Oliffe \o-liffe, ol(if)-fe\ as a girl's name is a variant of Olivia (Latin), and the meaning of Oliffe is "olive tree".
The baby name Oliffe sounds like Oliff and Olive. Other similar baby names are Oline, Elfie, Allfie, Alfie, Olette, Olathe, Olisa, Olinia, Olina, Olia, Oliana, Olida, Ollie, Olivya, Olivine, Olivet, Oliveea and Oliva.