In 1834, Henry moved to the United States of America to find work. While he was prospecting some land, some missionaries of the Church of Jesus Christ of Latter-day Saints taught him. He was converted and baptized soon after on April 6, 1842. Henry moved to Nauvoo, Illinois where he met and married Sophronia Armenia Scott on April 13, 1845. During this time, Henry sent letters to his mother in England, and she was converted and moved to Nauvoo in 1846.
The Standage family joined the Heber C. Kimball Company on June 7, 1848 and arrived in the Salt Lake Valley on Sep 24. Henry entered the practice of polygamy on April 16, 1851 by marrying Henrietta Rogers in Salt Lake City, Utah. The Standage family moved to Richmond in 1860.