Samuel Irvin Crownover was born on 19. Jun. 1876 at Yeagertown, Mifflin County, Pennsylvania. He was the son of
Samuel Irvin Crownover and
Emmaline Reitz. Samuel Irvin Crownover married
Margaret Ruble on 22. Aug. 1900 at Lewistown, Mifflin County, Pennsylvania. Samuel Irvin Crownover was shown in the census on 15. Apr. 1910 as a steelworker, open hearth.
Samuel Irvin Crownover and
Margaret Ruble appeared on the census of 15. Apr. 1910 at Derry Twp., Mifflin County, Pennsylvania.

Samuel Irvin Crownover was shown in the census on 15. Jan. 1920 as an axe maker, axe factory.
Samuel Irvin Crownover and
Margaret Ruble appeared on the census of 15. Jan. 1920 at Derry Twp., Mifflin County, Pennsylvania. Samuel Irvin Crownover was shown in the census on 5. Apr. 1930 as a meat cutter, store.
Samuel Irvin Crownover and
Margaret Ruble appeared on the census of 5. Apr. 1930 at Altoona, Blair County, Pennsylvania. Samuel Irvin Crownover married
Blanche M. Snare, daughter of
Calvin Snare and
Rebecca Ann Buckwalter, on 10. Oct. 1960. Samuel Irvin Crownover died on 9. Feb. 1966 at Williamsburg, Blair County, Pennsylvania, at age 89.