Sai is a distinctive girls' name in United States, ranking #7429 in 2006 with 17 recorded births. The name reached its all-time peak in 2020 with 24 births ranking #5286. Since 1996, the popularity has increased by 183.3%. In 2006, approximately 1 in every 111,828 girls born was named Sai. FALLING Recent data shows the name is currently falling.