Kiera is a moderately popular girls' name in United States, ranking #443 in 1998 with 582 recorded births. The name reached its all-time peak in 2007 with 1,147 births ranking #293. Since 1996, the popularity has increased by 20.2%. In 1998, approximately 1 in every 3,036 girls born was named Kiera. STABLE Recent data shows the name is currently stable.