Willard Richards scribes for Joseph's journal where Joseph indicates that he was admitted to the Masonic lodge.
Joseph Smith, Journal, March 15, 1842, The Joseph Smith Papers website, accessed May 27, 2021
Tuesday 15 Officiated as grand Chaplin. at the Installation of the Nauvoo Lodge. of Free Masons, on At the Grove. near the Temple. Grand Master [Abraham] Jonas being present.— A Large number of people assembled on the occasion, the day was exceedingly fine, all things were done in order, and universal satisfaction manifested. Admitted a me[m]ber of the Lodge in the evening