Gavin married Anne Morris, daughter of James Morris and Sarah Willoch. (Anne Morris was born on 12 Sep 1852 in Ste Therese, Quebec, Canada 51, christened on 8 Oct 1852 in Ste Therese, Quebec, Canada, died on 12 Oct 1852 in Ste Therese, Quebec, Canada 51 and was buried on 14 Oct 1852 in Ste Therese, Quebec, Canada.)
