Isaac Coombes was born 1883 in Port Macquarie, New South Wales, Australia to John Coombes (1844-1942) and Sarah Jane Cameron (1859-1917) and died 27 March 1970 Port Macquarie, New South Wales, Australia of unspecified causes. He married Mary Ellen Smith (1883-1972) 29 January 1904 in Stroud, New South Wales, Australia.
Children
| Name | Birth | Death | Joined with |
| Thomas A Coombes (c1905-?) | |||
| Cecil Isaac Coombes (1906-1968) | |||
| David Henry Coombes (1908-1949) | |||
| Gladys Maud Coombes (c1910-?) | |||
| Irene Alice Coombes (1912-1927) | |||
| Reuben Edward Coombes (1914-1959) | |||
| Kathleen M Coombes (c1916-?) | |||
| Jeffery Samuel Coombes (c1918-?) | |||
| Donald Macquarie Coombes (?-?) | |||
| Stella Margaret Coombes (?-?) | |||
| Hilda Jane Coombes (?-?) | |||
Footnotes (including sources)
| ‡ General |
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