Esther Jane Fletcher

Evidence from autobiographical and church (sealing) records proves that the Fletcher family traveled to Utah in 1851. They were on the Iowa census (taken September 1850) and endowed in Salt Lake in early August 1852 (prior to the arrival of that year's emigration), proving that they had to have traveled to Utah in 1851.

Surname is "Jackson" on her death certificate and Find A Grave website.