Bowman, Alfred & Sarah J.; 1827-1878; Indiana

Looking for documentation on the spouse of Alfred Bowman, 1827-1878.In the 1860 Jefferson Twp., Putnam Co., Indiana census it shows he had a wife named Sarah J., but I cannot find what her maiden was.They had the following children:
Asbury Franklin born 29 Dec 1842 in Indiana
Mary Emma born 21 Jan 1856 in Indiana
Julia A. born 29 Mar 1860 in Indiana