Rajah is a distinctive girls' name in United States, ranking #10554 in 1997 with 8 recorded births. This places Rajah in the bottom 35% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2001 with 13 births ranking #8081. In 1997, approximately 1 in every 217,582 girls born was named Rajah. FALLING Recent data shows the name is currently falling.