"Mr. J. Brown moved the adoption of this report, which, in addition to the usual statement of ordinary accounts, contained the following:- Your committee have named the new streets between Castlereagh Road and Cregagh Road Jocelyn Avenue, Kingscourt Street, Leitrim Street, Moneyrea Street, Newry Street, Omeath Avenue, Portobello Street, Quinton Street, Rostrevor Street and Euston Street...”. (Northern Whig - Saturday 02 September 1882).
"Resolved. That on the application of Mr J. Vint, the new street off My Lady's Road, adjoining Willowfield Church, be called - Jocelyn Street". (Improvement Committee, 24th June 1891).
"Named from Jocelyn Cottage" and grounds, situated on the leading road to Cregagh. It was a neat cottage, with some 20 acres of a land, gardens, plantations, and a porter's lodge". (Belfast Street Names. John J. Marshall) The name Jocelyn is a Hebrew girl’s name meaning happy, Joyful.