Elfie \e-lfie, el-fie\ as a girl's name is a variant of Alfreda (Old German, Old English), Elfrida (Old English, Old German) and Elva (Irish), and the meaning of Elfie is "elf or magical counsel; elf, magical being strength; white, noble, bright".
The baby name Elfie sounds like Alfie and Elvie. Other similar baby names are Elfre, Ellie, Effie and Elsie.