1850 - living with his parents and siblings in Jacksonville, Illinois. Age 10.[1]
Sources
↑ "United States Census, 1850," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M85D-M77 : 12 April 2016), William Yates in household of R Yates, Jacksonville, Morgan, Illinois, United States; citing family 1, NARA microfilm publication M432 (Washington, D.C.: National Archives and Records Administration, n.d.).