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 |
|---|---|---|---|
| Osterman | Kirk A. | 1967 | July 9, 1993 |
| Osting | James E. | 1957 | February 20, 2016 |
| Oswald | James H. | 1951 | May 25, 2010 |
| Ott | Donald F. | 1953 | |
| Owens | Michael Whalen | 1961 | October 28, 1998 |
| Owens Jr. | Milton B. | 1959 | October 15, 1988 |
| Padgett | Robert L. | 1962 | |
| Paine, Jr. | Claude Nicholas "Nick | 1966 | November 23, 2023 |
| Palmer, C.F.X. | Br. Gerardus | Brother | |
| Parsons | Ronald J. | 1952 | |
| Passafiume Jr. | Anthony J. | 1952 | February 15, 2023 |
| Pawley | Lewis Beckham | 1949 | July 5, 2006 |
| Payne | James D. | 1955 | |
| Peacock | Richard A. | 1956 | June 13, 2014 |
| Peak | Donald A. | 1952 | January 3, 2022 |
| Peak | James B. | 1947 | |
| Peak | Joseph R | 5/9/1905 | February 12, 2024 |
| Peak | Leon Francis | 1951 | August 5, 2002 |
| Peak | Norbert Alfred | 1951 | May 2, 2025 |
| Peak | Robert J. | 1948 | May 14, 2008 |
| Peak | Robert Leo | 1952 | May 14, 1998 |
| Peak | Robert Mathew | 1947 | October 28, 1994 |
| Peak | William L. | 1949 | June 20, 2000 |
| Pearl | James Robert "Juggy | 1965 | July 12, 2022 |
| Pearl Jr. | George W. | 1964 | June 22, 2014 |
| Peay | Virgil A. | 1962 | October 22, 2012 |
| Pendleton | Daniel Augustine | 1954 | October 25, 2022 |
| Pendleton | Sterling J. | 1958 | April 25, 2014 |
| Pepper | Charles Edward "Buddy | 1953 | May 7, 2018 |
| Peter, Jr. | William Bernard | 1954 | May 19, 2011 |
| Peterworth Sr. | Anthony F. | 1953 | March 15, 2012 |
| Peyton | Robert Reed | 1956 | September 17, 2007 |
| Pfaadt | Norman A. | 1953 | |
| Pfeifer | Joseph Albert | 1955 | November 6, 2024 |
| Pfeiffer | Donald F. | 1948 | |
| Pfeiffer | Eugene J. | 1947 | July 9, 2015 |
| Pfeiffer | Thomas Llindsey | 1955 | December 11, 2001 |
| Pfersching | William L. | 1960 | |
| Pfister | Charles E. | 1968 | June 17, 2008 |
| Phelan | William H. | 1949 | April 26, 2015 |
| Phelps | David R. | 1958 | July 13, 2016 |
| Phillips | Charles L. | 1969 | December 19, 2018 |
| Phillips | James M. | 1953 | April 9, 2016 |
| Phillips | Kenneth L. | 1950 | September 28, 2012 |
| Phillips | Louis A. | 1951 | August 26, 2023 |
| Philo | Raymond C. | 1962 | |
| Pierce | Robert Leo | 1946 | November 27, 1994 |
| Pierce | William E. | 1949 | |
| Pike | Eugene W. | 1953 | August 11, 2022 |
| Pirrman | Robert L. | 1956 |