+———Arthur STEVENSON (bef 1790 Ireland – )          |      +———John STEVENSON (1807 Ireland – 3 Nov 1890)      |  +———J. Thomas “Thomas” STEVENSON (14 Oct 1848 Quebec, Canada – )  |   |          |   |   +———Thomas KIRK (Londonderry, Ireland – )  |   |   |  |   +———Catharine KIRK (abt 1813 – 10 Nov 1864)  |       |      |       +———Catherine GREEN (1782/3 – 27 Apr 1854)  |      Lillie F. STEVENSON (Jul 1880 Quebec, Canada – 1964)  |          |   +———James MCKITTRICK (abt 1811 Ireland – )  |   |  +———Nancy MCKITTRICK (15 Dec 1858/9 Quebec, Canada – 1927)      |          +———Isabella (abt 1814 Ireland – )