William Henry Lang was born on 14. Feb. 1896 at Mesa, Maricopa County, Arizona. He was the son of
Henry Benjamin Lang and
Clarissa May Riggs.
William Henry Lang appeared on the census of 25. Apr. 1910 at with his sister Clarissa, Tucson, Pima County, Arizona.

He married
Manilla Morris on 21. Sep. 1917 at Mesa, Maricopa County, Arizona. William Henry Lang was shown in the census on 6. Jan. 1920 as a farmer.
William Henry Lang and
Manilla Morris appeared on the census of 6. Jan. 1920 at East Chandler, Maricopa County, Arizona. William Henry Lang married
Elmina Lillywhite on 16. Jun. 1923 at Maricopa County, Arizona. William Henry Lang was shown in the census on 2. Apr. 1930 as the proprietor of a service station.
William Henry Lang and
Elmina Lillywhite appeared on the census of 2. Apr. 1930 at East Chandler, Maricopa County, Arizona; real estate value 3,000.00. William Henry Lang died on 8. Aug. 1965 at age 69.