Supplanter
A modern American phonetic variation 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 traditionally feminine, this specific spelling is occasionally used as a unique masculine or androgynous choice.
Less common today
Jaqualyn isn't in the latest US Top 1000. It last peaked at #7,006 in 2007.
US births per 5-year period, 1990βpresent (SSA data).