Hiram Boles Riggs was also known as Hiram Bowls Riggs. Hiram Boles Riggs was born on 10. Mar. 1874 at Glenwood, Sevier County, Utah. He was the son of
William Thomas Riggs and
Clarissa Ann Millett. Hiram Boles Riggs married
Effie Vilate Johnson, daughter of
Joseph Ezekiel Johnson and
Thankful R. Fillmore, on 23. Aug. 1897. Hiram Boles Riggs was shown in the census on 2. Jun. 1900 as a farm laborer.
Hiram Boles Riggs and
Effie Vilate Johnson appeared on the census of 2. Jun. 1900 at with her parents, Township 1, Maricopa County, Arizona; 2 children, 2 living. Hiram Boles Riggs was shown in the census on 19. Apr. 1910 as a driver, transfer company.
Hiram Boles Riggs and
Effie Vilate Johnson appeared on the census of 19. Apr. 1910 at Mesa, Maricopa County, Arizona; 6 children, 5 living. Hiram Boles Riggs married
Alice Hawthorne Simkins, daughter of
Charles Wiley Simkins and
Josephine Peterson, on 5. Dec. 1915 at Mesa, Maricopa County, Arizona; 5 children.

Hiram Boles Riggs was shown in the census on 7. Jan. 1920 as a farmer.
Hiram Boles Riggs and
Alice Hawthorne Simkins appeared on the census of 7. Jan. 1920 at Liberty Twp., Maricopa County, Arizona. Hiram Boles Riggs died on 7. Mar. 1938 at Maywood, Los Angeles County, California, at age 63.