Ruth Harris (sometimes credited as Ruthee) was an artist/inker for the Iger-Roche shop in the 1940s. In the 1950s, she drew a short-lived newspaper strip, "The Girl Friends", written by Ruth Roche.
It is speculated that she and Ruth Atkinson were the same person.
See Ruth Harris's entry on Bails' Who's Who of American Comic Books.
See Ruth Harris's credits at the Grand Comics Database.