+———Irwin VANCE (17 Mar 1819 Canada – 12 Dec 1911 March, Ontario, Canada)  |      John Irwin VANCE (1860 – 1940)  |              |       +———William CAVANAGH (1759 Tipperary, Ireland – abt 1819 Tipperary, Ireland)  |       |  |   +———William CAVANAGH (abt 1798 Tipperary, Ireland – 1838 Fitzroy, Ontario, Canada)  |   |   |      |   |   +———Elizabeth “Eliza” DONNELLY (abt 1769 Tipperary, Ireland – abt 1829 Tipperary, Ireland)  |   |  +———Eliza CAVANAGH (1828 Ontario, Canada – 10 Oct 1910)      |              |   +———Thomas HODGINS      |   |      +———Rebecca HODGINS (28 Oct 1803 Tipperary, Ireland – 11 Jan 1878 Huntley, Ontario, Canada)          |              +———Mary