+———Thomas DELAHUNT (1823 Ontario, Canada – 14 Jan 1892)      |  +———Thomas DELAHUNT (1853 Ontario, Canada – 1933)  |   |          |   |   +———John OLIVE (1788 Borriskane, Ireland – 27 Apr 1867)  |   |   |  |   +———Elizabeth OLIVE (1824 Ireland – 26 Feb 1900 Fitzroy, Ontario, Canada)  |       |          |       |   +———William CAVANAGH (1759 Tipperary, Ireland – abt 1819 Tipperary, Ireland)  |       |   |  |       +———Mary CAVANAGH (abt 1800 Tipperary, Ireland – 16 Oct 1867 Huntley, Ontario, Canada)  |           |      |           +———Elizabeth “Eliza” DONNELLY (abt 1769 Tipperary, Ireland – abt 1829 Tipperary, Ireland)  |      Alfred Ernest DELAHUNT   |      +———Elena OLINE (1861 – )