Meaning & Origin
A diminutive of the female given name Elizabeth.
Betty is a girl's and boy's baby name of Hebrew origin, a diminutive of Elizabeth, from the Hebrew Elisheba, meaning 'my God is an oath' or 'pledged to God.'
Betty was the #1 girl's name in the U.S. in the late 1920s — capturing the spirit of the Jazz Age and the golden era of Hollywood. Betty White and Betty Davis gave the name an enduring showbiz glamour that still charms today.