The word blithe means "carefree." It's a lively, sophisticated little word that many associate with Noel Coward's Blithe Spirit -- a lively, sophisticated little play. The spelling Blythe wraps all those good vibes up into an elegant English surname. This is an uncommon and stylish name.
What does Blithe mean? Blithe as a name for girls (also used as boys' name Blithe) is of Old English derivation, and Blithe means "blithe, cheerful, carefree". Blithe is a variant form of Blythe (Old English): modern coinage.