Semaj is a distinctive boys' name in United States, ranking #1035 in 2017 with 195 recorded births. The name reached its all-time peak in 2011 with 374 births ranking #627. Since 1996, the popularity has increased by 89.3%. In 2017, approximately 1 in every 9,489 boys born was named Semaj. FALLING Recent data shows the name is currently falling.