FAIRFORD is in Melodies and Chants (1883 and 1904) as tune #102, p63. It is there suggested for hymn 60 (of the 1881 edition of Little Flock), 'Our thanks to God most high' by Isaac Watts. The hymn is in the 1838, 1856, 1881, 1894, 1928, and 1978 editions but was omitted in the 1903 edition and not reselected in 1932, 1951, or 1962 et al.
Also, FAIRFORD is tune #187 in the blue Little Flock Tune Book (1954) and #197 in the green Little Flock Tune Book (revised 1979).