Keelin is a distinctive boys' name in United States, ranking #9325 in 2025 with 8 recorded births. The name reached its all-time peak in 2000 with 23 births ranking #3590. Since 1996, the popularity has decreased by 20.0%. In 2025, approximately 1 in every 213,510 boys born was named Keelin. STABLE Recent data shows the name is currently stable.