Upon his return to the East (Boston), Marsh wrote to Stearns on December 18, 1857, to provide a relatively brief outline of his experience and accomplishments since leaving for Kansas Territory on committee business the previous June. He said others could be the judge of the success of the "mission," but "a Free State Legislature was secured by the election" and Governor Charles Robinson had been "quite complimentary" of Marsh in a letter to Amos A. Lawrence.