page_title: Rosemary Theby
section_title: Early life and career
hierarchical_section_title: Rosemary Theby / Early life and career
caption_attribution_description: English: Advertisement in The Moving Picture World for the film The Connecting Bath (1916).
context_page_description: Rosemary Theresa Theby was an American film actress. She appeared in some 250 films between 1911 and 1940.
context_section_description: The daughter of George and Katherine Masing, Theby was born in St. Louis, Missouri. She studied at the Convent of St. Alphonsus in St. Louis and at Sargent's School in New York City. A contemporary newspaper account described her as being of "medium-height, well proportioned, with regular features and dark hair".
  Theby began working with Vitagraph studios in 1910. Her first film experience came in that company's  production of The Wager. By 1915, she was a star for the Universal film company. During World War I Theby took care of a refugee from Lithuania. After being educated and cared for by Theby, the young woman became her maid during an acute shortage of maids in Hollywood, in 1920.
  As Miss Corintee in The Great Love (1918), Theby played the part of a German spy with great skill. The film was written and directed by D.W. Griffith. This was a vamp role which she began to play frequently after depicting characters in slapstick comedies. Theby played a Chinese vampire in Clung, a Fox Film production directed by Emmett Flynn. Later she began to portray more serious women.
  Theby was solely a film actress. She declined an offer to accompany Chauncey Olcott to appear on stage for $85 per week. At the time she was earning $125 weekly in movies. She later regretted her decision because of the experience she would have gained.
  Thelby's career included Westerns and serials.
caption: The Connecting Bath (1916)
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