Siddhartha is a distinctive boys' name in United States, ranking #5739 in 2018 with 16 recorded births. The name reached its all-time peak in 2015 with 33 births ranking #3419. Since 1996, the popularity has increased by 60.0%. In 2018, approximately 1 in every 113,467 boys born was named Siddhartha. STABLE Recent data shows the name is currently stable.