John married Phoebe VANDERBURGH on 30 Aug 1876 in Allanburgh, Ontario. Phoebe (daughter of Garret VANDERBURGH and Deborah BURTCH) was born in 1853 in Allanburg, Thorold Township, Ontario ; died on 19 Sep 1901 in Lincoln, Ontario, Canada. [Group Sheet] [Family Chart]

1. Garrett Vanderburg MACMILLAN was born on 21 Mar 1879 in Allanburg, Thorold Township, Ontario ; died on 13 November 1958 in Auburn, Cayuga County, New York, USA; was buried in Auburn, Cayuga County, New York, USA.
2. Mildred Leone MACMILLAN was born on 5 Sep 1881 in Allanburg, Ontario; died on 10 March 1971 in Niagara Regional Municipality, Ontario, Canada; was buried in Lundy's Lane, Niagara Regional Municipality, Ontario, Canada.
3. Olga Irene MACMILLAN was born on 3 Oct 1883 in Allanburg, Thorold, Township, Ontario, Canada; died on 2 Nov 1969 in Niagara Falls, Niagara, Ontario, Canada; was buried in Niagara Falls, Niagara Regional Municipality, Ontario, Canada.