George married Elfie Lorena Keith 19 Apr 1905, Sussex, , New Brunswick, Canada. Elfie (daughter of Asa Harding Keith and Almina Jane Freeze) was born 19 Jan 1885, Havelock, Kings, New Brunswick, Canada; died 19 Nov 1939; was buried , Maplewood Cemetery, Petitcodiac, , New Brunswick, Canada. [Group Sheet]

1. Ralph Freeze McMackin was born 26 Nov 1912.
2. Mildred Almina McMackin was born 22 Mar 1907, Malden, , Massachusetts, United States; died 8 Aug 1968, Norton, , New Brunswick, Canada.
3. Hilda Amanda McMackin was born 1 Mar 1909, Malden, , Massachusetts, United States.
4. Alice Keith McMackin was born 18 Jul 1910, Petitcodiac, Westmorland, New Brunswick, Canada; died 29 Jan 1929, Petitcodiac, Westmorland, New Brunswick, Canada; was buried , Maplewood Cemetery, Petitcodiac, , New Brunswick, Canada.
5. Jennie Muriel McMackin