Fairfax was educated at Westminster School and Christ Church, Oxford.Faber-Flood Pages 480-509 Alumni Oxonienses 1500-1714. Originally published by University of Oxford, Oxford, 1891. He held livings at Barnham, Suffolk and Euston, Suffolk. He was Archdeacon of Clogher from 1716 to 1718;"Fasti Ecclesiae Hibernicae: The succession of the prelates Volume 3" Cotton,H. p92 Dublin, Hodges & Smith, 1848–1878
