Kailani is a moderately popular girls' name in United States, ranking #222 in 2022 with 1,349 recorded births. The name reached its all-time peak in 2022 with 1,349 births ranking #222. Since 1996, the popularity has increased by 7,000.0%. In 2022, approximately 1 in every 1,215 girls born was named Kailani. FALLING Recent data shows the name is currently falling.