The United States Senate elections of 1936 in New Jersey was held on November 3, 1936.
Incumbent Republican William W. Barbour, who was appointed and then elected to succeed Dwight Morrow, ran for a full term in office but was defeated by State Senator William H. Smathers. Democrats would not win this seat again until 1978, and would not win either seat until 1958.
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Text from the Wikipedia article “1936 United States Senate election in New Jersey”, available under CC BY-SA 4.0.