Jamarius is a distinctive boys' name in United States, ranking #4138 in 2018 with 25 recorded births. The name reached its all-time peak in 2006 with 97 births ranking #1539. Since 1996, the popularity has decreased by 50.0%. In 2018, approximately 1 in every 72,619 boys born was named Jamarius. FALLING Recent data shows the name is currently falling.