Arun is a moderately popular boys' name in England & Wales, ranking #349 in 2007 with 105 recorded births. This places Arun in the top 6% of ranked UK boys' names for the year. Its actual usage is classified as Moderately Popular. The name reached its all-time peak in 2007 with 105 births ranking #349. Since 1996, the popularity has increased by 45.8%. In 2007, approximately 1 in every 3,156 boys born was named Arun. FALLING Recent data shows the name is currently falling.