FamilySearch and the ship manifest show her surname as "Attwicks." Her surname is listed as "Athwicks" on the Salt Lake City 13th Ward Records. Other sources show her surname as "Atwicks," "Athwicks," and "Atthwicks."
Her birth date is confirmed by ward records in connection with her rebaptism, and her death date is confirmed by the Utah State History Cemeteries and Burials database.
James and Hannah sailed to America in 1853 on the ship Ellen Maria. A 55-year-old Daniel was with them on the ship.