Jamarius is a distinctive boys' name in United States, ranking #1800 in 1998 with 56 recorded births. The name reached its all-time peak in 2006 with 97 births ranking #1539. Since 1996, the popularity has increased by 12.0%. In 1998, approximately 1 in every 34,131 boys born was named Jamarius. FALLING Recent data shows the name is currently falling.