Siddhartha is a distinctive boys' name in United States, ranking #6567 in 2020 with 13 recorded births. The name reached its all-time peak in 2015 with 33 births ranking #3419. Since 1996, the popularity has increased by 30.0%. In 2020, approximately 1 in every 132,697 boys born was named Siddhartha. STABLE Recent data shows the name is currently stable.