Thomas married 1 Caroline Mary WEATHERLEY in Apr 1874 in Hackney District, Middlesex, England. Caroline was born about 1840. She died 2 in 1928 in Glen Huntly District, Victoria, Australia. Caroline had a will probated in 1928 in Principal Registry, London, London, England.
They had the following children:
+ 2 M i Thomas Cyril Markham ISMAY 3 F ii Christine Mary ISMAY was born 1 1 Q 1877 in Hackney District, Middlesex, England. Christine married Henry Carew GOWER. 4 F iii Kathleen Mabel ISMAY was born 1 in 1881 in Emerald District, Victoria, Australia. Kathleen married 1 William CURRAN in 1907 in Victoria District, Victoria, Australia. 5 M iv Thomas Harold ISMAY was born 1 in 1884 in Melbourne District, Victoria, Australia. He died 2 in 1933 in Surrey Hills District, Victoria, Australia.