Doris Marie Rankin (August 24, 1887 – March 18, 1947)[1] was an American stage and film actress.

Doris had two older half-sisters from her father's marriage to Kitty Blanchard: Gladys Rankin who was married to Lionel's uncle Sidney Drew and Phyllis Rankin who was married to Harry Davenport of the Davenport theatrical family.

She followed this role with performances in The Devil's Garden (1920), The Great Adventure (1921), Jim the Penman (1921), and Lena Rivers (1925).

[5] Rankin married British author Roger Malcolm Mortimer in 1923 in Frederick, Maryland, and they had two children.

In 1931, Rankin was operated on for a thyroid ailment at the Park East Hospital in New York City.