Elizabeth Widdison
The Deseret News roster spells the surname as Widowson. She was traveling with her sister.
More research is needed to confirm Elizabeth's date of death. Elizabeth's death record, obituary, headstone, and the 1900 Census state that she was born in 1845. However, family tradition from Family Tree at FamilySearch.org and data from the 1851 Census state and indicate that she was born in 1846.