This is from the Chruch History Library about Elias Smith's Migration

Mormon Pioneer Overland Travel, 1847–1868

http://www.lds.org/churchhistory/library/pioneerdetails/0,15791,4018-1-7893,00.html

Smith, Elias

Birth Date: 6 Sep. 1804
Death Date: 24 June 1888
Gender: Male
Age: 46
Company: John Brown Company (1851)


Sources:
Brown, John, Reminiscences and journals, 1843-1896, vol. 1, 155-56. Read Trail Excerpt Source Locations

Hoyt, Emily Smith, Reminiscences and diary 1851-1893, vol. 1, 67-108. Source Locations

John Brown Emigrating Company, Journal, 1851 July-Sept. Read Trail Excerpt Source Locations

Smith, Elias, Journals, 1836-1888, vol. 7. Read Trail Excerpt Source Locations

Williams, Robert, Autobiography [ca. 1859], 118-25. Read Trail Excerpt Source Locations