John married Jane LETT on 21 Jan 1864 in Stafford Anglican Church, Renfrew Co., Ontario. Jane (daughter of Thomas LETT and Eliza MARTIN) was born in 1842 in , , Co. Wexford, Ireland; died on 9 Oct 1928; was buried in St. Thomas Anglican Cemetery, Wilberforce Twp., Renfrew Co., Ontario. [Group Sheet] [Family Chart]

1. Thomas SWEENEY was born in 1864 in Rankin, Renfrew Co., Ontario, Canada; died on 14 Jun 1918 in Kamloops, Thompson-Nicola, British Columbia, Canada.
2. William Oliver SWEENEY was born in 1865 in Rankin, Renfrew Co., Ontario, Canada; died on 31 May 1900 in Western Canada.
3. Charles SWEENEY was born in 1867 in Rankin, Renfrew Co., Ontario, Canada; died in 1930 in Prince Rupert, Skeena-Queen Charlotte, British Columbia, Canada.
4. Ralph Nelson SWEENEY was born in 1869 in Rankin, Renfrew Co., Ontario, Canada; died on 24 Apr 1942 in Rankin, Renfrew Co., Ontario, Canada; was buried in St. Thomas Anglican Cemetery, Wilberforce Twp., Renfrew Co., Ontario.
5. Mary Lett SWEENEY was born on 29 Jul 1873 in , , Ontario, Canada; died on 6 Mar 1945 in Wilberforce Twp., Renfrew, Ontario, Canada; was buried in St. John's Anglican Cemetery, Eganville, Renfrew Co., Ontario.
6. Ida Bell SWEENEY was born on 29 Oct 1876 in Rankin, Renfrew Co., Ontario, Canada; died on 20 Nov 1938 in Pembroke, Renfrew, Ontario, Canada; was buried in Rankin, Renfrew Co., Ontario, Canada.
7. John Allen SWEENEY was born on 23 Nov 1882; died on 4 May 1900; was buried in St. Thomas Anglican Cemetery, Wilberforce Twp., Renfrew Co., Ontario.

Oliver + Isobel CLARK. Isobel was born in 1811 in Sligo, Ireland; and died. [Group Sheet] [Family Chart]