What does the name libby mean?

Usually short for Elizabeth. "God is my vow". Biblical. Hebrew. Other nicknames:

Betsey, Beth, Liz, Liza. Other variations of Elizabeth are Elspeth (Scottish) and

Elisabeth. Or it might be Libby from a family last name. Libby Foods. E. Gordon Libby.

Famous Elizabeth who is especially timely in this month (February) is

Eliz. Barrett Browning, the poet.