Siddhartha is a distinctive boys' name in United States, ranking #3980 in 2019 with 27 recorded births. The name reached its all-time peak in 2015 with 33 births ranking #3419. Since 1996, the popularity has increased by 170.0%. In 2019, approximately 1 in every 66,421 boys born was named Siddhartha. STABLE Recent data shows the name is currently stable.