Lillie \l(il)-lie\ as a girl's name is a variant of Lillian (Latin) and Lily (Latin), and the meaning of Lillie is "lily".

The baby name Lillie sounds like Lallie, Lollie, Lillia, Lilli and Lilie. Other similar baby names are Aillie, Millie, Billie, Gillie, Jillie, Tillie and Willie.