Sterling Welling Sill (31 March 1903 - 25 May 1994) was a general authority in The Church of Jesus Christ of Latter-day Saints. He was an Assistant to the Quorum of the Twelve Apostles from 1954 to 1976 and was a member of the First Quorum of the Seventy from 1976 to 1978. In 1978, he received general authority emeritus status. Born in Layton, Utah, Sill was a Mormon missionary in the southern United States from 1924 to 1926.
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