William Marion Crownover was born on 3. Apr. 1878 at Arkansas. He was the son of
Byron Edward Crownover and
Malinda Angelin. William Marion Crownover married
Ethyl Stone. William Marion Crownover was shown in the census on 27. Apr. 1910 as a farmer.
William Marion Crownover and
Ethyl Stone appeared on the census of 27. Apr. 1910 at Osage Twp., Lincoln County, Oklahoma; 2 children.

William Marion Crownover was shown in the census on 29. Jan. 1920 as a cook, cafe.
William Marion Crownover and
Ethyl Stone appeared on the census of 29. Jan. 1920 at Agra, Lincoln County, Oklahoma. William Marion Crownover was shown in the census on 2. Apr. 1930 as the proprietor of a resturant.
William Marion Crownover and
Ethyl Stone appeared on the census of 2. Apr. 1930 at Agra, Lincoln County, Oklahoma. William Marion Crownover died in 1953 at Oklahoma.