Supplanter
A modern American spelling variation of Jacqueline, which is the French feminine form of Jacques (James). It ultimately derives from the Hebrew name Jacob, referring to one who follows or replaces.
Less common today
Jackalyn isn't in the latest US Top 1000. It last peaked at #4,852 in 1997.
US births per 5-year period, 1990βpresent (SSA data).