Rajah is a distinctive boys' name in United States, ranking #5735 in 2019 with 16 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 166.7%. In 2019, approximately 1 in every 112,085 boys born was named Rajah. FALLING Recent data shows the name is currently falling.