Pledged to God
A modern Spanish-influenced diminutive of Elizabeth, ultimately derived from the Hebrew name Elisheva. It carries the traditional meaning of being a promise or oath to God, reimagined with a contemporary phonetic flair.
Less common today
Bethzy isn't in the latest US Top 1000. It last peaked at #886 in 2006.
US births per 5-year period, 1990βpresent (SSA data).