Simpson married Alice Marion Goldie (died 1 July 1928) in January 1885. A beneficiary of her will was
St Alban's College, Hunters Hill, for an "A. H. Simpson Scholarship" to benefit boys wanting to enter the Anglican ministry. Their family included three sons and a daughter: • George Barre Goldie Simpson (7 January 1887 – 1915) was killed on the
Western Front. • Adam James Goldie Simpson (9 March 1888 – 14 August 1957) married Marjorie M. Blaxland on 20 December 1916. • Hilda Marion "Ellen" Simpson (26 March 1890 – 21 August 1954) unmarried • Claude Herbert Goldie Simpson (3 May 1893 – 19 April 1960) ==See also==