Lewis & Short

Laurŏlāvīnĭum, i, n., a later name of the city Lavinium, after (about the time of the Antonines) the inhabitants of Laurentum were transplanted thither, Front. de Colon. p. 105 Goes.; Serv. ad Verg. A. 7, 59.
Hence, Laurens Lāvīnāris, Laurentis Lavinaris, m., an inhabitant of Lauro-Lavinium, Symm. Ep. 1, 71 (v. Laurentum, A. 1. fin.).