John married Sarah Jane McLaren on 9 Jul 1874 in Renfrew County, Ontario, Canada. Sarah (daughter of James McLaren and Ellen Evoy) was born on 5 May 1857 in Westmeath Township, Renfrew County, Ontario, Canada; died on 20 Aug 1907 in Renfrew County, Ontario, Canada. [Group Sheet] [Family Chart]

1. Albert Blair was born about 1875 in Renfrew County, Ontario, Canada.
2. Sarah Blair was born about 1877 in Renfrew County, Ontario, Canada.
3. William Edward Blair was born about 1879 in Renfrew County, Ontario, Canada.
4. Mamie Mary Blair was born in 1881 in Renfrew County, Ontario, Canada.
5. Ida Blair was born on 20 Feb 1884 in Renfrew County, Ontario, Canada.
6. James Percy Blair was born in 1888 in Pembroke, Renfrew County, Ontario, Canada.
7. John Allen Blair was born on 6 Dec 1895 in Pembroke, Renfrew County, Ontario, Canada.