Surveyor and civil engineer , resident at Ham Moor, Black Boy Bridge, Chertsey, Surrey. Son of Edward Cresy (1792–1858), the architect and civil engineer who advised CD about the purchase and improvement of Down House. Worked as an architectural draftsman in his father's office as a young man. Assisted his father in preparing his Cyclopædia of civil engineering in 1845. Assistant surveyor under the commissioners of sewers, 1849; afterwards engineer. Principal assistant clerk at the Metropolitan Board of Works, 1859. Architect to the fire brigade, 1866. Founder member of the Geologists' Association, 1858; president, 1864–5; vice-president, 1865–70.
Sources: Ann. Rep. Geol. Assoc 1859–70 Census returns 1861 PRO RG9/422: 118a) DNB s.v. Cresy, Edward (1792–1858)) Engineer 30 1870: 409
(See the bibliography for full references to sources)