Gender / Sex: girl (Hilliary's also a boy name)
Meaning: cheerful, happy
Sounds Like: Hillary, Hillery
Similar Names: Hilly, Hellia, Hilaire, Holliday, Mallary, Fillira
Hilliary \hi-llia-ry\ as a girl's name (also used as boy's name Hilliary), is a variant of Hilary (Latin), and the meaning of Hilliary is "cheerful, happy".
The baby name Hilliary sounds like Hillary and Hillery. Other similar baby names are Hilly, Hellia, Hilaire, Holliday, Mallary and Fillira.
Hilliary is not a popular first name for women and an equally uncommon surname or last name for both men and women. (1990 U.S. Census)