Jamarius is a distinctive boys' name in United States, ranking #6611 in 2025 with 13 recorded births. This places Jamarius in the top 47% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2006 with 97 births ranking #1539. Since 1996, the popularity has decreased by 74.0%. In 2025, approximately 1 in every 131,390 boys born was named Jamarius. FALLING Recent data shows the name is currently falling.