Matilda Fernndez, stage name Fontaine La Rue in Los Angeles November 20, 1976 was a Mexican American silent film actress appearing in films from 1915 to 1929. Her career ended with the advent of talkies. Presumably her exotic sounding French name was used to get her classier roles in films. Notably she appeared in the now lost film, A Blind Bargain with Lon Chaney.
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Source: Wikipedia