Bay is a distinctive girls' name in United States, ranking #8612 in 2022 with 12 recorded births. The name reached its all-time peak in 2014 with 75 births ranking #2419. Since 1996, the popularity has increased by 140.0%. In 2022, approximately 1 in every 136,564 girls born was named Bay. FALLING Recent data shows the name is currently falling.