In the 1870 census there is a Thomas,age 25,b Ire and Emma Fagan, 18, b Oh. It sounds like they were married but it is hard to tell. In the 1860 census there is no Emma listed. The females were Mary, Susan and Sally. Wesley was 15 and the son of Anthony and Phoebe Bright. Wesley was born in Illinois according to this census.
Kansas State Census Collection, 1855-1915 > 1875 > Nemaha > Rock Creek Thomas J Fagan This census says he moved to Kansas from Washington,D C.