Willard Everett Yerkes was born on 15. Mar. 1898 at Vineland, Cumberland County, New Jersey. He was the son of
William Franklin Yerkes and
Flora Maria Ivins. Willard Everett Yerkes resided at at Bellingham, Whatcom County, Washington, in 1918.

Willard Everett Yerkes was shown in the census on 3. Jan. 1920 as a garage mechanic.
Willard Everett Yerkes appeared on the census of 3. Jan. 1920 at with his sister Evelyn, Wheatland, Yuba County, California. He married
Leora A. Phillips c 1925. Willard Everett Yerkes was shown in the census on 18. Apr. 1930 as an auto mechanic.
Willard Everett Yerkes and
Leora A. Phillips appeared on the census of 18. Apr. 1930 at Nicolaus Twp., Sutter County, California. Willard Everett Yerkes died on 4. Jul. 1963 at Yuba County, Californis, at age 65.