He married Catherine Vesey, one of the numerous children of John Vesey, Archbishop of Tuam, by his second wife Anne Muschamp, and had several children.
^National Library of Ireland Collection List No. 120 "Papers of the Family of Smyth of Barbavilla
^Alumni Dublinenses: a register of the students, graduates, professors and provosts of Trinity College in the University of Dublin (1593-1860)" Burtchaell, George Dames/Sadleir, Thomas Ulick (Eds) p785: Dublin, Alex Thom and Co, 1935
^”Fasti ecclesiae Hibernicae: the succession of the prelates and members of the Cathedral bodies of Ireland Vol III” Cotton, H p129: Dublin, Hodges,1848