She was listed as "Sophie," in the Mormon Migration database. In the "New York Passenger Lists, 1820-1957," collection she was listed as "Sophie M."
Birth date is confirmed by Logan 1st Ward records at the time of her re-baptism (7 December 1864). She was listed as "Hilda Georgina E. Lyungberg." More research is needed to establish Hilde's date of death.