Jane Manning James is authorized by stake president to do baptisms for the dead in 1888.
Tonya S. Reiter, "Black Saviors on Mount Zion: Proxy baptisms and Latter-day Saints of African Descent," in The Ancient Order of Things: Essays on the Mormon Temple, ed. Christian Larsen (Salt Lake City, UT: Signature Books, 2019), 135
First, she wrote to church president John Taylor. He did not allow the adoption, but six months later, the president of the Salt Lake Stake, Angus Cannon, mailed a recommend to Jane allowing her to do baptisms and confirmations for her "dead kindred."