# 1958 United States Senate election in Missouri

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vte :
The 1958 United States Senate election in Missouri was held on November 4, 1958.
Incumbent Senator Stuart Symington was re-elected to a second term in office.

## Democratic primary
### Candidates

* Lamar Dye, Gladstone resident
* Lawrence Hastings, Aurora resident
* Stuart Symington, incumbent Senator

### Results

1958 Democratic U.S. Senate primary :
| Party | Party | Candidate | Votes | % |
| | Democratic | Stuart Symington (incumbent) | 365,470 | 92.13% |
| | Democratic | Lawrence Hastings | 19,954 | 5.03% |
| | Democratic | Lamar Dye | 11,262 | 2.84% |
| Total votes | Total votes | Total votes | 396,686 | 100.00% |

## Republican primary
### Candidates

* Homer Cotton, nominee for Missouri's 8th congressional district in 1938
* Herman Grosby, perennial candidate
* Hazel Palmer, attorney, President of the Business and Professional Women's Foundation, and daughter of former U.S. Representative John William Palmer
* William McKinley Thomas, perennial candidate

### Results

Hazel Palmer became the first woman ever nominated for United States Senate in Missouri.
1958 Republican U.S. Senate primary :
| Party | Party | Candidate | Votes | % |
| | Republican | Hazel Palmer | 61,481 | 44.63% |
| | Republican | William McKinley Thomas | 36,438 | 26.45% |
| | Republican | Homer Cotton | 27,023 | 19.62% |
| | Republican | Herman G. Grosby | 12,818 | 9.31% |
| Total votes | Total votes | Total votes | 137,760 | 100.00% |

## General election
### Results

General election results :
| Party | Party | Candidate | Votes | % | ±% |
| | Democratic | Stuart Symington (incumbent) | 780,083 | 66.45% | 12.46 |
| | Republican | Hazel Palmer | 393,847 | 33.55% | 12.39 |
| Total votes | Total votes | Total votes | 1,173,930 | 100.00% |