Joseph's Journal records Henry B. Jacobs being called on a mission in January 1842.
Joseph Smith, Journal, January 17, 1842, 43, The Joseph Smith Papers website, accessed November 22, 2022
January 17. 1842— Brigham Young, Heber C. Kimball, O[rson] Pratt, W[ilford] Woodruff. John Taylor. Geo. A Smith. & W[illard] Richards of the Quorum of the Twelve assembled in council at the Presidents office. and decided that Elder Amos <B> Fielding <Fuller> take a mission to the city of chicago. in accordance with the Revelation Page 36.41 and also, that Elder Henry Jacobs. be subjct to the council & presidency of Bro Fuller & accompany him so far on the mission as Bor [Bro] Fuller judge expedient.