Severance claims they were married Feb. 8, 1826.  This date is earlier than the claimed date of her second marriage (to Rufus Stearns, 8/17/1826).  The correct date may well be 2/8/1836.   (Severance, B. Frank. Genealogy and biography of the descendants of Walter Stewart of Scotland and of John Stewart who came to America in 1718 and settled in Londonderry, N.H.  Greenfield, Mass.  : T. Morey & Son, 1905, pg. 215).