Jamarrius is of African origin, derived from 'Yamar' meaning 'God will hear' and 'Rius', a variant of 'Reese'. It's a unique name that gained prominence in the United States during the late 20th century.
"The name Jamarrius saw a steady increase in popularity from 1993 to 2003, peaking at 8 births that year. After 2003, the number of babies named Jamarrius fluctuated between 5 and 8 per year until 2011, with a total of 83 births recorded over the course of these years."