Supplanter or one who follows
Jamaiya is a modern American elaboration of the name Jamia or Jamiya, which itself is a feminine form of James or Jamie. It ultimately derives from the Hebrew name Jacob, referring to the biblical patriarch who was born holding his twin's heel.
Less common today
Jamaiya isn't in the latest US Top 1000. It last peaked at #4,910 in 2007.
US births per 5-year period, 1990βpresent (SSA data).