From Flight of 19 July 1917:
Flight Sub-Lieutenant HUGH ALLAN, R.N., killed on July 6th, aged 20, joined the 5th Royal Highlanders of Canada in September, 1915, and subsequently took the
machine-gun course at Hythe, becoming an Instructor. He transferred to the R.N.A.S. in June, 1916, and went to the front last May. Born at Montreal, Canada, he was the only son of Lieutenant-Colonel Sir H. Montague Allan, C.V.O., and Lady Allan, of Ravenscrag, Montreal, Canada, and was educated at Lennoxville Preparatory School, Eton (Eton member of Pop) and McGill College (McGill member Zeta Phtsi).
As per Royal Navy Aircraft Serials and Units 1911-1919, after being flown by Breadner, N6181 was sent to Dover for repair on 8 May 1917 and returned to 3 Naval Sqn on 4 June, then "dived in from 1000ft into wheat field nr Furnes, between Oost Dunkerque and Coxyde 6.7.17".
Graeme
There's a picture of Allan's sisters at
http://smartpei.typepad.com/robert_p...weblog/family/