Their surname listed as "Gough" in Deseret News roster.
The 1861 England Census lists Emma, Hyrum, and Sarah as children of Isaac and Mary Gough (Goff).
Isaac, Mary, and Jedediah Gough (Goff) traveled to Utah in the Rosel Hyde Company (1863).
Emma, Sarah, Isaac, and Hyrum "Gough" traveled together to America on the ship John J. Boyd, departing from Liverpool April 23, 1862, and arriving in New York June 1, 1862. They then traveled together in the Homer Duncan Company in 1862. Isaac doesn't appear with them on this company.