Duncluce Avenue had originally been called Dunluce Street until the owners and residents requested a name change.
"The application of Mr. John Ritchie of 93 Victoria Street to name a new street off the Lisburn Road 'Dunluce Street' be granted. (11th November 1868).
“Resolved that on the application of the deputation of owners and residents in Dunluce Street that waited on the Committee of 13th ult. the name of that street be changed to Dunluce avenue. (Improvement Committee, 11th October 1893).
It is interesting to note that the following decision was recorded in the minutes of the Improvement Committee of 25th October 1893: "that no street whether a new one or one already named of less than 50 feet in width be hereafter called an Avenue".