"We settled for two years in Pottawattomia County, Iowa; then emigrated to the Utah Valley in 1852. We seen large herds of buffalo while crossing the plains." (Celia Morgan Mifflin, Welsh Mormon History website, http://www.welshmormonhistory.org/index.php?/resources/view/515)
Her birth date is confirmed by the inscription on her gravestone, and her death date is confirmed by her death certificate.
6 people in this traveling party.