(Posted on findagrave.com):
Son of Levi Stewart and Margery Wilkerson
Married - Rachel Tamer Hamblin, 22 Sep 1873, Salt Lake City, Salt Lake, Utah
Married - Fannie Maria Little, 29 May 1879, St George, Washington, Utah
Married - Mary Ann Udall, 16 Aug 1880, St George, Washington, Utah
History - William was mayor of Kanab, Utah 1889-91, and a Representative to the Utah Territorial Legislature in 1887 & 1889.
William was a member of The Church of Jesus Christ of Latter-day Saints. He moved to Kanab, Utah in 1870 when his father was called by Brigham Young to create a new settlement there. A few months later his mother and several of his siblings were killed in a fire.
He married Rachel Tamar Hamblin, daughter of Jacob Hamblin, in 1873.
He became a polygamist in 1879 when he married Fannie Maria Little. He took a third wife, Mary Udall in 1880. She was the sister of David King Udall, who was already married to William's sister, Eliza Stewart.
In 1887 and 1889 he was elected to the Utah Territorial Legislature, and in 1889 he was also elected mayor of Kanab.
He was called to be mission president of the Australian, New Zealand And Tasmania Mission. He served three years. He served again for two years starting 13 Sept 1891.
In 1901 he was called by The Church of Jesus Christ of Latter-day Saints to help settle Alamo, Nevada.