Duncan married Hester Ann OLMSTEAD on 31 Mar 1876. Hester (daughter of Albert Kidder OLMSTEAD and Sarah WALLACE) was born on 25 Apr 1857 in Ross Twp., Renfrew, Ontario, Canada; died on 5 Feb 1939 in Cobden, Renfrew, Ontario, Canada; was buried in Cobden, Renfrew, Ontario, Canada. [Group Sheet] [Family Chart]

1. William Albert MCEWEN was born on 25 Jun 1876 in Ross Twp., Renfrew, Ontario, Canada; died on 8 Jun 1932 in Sherridon, , Manitoba, Canada; was buried in Minitonas, Parkland Region, Manitoba, Canada.
2. Peter MCEWEN was born on 22 Nov 1879 in Ross Twp., Renfrew, Ontario, Canada; died before 1891.
3. Janet Jennie MCEWEN was born on 18 Jul 1880 in Ross Twp., Renfrew, Ontario, Canada; died on 29 Nov 1955; was buried in Cobden, Renfrew, Ontario, Canada.
4. Sarah Ann MCEWEN was born on 3 Jul 1883 in Ross Twp., Renfrew, Ontario, Canada; died on 23 Apr 1931 in Pembroke Twp., Renfrew, Ontario, Canada; was buried in Beachburg, Renfrew, Ontario, Canada.
5. Russell MCEWEN was born on 22 Apr 1886 in Ross Twp., Renfrew, Ontario, Canada; died on 16 Apr 1950 in Renfrew, Renfrew, Ontario, Canada; was buried in Cobden, Renfrew, Ontario, Canada.
6. Ephraim MCEWEN was born on 14 Apr 1887 in Ross Twp., Renfrew, Ontario, Canada; died on 4 May 1957 in Northcote, Renfrew, Ontario, Canada; was buried in Cobden, Renfrew, Ontario, Canada.
7. Elizabeth Delilah MCEWEN was born on 9 Jun 1889 in Ross Twp., Renfrew, Ontario, Canada; and died.
8. Laurier MCEWEN was born on 25 Feb 1894 in Ross Twp., Renfrew, Ontario, Canada; died on 30 Nov 1968 in Renfrew, Renfrew, Ontario, Canada; was buried in Cobden, Renfrew, Ontario, Canada.
9. Ross Olmstead MCEWEN was born on 5 Sep 1898 in Cobden, Renfrew, Ontario, Canada; died on 19 Oct 1956 in Eganville, Renfrew, Ontario, Canada; was buried in Cobden, Renfrew, Ontario, Canada.

William + Janet MCINTYRE. Janet was born about 1829 in , , , Scotland; died before 1881. [Group Sheet] [Family Chart]