Likely a modern variation of Javen or Javin
Jaiven is a contemporary American invention, likely created by blending the biblical name Javan with the popular '-en' suffix trend. While it lacks a singular ancient etymology, it is often associated with the Hebrew name Javan, which refers to the Greek people or the fourth son of Japheth. Its rise in usage reflects a modern preference for familiar sounds in unique combinations.
Less common today
Jaiven isn't in the latest US Top 1000. It last peaked at #3,048 in 2013.
US births per 5-year period, 1990βpresent (SSA data).