1940 United States Senate election in Wyoming

The 1940 United States Senate election in Wyoming took place on November 5, 1940. Democratic Senator Joseph C. O'Mahoney ran for re-election to a second full term. He faced Republican Milward Simpson, a member of the University of Wyoming Board of Trustees and a former State Representative, in the general election. Though the presidential election in Wyoming was relatively close, O'Mahoney outperformed President Franklin D. Roosevelt's narrow win, and defeated Simpson in a landslide to win his second term.

Democratic primary

Candidates

Joseph C. O'Mahoney, incumbent U.S. Senator
Cecil W. Clark, former Weston County Prosecuting Attorney^[1]

Results

Democratic primary^[2]
Party		Candidate	Votes	%
	Democratic	Joseph C. O'Mahoney (inc.)	25,473	90.45%
	Democratic	Cecil W. Clark	2,688	9.55%
Total votes			28,161	100.00%

Republican primary

Candidates

Milward Simpson, member of the University of Wyoming Board of Trustees, former State Representative
Harry B. Henderson, Jr., State Senator^[3]
Charles E. Winter, former U.S. Congressman
Irving W. Dinsmore, former State Senator^[4]
R. R. Crow, State Representative^[5]

Results

Republican primary^[2]
Party		Candidate	Votes	%
	Republican	Milward Simpson	12,014	37.47%
	Republican	Harry B. Henderson, Jr.	8,816	27.49%
	Republican	Charles E. Winter	6,128	19.11%
	Republican	Irving W. Dinsmore	2,910	9.08%
	Republican	R. R. Crow	2,197	6.85%
Total votes			32,065	100.00%

General election

Results

1940 United States Senate election in Wyoming^[2]
Party		Candidate	Votes	%	±%
	Democratic	Joseph C. O'Mahoney (inc.)	65,022	58.74%	+2.11%
	Republican	Milward Simpson	45,682	41.26%	-1.69%
Majority			19,340	17.47%	+3.80%
Turnout			110,704
	Democratic hold

References

^ "Newcastle Attorney Enters Campaign for Senate Seat". Casper Star-Tribune. Casper, Wyo. March 18, 1940. p. 1.
^ ^a ^b ^c Hunt, Lester C. (1941). 1941 Official Directory of Wyoming and Election Returns for 1940. Casper, Wyo.: Prairie Publishing Co. pp. 70–74.
^ "Harry Henderson In Senate Race". Casper Star-Tribune. Casper, Wyo. February 29, 1940. p. 1.
^ "I. W. DInsmore of Rawlins Enters Race for Senate". Casper Star-Tribune. Casper, Wyo. March 20, 1940. p. 1.
^ "Saratoga Man Enters Race for U.S. Senate: R. R. Crow Is One of Five Republican Candidates; Other Filings Announced". Casper Star-Tribune. Casper, Wyo. July 22, 1940. p. 1.

[1] "Newcastle Attorney Enters Campaign for Senate Seat". Casper Star-Tribune. Casper, Wyo. March 18, 1940. p. 1.

[1941_directory-2] Hunt, Lester C. (1941). 1941 Official Directory of Wyoming and Election Returns for 1940. Casper, Wyo.: Prairie Publishing Co. pp. 70–74.

[3] "Harry Henderson In Senate Race". Casper Star-Tribune. Casper, Wyo. February 29, 1940. p. 1.

[4] "I. W. DInsmore of Rawlins Enters Race for Senate". Casper Star-Tribune. Casper, Wyo. March 20, 1940. p. 1.

[5] "Saratoga Man Enters Race for U.S. Senate: R. R. Crow Is One of Five Republican Candidates; Other Filings Announced". Casper Star-Tribune. Casper, Wyo. July 22, 1940. p. 1.

[1]

[2]

[3]

[4]

[5]

v t e (1939 ←) 1940 United States elections (→ 1941)
U.S. President	Alabama Arizona Arkansas California Colorado Connecticut Delaware Florida Georgia Idaho Illinois Indiana Iowa Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Ohio Oklahoma Oregon Pennsylvania Rhode Island South Carolina South Dakota Tennessee Texas Utah Vermont Virginia Washington West Virginia Wisconsin Wyoming
U.S. Senate	Arizona California Connecticut Delaware Florida Idaho (Special) Illinois (Special) Indiana Kentucky (Special) Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana Nebraska Nevada New Jersey New Mexico New York North Dakota Ohio Pennsylvania Rhode Island Tennessee Texas Utah Vermont Vermont (Special) Virginia Washington West Virginia Wisconsin Wyoming
U.S. House of Representatives	Alabama 7th sp Arizona Arkansas California Colorado 3rd sp Connecticut Delaware Florida Georgia 8th sp Hawaii Territory Idaho Illinois Indiana Iowa 6th sp Kansas Kentucky Louisiana Maine 2nd sp Maryland Massachusetts Michigan 5th sp Minnesota Mississippi Missouri Montana Nebraska 1st sp Nevada New Hampshire New Jersey New Mexico New York 14th sp 22nd sp 31st sp North Carolina 1st sp North Dakota Ohio 7th sp 22nd sp Oklahoma Oregon Pennsylvania Rhode Island South Carolina South Dakota Tennessee 9th (sp) Texas Utah Vermont Virginia Washington West Virginia Wisconsin Wyoming
Gubernatorial	Arizona Arkansas Colorado Connecticut Delaware Florida Georgia Idaho Illinois Indiana Iowa Kansas Louisiana Maine Massachusetts Michigan Minnesota Lt. Gov Missouri Lt. Gov Montana Nebraska Lt. Gov New Hampshire New Jersey New Mexico North Carolina Lt. Gov North Dakota Ohio Rhode Island South Dakota Tennessee Texas Utah Vermont Washington West Virginia Wisconsin
State legislatures	Iowa Senate
General	Alabama Arizona Arkansas California Colorado Connecticut Delaware Florida Georgia Idaho Illinois Indiana Iowa Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Ohio Oklahoma Oregon Pennsylvania Puerto Rico Rhode Island South Carolina South Dakota Tennessee Texas Utah Vermont Virginia Washington West Virginia Wisconsin Wyoming

1940 United States Senate election in Wyoming

Democratic primary

Candidates

Results

Republican primary

Candidates

Results

General election

Results

References

Navigation menu

Search