Stephen, his father William, sister Margaret and brother Alexander all emigrated to Ontario.
Some information about him is in this Findagrave memorial: Find a Grave, database and images (https://www.findagrave.com : accessed 16 May 2020), memorial page for Stephen Montgomery (24 May 1819–6 Aug 1878), Find a Grave Memorial no. 127737746, citing Evergreen Cemetery, Jewell, Hamilton County, Iowa, USA ; Maintained by Mary J Nelsen (contributor 48342651).
Have you taken a DNA test? If so, login to add it. If not, see our friends at Ancestry DNA.
Featured Foodie Connections: Margaret is 22 degrees from Emeril Lagasse, 27 degrees from Nigella Lawson, 26 degrees from Maggie Beer, 49 degrees from Mary Hunnings, 31 degrees from Joop Braakhekke, 28 degrees from Michael Chow, 24 degrees from Ree Drummond, 26 degrees from Paul Hollywood, 27 degrees from Matty Matheson, 27 degrees from Martha Stewart, 31 degrees from Danny Trejo and 30 degrees from Molly Yeh on our single family tree. Login to find your connection.
M > Montgomery | A > Allen > Margaret (Montgomery) Allen