Hildie \hi(l)-die\ as a girl's name is a variant of Brunhilda (Old German) and Hilda (Old German), and the meaning of Hildie is "ready for battle; battle woman".

The baby name Hildie sounds like Hildi, Hilde and Huldie. Other similar baby names are Tildie, Hildy, Helodie, Hittie, Goldie, Hallie, Halie, Heddie, Hilarie, Hilaire, Hille, Holde, Hollie, Lidie and Tilde.