The Council of Fifty minutes refers to Joseph as a "martyr" in 1845.
Council of Fifty, Minutes, Volume 1, March 1, 1845, 379-380, The Joseph Smith Papers website, accessed February 5, 2022
The clerk then explained to the new members that president Joseph Smith was appointed standing chairman to this council. Since he was martyred Prest. Young has been chosen to take the place of Prest. Smith. The question was then asked “do you agree to sustain and uphold Prest. B. Young as the standing chairman and successor of Joseph Smith henceforth and forever.[”] The vote was taken all round and all present <of the new members & each> voted in the affirmative.