Class 1 U. S. Senators belong to the electoral cycle that has recently been contested in 1994, 2000, 2006, and 2012, etc.
Frank J. Cannon, Republican
Time in Office: January 22, 1896–March 3, 1899
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Thomas Kearns, Republican
Time in Office: January 23, 1901–March 3, 1905
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George Sutherland, Republican
Time in Office: March 4, 1905–March 3, 1917
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William H. King, Democrat
March 4, 1917–January 3, 1941
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Abe Murdock, Democratic
Time in Office: January 3, 1941–January 3, 1947
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Arthur Vivian Watkins, Republican
Time in Office: January 3, 1947–January 3, 1959
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Frank E. Moss, Democrat
Time in Office: January 3, 1959–January 3, 1977
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Orrin Hatch, Republican
Time in Office: January 3, 1977–January 3, 2019
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Mitt Romney, Republican
Time in Office: January 3, 2019-Present
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Class 2 U. S. Senators belong to the electoral cycle that has recently been contested in 1998, 2004, and 2010, etc.
Arthur Brown, Republican
Time in Office: January 22, 1896–March 3, 1897
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Joseph L. Rawlins, Democrat
Time in Office: March 4, 1897–March 3, 1903
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Reed Smoot, Republican
Time in Office: March 4, 1903–March 3, 1988
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Elbert D. Thomas, Democrat
Time in Office: March 4, 1933–January 3, 1951
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Wallace F. Bennett, Republican
Time in Office: January 3, 1951–December 20, 1974
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Jake Garn, Republican
Time in Office: December 21, 1974–January 3, 1993
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Bob Bennett, Republican
Time in Office: January 3, 1993–January 3, 2011
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Mike Lee, Republican
Time in Office: January 3, 2011–present