Semajay is a distinctive boys' name in United States, ranking #12912 in 2004 with 5 recorded births. This places Semajay in the bottom 2% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2007 with 12 births ranking #7006. In 2004, approximately 1 in every 396,960 boys born was named Semajay. STABLE Recent data shows the name is currently stable.