Wesley D'Ewart was born in Worcester, Massachusetts to William John D'Ewart and Mary Elizabeth Barnard. He attended Washington State College at Pullman.
Wesley D'Ewart's early life took place in Worcester, Massachusetts, where he was raised by his parents, William John D'Ewart and Mary Elizabeth Barnard. He later attended a college situated in Pullman, which is part of the broader educational context of Washington State College.