Pledged to God
A rare spelling variant of Isabel, which itself is a Spanish form of Elizabeth. It ultimately derives from the Hebrew name Elisheba, meaning 'God is my oath' or 'pledged to God'. This specific spelling with a 'Y' adds a vintage, medieval flair to the more common version.
Less common today
Ysabela isn't in the latest US Top 1000. It last peaked at #8,205 in 2004.
US births per 5-year period, 1990βpresent (SSA data).
Infanta of Castile and daughter of Isabella I