From the 23rd of March, 1833, to January 6, 1834, I [Horace Cowan] with my several companions, Zerubbabel Snow, Stephen Burnett, Hazen Aldrich, and Evan M. Greene, have held 153 meetings and baptized 70 persons; in New Hampshire we held 49 meetings and baptized 21; in Vermont held 4 meetings and baptized 5; in Maine we held 18 meetings and baptized 20; in Lower Canada we held one meeting; in Pennsylvania we held 3 meetings; in the state of New York we held 41 meetings and baptized 18 persons, and in the State of Massachusetts we held 37 meetings and baptized 6 persons. Journal history
    [Journal History. LDS Church Archives. Selected Collections, DVD 2:1-36 is cited.]

    September 8, 1833, Held two meetings in Bath [New Hampshire]. Brother Horace Cowan ordained an elder under the hands of Lyman E. Johnson. (MS, 27:72)]

    August 7, 1834 [Clay county, Missouri] Those who are "united in the ministry as coupled by this Council:
    Daniel Stanton and Elias Eams
    Hazen Aldrich and Willard Snow
    Amasa Lyman (h) and Horace Cowan
    Solomon Humphrey and Solomon Wixom
    Zebedee Coltrin and Nathan West
    Jesse Hitchcock and John Killian

    David W. Patten, George M. Hinkle, Elisha H. Groves, Charles Patten to choose partners for themselves.
    [Far West Record, 93-95.]

    E. [Evan] M. Greene, and H. [Horace] Cowan, came here last November, EMS, 1834

    1836, Elder Aldrich was probably accompanied by Elder Horace Cowan into Quebec, and, as noted, Elder Winslow Farr was also in the immediate vicinity at that time. http://www.leavittfamilies.org/Docs.htm

    Desdomona married 16 Oct 1836 at Clay, Mo. to Horace Cowan.
   

    Horace Cowan, coopering, recently opened a coopering shop in the first house north of the Liberty Schoolhouse where he will be able to accommodate the public with most kinds of cooer's wares. He will also peek constantly on hand a general assortment of both kinds of coarse and fine wares.
    [The Far West, advertisment, Horace Cowen, July 28th, 1836 issue.]

    Far-West, Mo. Saturday, July 7th 1838.
    The Conference convened agreeable to adjournment. Opened by Prayer by President Sidney Rigdon.
    When the following brethern, who came up in the Camp in 1834 received their blessing, also ordained as Seventies:
    Horace Evans
    James Dunn
    Alanson Ripley
    Chandler Holbrook
    Justus Morse
    John Fawsett
    Jackson Smith
    Thomas Turner
    Ebenezer Miller
    Joseph Holbrook
    Lewis Zabriskie
    Horace Cowan
    James R. Ivie
    John C. Annis
    [Conference Minutes, 7 July 1838, Far West Record, 201.]

    Joseph Smith noted, Brother Horace Cowan was put into Liberty Jail, March 25, 1839, for debt, in consequence of the persecution of the mob. [History of the Church, 25 March 1839.]