Sun is a distinctive girls' name in United States, ranking #11137 in 2022 with 9 recorded births. The name reached its all-time peak in 2000 with 11 births ranking #9090. Since 1996, the popularity has increased by 12.5%. In 2022, approximately 1 in every 182,085 girls born was named Sun. FALLING Recent data shows the name is currently falling.