November 1, 1950
Special Election
Special Election to fill the vacancy created by the resignation of State Senator Thomas F. Keating (SD-13).
| SD-13 | |||
| T. Fred Bagshaw | Nonpartisan | 30.1% | Loss |
| Ellis R. Dufficy | Nonpartisan | 14.7% | Loss |
| Harry Lutgens | Nonpartisan | 24.8% | Loss |
| John F. "Jack" McCarthy | Nonpartisan | 30.3% | Win |
