Blythe \b-ly-the\ as a boy's name (also used as girl's name Blythe), is of Old English origin, and the meaning of Blythe is "blithe, cheerful, carefree". Modern coinage. Made famous by the opening lines of Shelley's poem "To a Skylark", "Hail to thee, blithe spirit!" and Noel Coward's play "Blithe Spirit".

Blythe has 2 variant forms: Bligh and Blithe.

Baby names that sound like Blythe are Blade, Baldie, Balto, Platya, Plato, Platt and Pluto.