Sai is a distinctive girls' name in United States, ranking #10169 in 1999 with 9 recorded births. The name reached its all-time peak in 2020 with 24 births ranking #5286. Since 1996, the popularity has increased by 50.0%. In 1999, approximately 1 in every 197,087 girls born was named Sai. FALLING Recent data shows the name is currently falling.