He was a clerk of Ten. Evidence from genealogical and land records prove that the Stewart family came to Utah in 1848. On March 21, 1848, Levi was in Winter Quarters and on December 24, 1848, he signed an agreement in Salt Lake City.
Several years later, Levi led a company of rescuers as far as Devil's Gate to help bring back the handcart emigrants stranded in Wyoming.
In 1857, Joseph and John, two of his sons accompanied him on that trip back to Utah.