Alexander married Mary McAllister in Nov 1870 in Hillsburgh, Wellington County, Ontario, Canada. Mary (daughter of Alexander McAllister and Elizabeth 'Betsy' Stalker) was born about 1850 in Hillsburgh, Wellington County, Ontario, Canada; died on 12 Jan 1901 in Hillsburgh, Wellington County, Ontario, Canada; was buried in Hunley Cemetery, Hillsburgh, Wellington County, Ontario, Canada. [Group Sheet] [Family Chart]

1. Mary-Maude Thomson was born about 1880 in Hillsburgh, Wellington County, Ontario, Canada; died in Aug 1973 in Hillsburgh, Wellington County, Ontario, Canada; was buried in Huxley Cemetery, Hillsburgh, Wellington County, Ontario, Canada.
2. Elizabeth 'Bessie' Thomson was born before 1882 in Wellington County, Ontario, Canada; and died.
3. Archibald Thomson was born about 1886 in Hillsburgh, Wellington County, Ontario, Canada; died on 20 Feb 1966 in Hillsburgh, Wellington County, Ontario, Canada; was buried in Huxley Cemetery, Hillsburgh, Wellington County, Ontario, Canada.