[4][3][5] Born in Kittanning, Pennsylvania, northeast of Pittsburgh, Shoup was educated in the public school system.

[4][3] After being devastated financially in the Panic of 1857, Shoup moved to Colorado Territory in 1859 to engage in mining and merchandising near Pikes Peak and later in Denver.

Shoup was commissioned as a second lieutenant when the 3rd Colorado Cavalry Regiment was formed in 1861 and was mustered out as a colonel in December 1864.

[4] Two years later at age 66, Shoup made a final attempt to return to the U.S. Senate, but bowed out of the four-man race for the Republican nomination in the legislature in January 1903.

[4][21] He is interred in the Boise Pioneer Cemetery, alongside his wife Lena, who died in Salmon, Idaho in 1927.

[22][23] In 1910, the state of Idaho donated a marble statue of Shoup to the National Statuary Hall Collection at the U.S.

[29][30] During World War II, a Liberty ship named S.S. George L. Shoup (hull #2004) was launched at the Oregon Shipbuilding Corporation in Portland in May 1943.