Supplanter or one who follows
Jaquia is a modern American invention, likely created as a rhythmic variation of Jacqueline or a feminine elaboration of the name Jack. It shares the etymological roots of James and Jacob, which traditionally refer to one who follows or replaces another.
Less common today
Jaquia isn't in the latest US Top 1000. It last peaked at #7,988 in 1992.
US births per 5-year period, 1990βpresent (SSA data).