Sheila originates in Gaelic languages and means "blinded". It is an Irish form of the name Cecilia and was the most popular in the 1940s. The word itself is a derogatory expression for a woman in Australian English slang. Cecilia originates in Latin language. Saint Cecilia was the patron saint of music. In English-speaking countries the name has been used since the 18th century. It was popularized by the song of the same name by Simon and Garfunkel.