She is one of the few women to have served as principal owner of a Major League Baseball team Rigney, wife of former White Sox pitcher and executive Johnny Rigney, was the eldest grandchild of Charles Comiskey and inherited control of the White Sox upon the death of her mother, Grace Comiskey. However, Chuck made such a lowball offer that Dorothy instead sold the White Sox to Bill Veeck, ending the Comiskey family"s 58-year control of the franchise.
She died at a Maywood, Illinois hospital in 1971 at the age of 54.