Semaj is a distinctive boys' name in United States, ranking #738 in 2004 with 254 recorded births. The name reached its all-time peak in 2011 with 374 births ranking #627. Since 1996, the popularity has increased by 146.6%. In 2004, approximately 1 in every 7,814 boys born was named Semaj. FALLING Recent data shows the name is currently falling.