Hillery \hi-lle-ry\ as a boy's name (also used as girl's name Hillery), is a variant of Hilary (Latin), and the meaning of Hillery is "cheerful, happy".

The baby name Hillery sounds like Hillary and Hiller. Other similar baby names are Ellery, Halley, Heller, Hilliary, Hillard, Hillyer, Hillier, Hillel, Hillierd, Mallery and Miller.