Hannah Hibbert
The family's surname is "Dolton" in Deseret News and the Monarch of the Sea ship manifest. It is reported that the father of Sarah Dolton, age 3, took her off the ship and she did not come to America. Her infant son John died in Wyoming, Nebraska a couple of weeks before the Rawlins Company departed for Salt Lake.
Her christening date is confirmed by English birth and christening records. Her birth and deaths date come from a personal, online family history record without accompanying documentation. Additional evidence is needed to confirm their accuracy.