| PhD Year | Name | Adviser |
| 1955 | Barbara Jean Beechler (1928–2003) | Harry T. Muhly |
| 1955 | Kathleen Lucille Powell Ellis (1921–2011) | E.W. Chittenden |
American women mathematics PhDs 1940-1959
| PhD Year | Name | Adviser |
| 1955 | Barbara Jean Beechler (1928–2003) | Harry T. Muhly |
| 1955 | Kathleen Lucille Powell Ellis (1921–2011) | E.W. Chittenden |