Isiah is a distinctive boys' name in United States, ranking #1331 in 2022 with 141 recorded births. The name reached its all-time peak in 2001 with 822 births ranking #336. Since 1996, the popularity has decreased by 78.6%. In 2022, approximately 1 in every 12,371 boys born was named Isiah. STABLE Recent data shows the name is currently stable.