This page is historical. Follow this link for the current version.
Dictionary of Medieval Names
from European Sources

Blithe f. Old English blīþe 'happy, joyful, glad'.

England
English
1583 Blith StAnthonlin p. 30
Cite as: S.L. Uckelman. "Blithe". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2015, no. 2. http://dmnes.org/2015/2/name/Blithe.