Keira is a moderately popular girls' name in United States, ranking #472 in 2021 with 662 recorded births. The name reached its all-time peak in 2006 with 3,022 births ranking #110. Since 1996, the popularity has increased by 413.2%. In 2021, approximately 1 in every 2,477 girls born was named Keira. FALLING Recent data shows the name is currently falling.