Here he became a member of the Siverd Post, No. 85, GAR , Winfield, Kansas. Check Roger Heiple's GAR Homepage . The 1850 Clinton County, IL census does list two George's. One is the son of David and the other his grandson. This has caused me to be particularly cautious when researching the names.
Age is an important distinction between the two individuals, however.
George W. aged 2 in the 1850 census moved around the state of Kansas after the Civil War and resided in Chautauqua County for a time before eventually settling in Joplin, Missouri.