Isiah is a distinctive boys' name in United States, ranking #1397 in 2023 with 132 recorded births. This places Isiah in the top 10% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2001 with 822 births ranking #336. Since 1996, the popularity has decreased by 79.9%. In 2023, approximately 1 in every 12,944 boys born was named Isiah. STABLE Recent data shows the name is currently stable.