Samuel married Agnes WelshRepublic of Ireland. Agnes was born in 1806 in Republic of Ireland; died on 11 Jun 1890 in Cavan, Ontario, Canada. [Group Sheet] [Family Chart]

1. Robert James McKnight was born in 1829 in County Down, Northern Ireland, United Kingdom; died on 25 Jul 1894 in Millbrook, Ontario, Canada; was buried in Grace Presbyterian Cemetery, Millbrook, Ontario, Canada.
2. Agnes McKnight was born on 18 Aug 1839 in Republic of Ireland; died on 15 Jul 1912 in Springville, Ontario, Canada; was buried in Fraserville Cemetery, Fraserville, Ontario, Canada.
3. Mary McKnight was born on 28 Aug 1842 in Republic of Ireland; died on 13 Jan 1910 in Durham Regional Municipality, Ontario, Canada; was buried in Pontypool Cemetery, Pontypool, Ontario, Canada.
4. Jonathan McKnight was born on 15 Mar 1842 in County Down, Northern Ireland, United Kingdom; died on 15 Sep 1916 in Durham Regional Municipality, Ontario, Canada; was buried in Ninth Line Cemetery, Cavan, Ontario, Canada.
5. Samuel McKnight, Jr. was born on 9 Jun 1846 in Republic of Ireland; died on 5 Feb 1917 in Peterborough, Ontario, Canada.