Frank O. Mattox

Navajo County. His second term was during the 3rd Arizona State Legislature, where he also represented Navajo County, but this time in the State Senate.^[1][2]

Santa Fe Railroad as a conductor for over 20 years. In 1924 he resigned from the railroad and took a full-time position managing the Hall Lumber Company in Winslow, Arizona. Mattox had been a vice-president of the company for two years prior to accepting the full-time job.^[3] Mattox was married, but divorced his wife, Martha A. Mattox, on the grounds of desertion in 1916.^[4]

Navajo County. He defeated Benjamin Downs for the Democrat nomination, and then defeated A. H. Hansen in the general election in December.^[5][6] In May 1912, during the third special session of the legislature, Mattox introduced a resolution asking that Arizona ratify the Seventeenth Amendment to the United States Constitution. If it had passed quickly, Arizona would have been the first state to ratify.^[7] However, Massachusetts ratified the amendment on May 22, Arizona was the second state, on June 3.^[8] He did not run for re-election for the House in 1914, but ran for the State Senate in 1916. He was the only candidate on the Democrat's side.^[9] He narrowly defeated Republican E. T. Fanning in the general election, 839 to 810.^[10] He did not run for re-election in 1918.^[11]