Bullock Castle, Dalkey, Co Dublin

Bence-Jones, Mark. A Guide to Irish Country Houses (originally published as Burke’s Guide to Country Houses volume 1 Ireland by Burke’s Peerage Ltd. 1978); Revised edition 1988 Constable and Company Ltd, London. 

p. 49. “A medieval castle with two square Irish-battlemented towers and a plain three storey three bay later wing. In 1910 the residence of S.A. Quan-Smith.”