Rajan is a moderately popular boys' name in England & Wales, ranking #484 in 2001 with 42 recorded births. This places Rajan in the top 12% of ranked UK boys' names for the year. Its actual usage is classified as Moderately Popular. The name reached its all-time peak in 1999 with 64 births ranking #359. In 2001, approximately 1 in every 6,853 boys born was named Rajan. FALLING Recent data shows the name is currently falling.