Supplanter
A modern American phonetic variant of the French name Jacqueline, which is the feminine form of Jacques. Jacques is derived from the Hebrew name Jacob, meaning 'supplanter' or 'one who follows'. While historically feminine, this spelling is occasionally used as a unique masculine variant in the United States.
Less common today
Jaqualin isn't in the latest US Top 1000. It last peaked at #5,646 in 1999.
US births per 5-year period, 1990βpresent (SSA data).