William Augustus Hall (October 15, 1815 – December 15, 1888) was an American politician who served in the US House of Representatives.

Born in Portland, Maine, on October 15, 1815, Hall moved with his family to Harpers Ferry, Virginia, at a young age and attended the local schools there.

Given his position he would have been well aware of the media attention and the implications the outcome of the trial could have for Missouri and the nation.

[2] To defend Celia, Hall appointed John Jameson, a recently ordained minister who had served in congress and had been speaker of the Missouri state house.

Hall also appointed two other attorneys from prominent Callaway County families to assist Jameson.