• William was with the McGaw company when it was organized, but very shortly after split off with about 40 others, led by Crandell Dunn. This new company traveled to the Valley independently.

Crandell Dunn Company (1852)

• Age at Departure: 19

James McGaw Company (1852)

• Age at Departure: 20

Sources

• "11th Company of 50 Report, 1852 June 17-September 20." In Brigham Young Office emigrating companies reports 1850-1862, Reports 1850-1852 [roster]. (CR 1234 5, Box 1, Folder 15)
• Candland, David, Report, in Perpetual Emigrating Fund Company, General files 1849-1898, reel 1, box 1, fd. 4.
• James McGaw Emigrating Company Journal in 11th Company of 50 record, 1852 June 17-September 20 in Reports, 1850-1852 in Brigham Young Office emigrating companies reports, 1850-1862. 
• Powell, Delna Swapp, Eleventh Pioneer Emigration Company 1852 , [2002], p. 105
• Presiding Bishopric. Immigrant Location Committee Minutes, (20 September - 13 October 1852).