George Barnum was "raised up" as a minister of the gospel by the Congregational Church of Bethel, Connecticut. In the American Christian Record (1860) he was listed as a Congregational minister in Medina, Michigan.
In the 1850 US Census for Medina, Lenawee County, Michigan the family of George Barnum was enumerated as follows:
Dwelling #710; Family #710
George Barnum, 39, M, Congregational Clergyman, Real property $450, b. Connecticut
Ophelia Barnum, 39, F, b. Connecticut
Walter Barnum, 17, M, b. Connecticut, Attended school within the year
Rebecca Barnum, 12, F, b. Michigan, Attended school within the year
Russel Barnum, 11, M, b. Michigan, Attended school within the year
Mary Barnum, 9, F, b. Michigan, Attended school within the year
Elizabeth Barnum, 7, F, b. Michigan, Attended school within the year
Emma Barnum, 5, F, b. Michigan, Attended school within the year
Elanor [sic] M. Barnum, 3, F, b. Michigan
Augustine Barnum, 2, M, b. Michigan
Martha Barnum, 1/12, F, b. Michigan
Irene Brush, 19, F, b. Connecticut
In the 1880 US Census for Wauseon, Fulton County, Ohio the family of George Barnum was enumerated as follows:
Dwelling #222; Family #228
Barnum, George; W; M; 69; Married; Minister; b. Connecticut; Both parents b. Connecticut
Barnum, Opelia [sic]; W; F; 69; Wife; Married; Keeping house; b. Connecticut; Both parents b. Connecticut
Barnum, Vernon; W; M; 27; Son; Single; Engineer; b. Michigan
Blair, Mary E.; W; F; 23; Single; Dressmaker; b. Pennsylvania; Father b. Scotland; Mother b. Pennsylvania