Sister Ruth O.S.R.N was a young nun at Nonnatus House in Series 1 episode 6. She was portrayed by an uncredited actor.
Overview[]
Not long after Sister Monica Joan was cleared of all charges, Sister Ruth along with fellow Sisters: Sister Julienne, Sister Evangelina, Sister Monica Joan and Sister Bernadette made their way to All Saints Church to attend the wedding of their colleague Camilla Fortescue-Cholmeley-Browne and her husband, Peter Noakes, along in attendance came Jennifer Lee, Beatrix Franklin and Cynthia Miller in their uniforms. After Peter and Chummy were officially newly weds, Sister Ruth went outside to celebrate with the others, as they were doing so, She, Sister Evangelina and Sister Bernadette threw petals over the newly weds. Sister Ruth was last seen witnessing Trixie catch the bouquet alongside Sister Bernadette and Sister Julienne, she does not appear again, it is more than likely that she returned to the Mother House, since most of her Sisters-in-Christ had by Series 2.