# 1940 United States Senate election in New Jersey

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vte :
The United States Senate election of 1940 in New Jersey was held on November 5, 1940.
Incumbent Republican Senator William Warren Barbour was re-elected over Democrat James H. R. Cromwell, who had recently been appointed United States Ambassador to Canada.

## Republican primary
### Candidates

* William Warren Barbour, incumbent Senator since 1938
* C. Dan Coskey, candidate for Senate in 1936 and 1938
* George O. Pullen, candidate for Senate in 1938

### Results

1940 Republican Senate special primary :
| Party | Party | Candidate | Votes | % |
| | Republican | William Warren Barbour (incumbent) | 390,155 | 86.17% |
| | Republican | George O. Pullen | 32,633 | 7.21% |
| | Republican | C. Dan Coskey | 29,991 | 6.62% |
| Total votes | Total votes | Total votes | 452,779 | 100.00% |

## Democratic primary
### Candidates

* James H. R. Cromwell, United States Ambassador to Canada

### Results

1940 Democratic U.S. Senate special primary :
| Party | Party | Candidate | Votes | % |
| | Democratic | James H. R. Cromwell | 243,608 | 100.0% |
| Total votes | Total votes | Total votes | 243,608 | 100.0% |

## General election
### Candidates

* William Warren Barbour (Republican), incumbent Senator
* George Breitman (Socialist Workers), activist and editor of The Militant
* McAlister Coleman (Socialist), journalist and author
* James H. R. Cromwell (Democrat), United States Ambassador to Canada
* Mary E. Dooner (Communist)
* Edson R. Leach (Prohibition)
* Harry Santhouse (Socialist Labor)
* James A. Tumulty (Constitutional)

### Results

1940 United States Senate election in New Jersey :
| Party | Party | Candidate | Votes | % |
| | Republican | W. Warren Barbour (incumbent) | 1,029,331 | 55.11% |
| | Democratic | James H. R. Cromwell | 823,893 | 44.11% |
| | Socialist | McAlister Coleman | 8,836 | 0.47% |
| | Independent | James A. Tumulty Jr. | 2,784 | 0.15% |
| | Communist | Mary Ellen Dooner | 1,519 | 0.08% |
| | Prohibition | Edson R. Leach | 645 | 0.03% |
| | Socialist Labor | Harry Santhouse | 464 | 0.02% |
| | Socialist Workers | George Breitman | 303 | 0.02% |
| Majority | Majority | Majority | 225,438 | 11.00% |
| Turnout | Turnout | Turnout | 1,867,775 | |
| | Republican hold | Republican hold | Republican hold | Republican hold |