Jamarius is a distinctive boys' name in United States, ranking #1726 in 1999 with 60 recorded births. The name reached its all-time peak in 2006 with 97 births ranking #1539. Since 1996, the popularity has increased by 20.0%. In 1999, approximately 1 in every 32,001 boys born was named Jamarius. FALLING Recent data shows the name is currently falling.