Sai is a distinctive girls' name in United States, ranking #7772 in 2017 with 15 recorded births. The name reached its all-time peak in 2020 with 24 births ranking #5286. Since 1996, the popularity has increased by 150.0%. In 2017, approximately 1 in every 115,059 girls born was named Sai. FALLING Recent data shows the name is currently falling.