Checked transcriptions of Massac County death records (1878-1902), no Thaxton, McCull(e)y, Mow(e)ry, Sanders, Robertson.
Massac Co. early marriages, 1843-1877, no McCull(e)y, although some McElyas.
Massac County Memories, 1849-1867, vols. I and II:
Metropolis Weekly Sentinel, Saturday, 10 May 1862 – DIED [as per Administrator's Sale Notice] – Thomas S. Risinger; A. J. McColly, admr.
an R. H. Sanders married Martha A. Groves in Johnson Co., Ill., 10 Feb 1862
From Civil War Soldiers of Johnson County, Illinois, Johnson County Gen’l & Historical Society, 1999:
Ross H. Sanders, recruit, residence Vienna, enlisted 01 Apr 1864, co. D, 31st Ill. Inf., died 27 Jun 1864
Other Sanders soldiers in Co. D, 31st Inf.: Gideon M. Sanders, d. 17 Oct 1861; George W. Sanders, eventually promoted to Captain.