He had three sons and two daughters: Robert Cornwall Lewis-Crosby, Edith Patricia Charity Lewis-Crosby, John Ernest Cornwall Lewis-Crosby (who became Secretary of the National Trust of Northern Ireland), Francis Gabriel Cornwall (who changed his surname upon inheriting his uncle's homestead), and Hilda Florence Harriet Lewis-Crosby.[citation needed]
He helped establish the Church of Ireland Divinity Hostel in 1913, by allowing his property on Mountjoy Square to be used by the Hostel rent free for a number of years.
Notes
^Among others he wrote "Celtic Churches in the Diocese of Dublin", 1932; "The Ancient Books of Christ Church Cathedral", Dublin, 1947; "A Short History of Christ Church Cathedral", 1949; "The Annals of Christ Church Cathedral", 1950; "Our Two Cathedrals, from foundation to Reformation", 1951 British Library website accessed 12:01 GMT, 18 July 2012
^"Lewis-Crosby, Very Rev. Ernest Henry Cornwall", Who Was Who, A & C Black, 1920–2008; online edn, Oxford University Press, Dec 2007 accessed 15 July 2012