Donald married Adelaide Beatrice Louise Owen 17 Oct 1892, Charlottetown, Queens, Prince Edward Island, Canada. Adelaide (daughter of Charles Owen and Annie Alice Muncey) was born 10 Jul 1871, , , Prince Edward Island, Canada; was christened 11 Feb 1872, Georgetown, , Prince Edward Island, Canada; died 11 Apr 1912, Charlottetown, , Prince Edward Island, Canada; was buried , St Peter's Cemetery, Charlottetown, Queens, Prince Edward Island, Canada. [Group Sheet]

1. William J D MacKinnon was born 23 Aug 1892, , , Prince Edward Island, Canada; died Yes, date unknown.
2. Beatrice MacKinnon was born 9 Oct 1894, , , Prince Edward Island, Canada.
3. Arthur Murray MacKinnon was born 23 Jul 1899, Charlottetown, , Prince Edward Island, Canada; died Yes, date unknown.