Siddarth is a distinctive boys' name in United States, ranking #4971 in 2004 with 17 recorded births. This places Siddarth in the top 38% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2006 with 35 births ranking #3147. In 2004, approximately 1 in every 116,753 boys born was named Siddarth. FALLING Recent data shows the name is currently falling.