Niall is a distinctive boys' name in United States, ranking #1908 in 2017 with 76 recorded births. The name reached its all-time peak in 2024 with 109 births ranking #1582. Since 1996, the popularity has increased by 123.5%. In 2017, approximately 1 in every 24,346 boys born was named Niall. STABLE Recent data shows the name is currently stable.