Meaning and name origin
Hildie \hi(l)-die\ as a girl's name is of Old German origin, and the meaning of Hildie is "ready for battle; battle woman". Hildie is a variant of Brunhilda (Old German): heroine of the Siegfried legend made popular by the Ring cycle of operas by Richard Wagner. Also a variant of Hilda (Old German): saint Hilda (seventh century) was a much-esteemed abbess of her time in England.
Hildie is not a popular first name for females and an equally uncommon surname or last name for all people (2000 U.S. Census).
Displayed below is a comparison of the popularity of the girl name Hildie and its variant forms. The only popular variation form ranked in the Top 1000/100 is Hilda. (2014 statistics).