# 1934 United States Senate elections in Wyoming

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The 1934 United States Senate elections in Wyoming took place on November 6, 1934. Incumbent Democratic Senator John B. Kendrick died on November 3, 1933, and Joseph C. O'Mahoney was appointed by Governor Leslie A. Miller as Kendrick's replacement. Two elections for the same Senate seat were held on the same day; one as a special election to fill the remainder of Kendrick's original six-year term, and another to select a Senator to serve the next six-year term. O'Mahoney ran for re-election in both elections. He was opposed by Republican Congressman Vincent Carter. Aided by the strong performance by the Democratic Party throughout the country in 1934, and by Governor Miller's landslide re-election, O'Mahoney handily defeated Carter to win re-election.

## Democratic primary
### Candidates

* Joseph C. O'Mahoney, incumbent U.S. Senator

### Results
#### Regular election

Democratic primary :
| Party | Party | Candidate | Votes | % |
| | Democratic | Joseph C. O'Mahoney (inc.) | 25,012 | 100.00% |
| Total votes | Total votes | Total votes | 25,012 | 100.00% |

#### Special election

Special Democratic primary :
| Party | Party | Candidate | Votes | % |
| | Democratic | Joseph C. O'Mahoney (inc.) | 25,088 | 100.00% |
| Total votes | Total votes | Total votes | 25,088 | 100.00% |

## Republican primary
### Candidates

* Vincent Carter, U.S. Congressman from Wyoming's at-large congressional district
* J. Elmer Brock, Vice-President of the Wyoming Stock Growers Association
* Harry P. Ilsley, Judge on the Seventh Judicial District of Wyoming (only filed for the regular election)
* M. A. Underwood, rancher (only filed for the regular election)

#### Dropped out

* Charles E. Winter, former U.S. Congressman from Wyoming's at-large congressional district (running for Congress)

### Results
#### Regular election

Republican primary :
| Party | Party | Candidate | Votes | % |
| | Republican | Vincent Carter | 19,842 | 57.58% |
| | Republican | J. Elmer Brock | 6,844 | 19.86% |
| | Republican | Harry P. Ilsley | 6,683 | 19.39% |
| | Republican | M. A. Underwood | 1,093 | 3.17% |
| Total votes | Total votes | Total votes | 34,462 | 100.00% |

#### Special election

Special Republican primary :
| Party | Party | Candidate | Votes | % |
| | Republican | Vincent Carter | 23,112 | 70.38% |
| | Republican | J. Elmer Brock | 9,728 | 29.62% |
| Total votes | Total votes | Total votes | 32,840 | 100.00% |

## General election
### Results
#### Regular election

1934 United States Senate election in Wyoming :
| Party | Party | Candidate | Votes | % | ±% |
| | Democratic | Joseph C. O'Mahoney (inc.) | 53,806 | 56.62% | +3.13% |
| | Republican | Vincent Carter | 40,819 | 42.96% | −3.14% |
| | Socialist | Joseph N. Lunn | 401 | 0.42% | +0.01% |
| Majority | Majority | Majority | 12,987 | 13.67% | +6.26% |
| Turnout | Turnout | Turnout | 95,026 | | |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold | Democratic hold |

#### Special election

1934 United States Senate special election in Wyoming :
| Party | Party | Candidate | Votes | % | ±% |
| | Democratic | Joseph C. O'Mahoney (inc.) | 53,859 | 56.88% | +3.39% |
| | Republican | Vincent Carter | 40,825 | 43.12% | −2.97% |
| Majority | Majority | Majority | 13,034 | 13.77% | +6.36% |
| Turnout | Turnout | Turnout | 94,684 | | |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold | Democratic hold |