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 Results by county Magnuson: 50–60% 60–70% Cain: 50–60% 60–70% | |||||||||||||||||
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| Elections in Washington |
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The 1944 United States Senate election in Washington was held on November 7, 1944. Incumbent Democratic U.S. Senator Homer Bone resigned in April, having been appointed and confirmed to the United States Court of Appeals for the Ninth Circuit in April. Democratic U.S. Representative Warren Magnuson won the open race over Republican Harry Cain, the mayor of Tacoma and was appointed to the vacant seat.
The blanket primary was held on July 11, 1944.
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Democratic | Warren G. Magnuson | 118,586 | 34.86% | |
| Republican | Harry P. Cain | 67,350 | 19.80% | |
| Republican | Cameron Sherwood | 51,700 | 15.20% | |
| Democratic | Martin F. Smith | 25,605 | 7.53% | |
| Republican | Joseph A. Mallery | 18,364 | 5.40% | |
| Republican | Herb Sieler | 17,383 | 5.11% | |
| Democratic | John A. Hogg | 10,091 | 2.97% | |
| Republican | Stella Alene Blanchard | 6,191 | 1.82% | |
| Republican | Howard E. Foster | 6,140 | 1.80% | |
| Republican | Gordon B. Dodd | 5,393 | 1.59% | |
| Republican | J. Parkhurst Douglas | 4,330 | 1.27% | |
| Republican | Edwin L. Rice | 3,633 | 1.07% | |
| Republican | Charles Arlin Nave | 3,327 | 0.98% | |
| Republican | Clement L. Niswonger | 2,123 | 0.62% | |
| Total votes | 340,216 | 100.00% | ||
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Democratic | Warren G. Magnuson | 452,013 | 55.13% | |
| Republican | Harry P. Cain | 364,356 | 44.44% | |
| Socialist | Ray C. Roberts | 1,912 | 0.23% | |
| Prohibition | Josephine B. Sulston | 1,598 | 0.20% | |
| Total votes | 819,879 | 100.00% | ||
| Democratic hold | ||||
After the election, Governor Arthur B. Langlie appointed Magnuson to the vacant seat left by Bone's resignation, and he took office on December 14.
Cain would win election to Washington's other Senate seat in 1946 and served alongside Magnuson from 1947 to 1953.
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