Supplanter or one who follows
Jamiaya is a modern American invention, likely created by blending the traditional name Jamie with the popular 'aya' suffix. It shares the etymological roots of James and Jacob, which refer to the biblical story of grasping the heel.
Less common today
Jamiaya isn't in the latest US Top 1000. It last peaked at #9,776 in 2009.
US births per 5-year period, 1990βpresent (SSA data).