The Reid family came to Utah between 1853 and 1855. They likely came in 1853. But the first documentation to place them in Utah are church ordinances and the death of Mary Emma. Further research is needed to narrow the year of their travel.
Her death certificate shows her name as "Lucinda Neas" and shows her birth date as 18 February 1848 and her death as taking place on 10 December 1928.