The writers John O'Hara and Bobbie Ann Mason share the same nationality.
John Henry O'Hara (January 31, 1905  April 11, 1970) was an American writer, best remembered as a keen observer of social status and manners in early to mid 20th century America and pre-eminent among his contemporaries at depicting social realism. 
Bobbie Ann Mason (born May 1, 1940) is a Southern United States novelist, short story writer, essayist, and literary critic from Kentucky. 
