Semaj is a distinctive girls' name in United States, ranking #3006 in 1998 with 43 recorded births. The name reached its all-time peak in 2009 with 133 births ranking #1685. Since 1996, the popularity has increased by 34.4%. In 1998, approximately 1 in every 41,090 girls born was named Semaj. FALLING Recent data shows the name is currently falling.