Frank Hayes (unionist)

Frank J. Hayes
Hayes in 1911
27th Lieutenant Governor of Colorado
In office
January 12, 1937  January 10, 1939
GovernorTeller Ammons
Preceded byRay Herbert Talbot
Succeeded byJohn Charles Vivian
8th President of the United Mine Workers
In office
October 26, 1917  February 7, 1920
Preceded byJohn P. White
Succeeded byJohn L. Lewis
Vice President of the United Mine Workers
In office
January 21, 1910  October 26, 1917
Preceded byJohn P. White
Succeeded byJohn L. Lewis
Personal details
BornMay 4, 1882
What Cheer, Iowa, U.S.
DiedJune 10, 1948(1948-06-10) (aged 66)
Denver, Colorado, U.S.
Political partySocialist (before 1926)
Democratic (after 1926)
OccupationMiner, labor leader

Frank J. Hayes (May 4, 1882 – June 10, 1948) was an American miner and labor leader who served as president of the United Mine Workers of America (UMWA) from 1917 to 1919. Originally a Socialist, Hayes later joined the Democratic Party and was elected Lieutenant Governor of Colorado in 1936, serving a single two-year term.