Sidarth is a distinctive boys' name in United States, ranking #11261 in 2005 with 6 recorded births. This places Sidarth in the bottom 16% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2005 with 6 births ranking #11261. In 2005, approximately 1 in every 332,858 boys born was named Sidarth. FALLING Recent data shows the name is currently falling.