Kiera is a moderately popular girls' name in England & Wales, ranking #139 in 1999 with 334 recorded births. The name reached its all-time peak in 2005 with 588 births ranking #92. Since 1996, the popularity has increased by 51.1%. In 1999, approximately 1 in every 843 girls born was named Kiera. STABLE Recent data shows the name is currently stable.