John married Rachel POTTER about 1838 in Ottawa, Carleton, Ontario, Canada. Rachel (daughter of POTTER) was born on 13 Mar 1809 in , , , Ireland; died on 24 Oct 1896 in Wilberforce Twp., Renfrew, Ontario, Canada; was buried in Lake Dore, Renfrew Co., Ontario. [Group Sheet] [Family Chart]

1. William DENNISON was born on 12 Dec 1840 in Wilberforce Twp., Renfrew, Ontario, Canada; died on 8 Nov 1928 in Wilberforce Twp., Renfrew, Ontario, Canada; was buried in Point Presbyterian Cemetery, Wilberforce Twp., Renfrew Co., Ontario.
2. John DENNISON was born on 20 Mar 1844 in Wilberforce Twp., Renfrew, Ontario, Canada; died in 14 Jul in Wilberforce Twp., Renfrew, Ontario, Canada; was buried in Point Presbyterian Cemetery, Wilberforce Twp., Renfrew Co., Ontario.
3. Melinda DENNISON was born about 15 Jun 1846 in Wilberforce Twp., Renfrew, Ontario, Canada; died in 1907; was buried in Point Presbyterian Cemetery, Wilberforce Twp., Renfrew Co., Ontario.
4. Rachel DENNISON was born about 8 Jan 1848 in Wilberforce Twp., Renfrew, Ontario, Canada; died in 1950; was buried in Point Presbyterian Cemetery, Wilberforce Twp., Renfrew Co., Ontario.
5. Eliza DENNISON was born in 1852 in , , Ontario, Canada; was christened in 1852 in Horton-Mcnab Presbyterian Baptismal & Marriage Registers 1841-1883; died in 1937; was buried in Point Presbyterian Cemetery, Wilberforce Twp., Renfrew Co., Ontario.
6. Jane DENNISON was born on 19 Jun 1855 in Wilberforce Twp., Renfrew, Ontario, Canada; died on 26 Feb 1941 in Ross Twp., Renfrew, Ontario, Canada; was buried in Ross Twp., Renfrew, Ontario, Canada.
7. James DENNISON was born on 16 Mar 1843 in Wilberforce Twp., Renfrew, Ontario, Canada; died on 3 Apr 1926; was buried in Lake Dore, Renfrew, Ontario, Canada.