert L. | 1962 | March 18, 2008 |
| Moert Jr. | Joseph B. | 1947 | July 18, 2004 |
| Moffett | Alvin Dennis | 1953 | March 3, 1992 |
| Monahan | James A. | Brother | |
| Monin | Joseph L. | 1960 | |
| Monks | Donald E. | 1959 | April 17, 2011 |
| Monks | Gordon A. | 1949 | August 1, 1999 |
| Monks | James G. | 1947 | July 26, 2016 |
| Monks | John William | 1951 | June 12, 2005 |
| Monsour | John E. | 1957 | July 28, 2025 |
| Monsour | Nash Joseph | 1959 | March 29, 2024 |
| Montgomery Jr. | Stephen Elroy "Steve | 1954 | May 26, 2022 |
| Mooney | Joseph I. | 1949 | |
| Mooney | Patrick Michael | 1967 | March 31, 2022 |
| Mooney | Thomas G. | 1957 | October 11, 1991 |
| Mooney, C.F.X. | Br. Adrian | Brother | |
| Moore | Charles Everett | 1957 | August 14, 2020 |
| Moore | John Curtis | 1964 | January 26, 2021 |
| Moore | Joseph W. | 1955 | |
| Moore | Kenneth E. | 1952 | June 10, 2017 |
| Moore | William E. | 1961 | August 7, 2007 |
| Moorman, Jr. | Frank L. | 1967 | September 14, 1997 |
| Moran, C.F.X. | Br. Casimir | Brother | |
| Morehead | Terry E | 1964 | September 24, 1999 |
| Moriarty | Edward J. | 1950 | |
| Moriarty | George H. | 1949 | January 18, 2006 |
| Moriarty | James Thomas | 1947 | December 15, 1995 |
| Morris | George E. | 1964 | December 23, 2016 |
| Morris | James F. | Lay Faculty | June 3, 2023 |
| Morris | Thomas M. | 1953 | |
| Morris | Yolanda L. | 1974 | December 31, 2023 |
| Morris Jr. | Kenneth Edward | 1961 | November 20, 2022 |
| Morrison | Thomas Lamont | 1968 | October 24, 2007 |