Niall is a distinctive boys' name in United States, ranking #3135 in 2006 with 35 recorded births. This places Niall in the top 22% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2024 with 109 births ranking #1582. In 2006, approximately 1 in every 58,718 boys born was named Niall. STABLE Recent data shows the name is currently stable.