Leah is a highly popular girls' name in United States, ranking #46 in 2021 with 4,474 recorded births. The name reached its all-time peak in 2009 with 6,790 births ranking #29. Since 1996, the popularity has increased by 34.5%. In 2021, approximately 1 in every 366 girls born was named Leah. STABLE Recent data shows the name is currently stable.