Named after a townland in Rashee parish, Co. Antrim. Tildarg is located on high ground and contains the peak Big Collin (353m). The reason for the choice of name is unclear at present. See also Tildarg Avenue, BT11.
Application of the owner: Mr John Elliott - a street on his property situate off Woodstock road be named Tildarg Street. Town Improvement Committee, 27th April 1898.