Rajah is a distinctive boys' name in United States, ranking #5082 in 2002 with 15 recorded births. This places Rajah in the top 41% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2020 with 17 births ranking #5404. Since 1996, the popularity has increased by 150.0%. In 2002, approximately 1 in every 129,431 boys born was named Rajah. FALLING Recent data shows the name is currently falling.