ABERNETHY, William (d. c.1930 ). "William Abernethy probably came from near Comber, County Down. He learned his trade with a Belfast photographer and set up a business in High Street, Belfast, in 1886. For many years he was successful as a portrait photographer and opened branches in Bangor and Newry, County Down. He visited the Holy Land. With the advent of polyfoto in Belfast his business declined."

Reference: Dictionary of Ulster Biography http://www.ulsterbiography.co.uk/biogsA.htm