Isiah is a distinctive boys' name in United States, ranking #1310 in 2024 with 148 recorded births. The name reached its all-time peak in 2001 with 822 births ranking #336. Since 1996, the popularity has decreased by 77.5%. In 2024, approximately 1 in every 11,590 boys born was named Isiah. STABLE Recent data shows the name is currently stable.