Hannah Dyson
Although not directly listed in the memorandum book, Joseph (Hannah's step- father) purchased enough food rations for six people. According to Mormon Migration, the Whitehead's and Dyson's traveled from Liverpool to New York aboard the Colorado, arriving 28 July 1868.
Her surname is "Whitehead" on the Utah census and "Fowers" on the other census records and Find A Grave website. She married William Fowers.