Hugh married Beatrice Alice Hugo on 12 Aug 1889 in British Consulate, Santos, Brazil. Beatrice (daughter of Harper Richard Hugo and Blanche Leggatt) was born on 11 Apr 1863 in St. Helier, Jersey, Channel Islands; was christened on 13 Dec 1865 in Jersey, Channel Islands; died on 27 Apr 1936 in Earls Court, Middlesex, England. [Group Sheet]

1. Laura Blanche Clare McMaster was born between 1 Jul 1890 and 30 Sep 1890 in Enfield, Middlesex, England; died between 1 Apr 1966 and 30 Jun 1966 in Richmond District, Surrey, England.
2. Dugan Hugo Fisher McMaster was born between 1 Jul 1895 and 30 Sep 1895 in Edmonton District, Middlesex, England; died on 23 May 1959 in Campsie, New South Wales, Australia; was buried on 25 May 1959 in Rookwood Cemetery & Crematorium, Sydney, New South Wales, Australia.
3. Frank Hugh McMaster was born about 1898 in Wimbledon, Surrey, England; died on 31 May 1918 in Eastchurch, Kent, England.