Ashfield, Rathfarnham, 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. 12. “(Cusack-Smith, Bt/Pb; Denis-Tottenham, sub Tottenham/IFR) A Georgian house of two storeys over high basement. Three bay front; solid roof parapet with urns; C19 porch. Blind lunette windows in side elevation. The seat of Sir William Cusack-Smith, 2^nd Bt Baron of the Court of Exchequer in Ireland 1801-36.”