He was born in the Canadian community of Yorkton near Fredericton in York County, New Brunswick to Isaac Stephenson (1790–ca. 1875), a lumberman and farmer born in Ireland of Scotch-Irish ancestry, and Elizabeth (Watson) Stephenson (?–1838), who was born in London.
Isaac Newton | Isaac Asimov | Isaac Stern | George Stephenson | Isaac Hayes | Neal Stephenson | Isaac | Robert Stephenson | Isaac Bashevis Singer | Isaac Leeser | Heinrich Isaac | Isaac Singer | Robert Stephenson and Company | Oscar Isaac | Isaac Watts | Isaac Julien | Stephenson | Shelagh Stephenson | Rabbi Isaac Elchanan Theological Seminary | Isaac Rosenberg | Isaac Levitan | Captain Isaac Biddlecomb | Binding of Isaac | Stephenson Percy Smith | John Stephenson | Isaac Stevens | Isaac Reed | Isaac of Armenia | Isaac Newton Group of Telescopes | Isaac Herzog |