In the 1850 US Census for Volney, Oswego County, New York the family of a James Barnham [possible match] was enumerated as follows:
Dwelling #969; Family #1081
James Barnham, 24, M, Teamster, b. New York
Elisabeth Barnham, 23, F, b. England
James McKelly, 40, M, Foreman steam sawmill, Real property $1,000, b. Scotland
John Rigger, 23, M, Carpenter joiner, b. Germany
James Welch, 33, M, Teamster, b. Illinois, Attended school within the year
John Porter 22, M, Blacksmith, b. Canada
without issue.