Feisty, ebullient character comedienne who, for three decades, enlivened Hollywood films with her drollery and quick-fire repartee. The daughter of a newspaper editor and music critic, Ruth made her stage debut in the chorus of the touring production 'The Quaker Girl' in 1913. Four years later, she had made it to Broadway, playing a telephone operator in 'The Scrap of Paper' at the Criterion Theatre. She then appeared for ten months in the musical farce 'Going Up' (1917-18), which starred Frank Craven and a young Ed Begley. Some of her biggest comic successes were in plays by George M. Cohan, notably 'A Prince There Was' (1918-19) and 'The Meanest Man in the World' (1920-21).

Ruth appeared on screen, first in a small part in Rubber Heels (1927). Not until the Wall Street crash of 1929 was she tempted to pursue a career in Hollywood, rather than on Broadway. For most of her time in the movies, she played acidulous secretaries, wisecracking friends of the heroine, or shrewish wives. She gave excellent support as Mary Brian's domineering mother in Hard to Handle (1933) and was excellent as Edward G. Robinson's wife in the Runyonesque comedy A Slight Case of Murder (1938). There were many other good roles as comedy relief from Hands Across the Table (1935), with Carole Lombard to Mr. Deeds Goes to Town (1936),with Gary Cooper); and Mr. Smith Washington'a Gidiyor (1939),with James Stewart.. She was versatile enough to handle dramatic roles, playing a worldly nun in The Bells of St. Mary's (1945) and one of the asylum inmates of Talihsizler yuvası (1948).

Except for a handful of TV guest appearances, Ruth essentially retired after her last film, The Way to the Gold (1957), and lived for the remainder of her life at the Wellington Hotel in Manhattan. She was for many years married to Basil de Guichard, an airline executive.