She is the daughter of Sarah Jeffcott Pearson Jones, in the company. She and her sister Frances Elizabeth Pearson came on the 1859 William Tapscott ship with their mother and step-father. Family sources say she dropped out of the company at the North Platt River near Scott's Bluff and married a storekeeper named Edward Munn. He had been in the Edward Mrtin Company of 1856. Sarah finally reached the Salt Lake valley in 1860, traveling by stagecoach.