While I don't have that marriage date for you I am researching the same Bowman line, with my connection through John M.s marriage to Eliza P. Durbin (b. Dec. 1828, MO). Can we exhange information?

Do you know how Glaphire Bowman (b. abt 1819 Lafayette Co., MO) is related to John? My records show her as Thomas M. Ward's (b. 10 Aug 1815 Cocke Co. TN) first wife.