From Wikipedia

Mary Ellaline Terriss, Lady Hicks (13 April 1871 – 16 June 1971), known professionally as Ellaline Terriss, was a popular English actress and singer, best known for her performances in Edwardian musical comedies. She met and married the actor-producer Seymour Hicks in 1893, and the two collaborated on many projects for the stage and screen.

Terriss appeared in over a dozen British films, generally in which her husband was involved as an actor, writer or director. These included the silent films Scrooge (1913), David Garrick (1913), Flame of Passion (1915), A Woman of the World (1916), Masks and Faces (1918), Always Tell Your Wife (1923), Land of Hope and Glory (1927). She made a successful transition to talkies, including Blighty (1927), Atlantic (1929), A Man of Mayfair (1931), Glamour (1931), The Iron Duke (1934), Royal Cavalcade (1935) and The Four Just Men (1939).

She died in Hampstead, England, at the age of 100.