The Caldwell family traveled to the Salt Lake Valley with the Aaron Johnson Company in 1850. The family included Matthew Caldwell Barzilla Guymon and their children Thomas Jefferson, Rachel Almira, and Curtis Washington.
Barzilla’s parents Thomas and Sarah Gordon, and her siblings Polly Ann and family, Noah Thomas and Family, and Melissa Jane were also in the company.
The inscription on her gravestone shows her name as "Rachel A. Horrace."