Izaiah is a distinctive boys' name in United States, ranking #555 in 2021 with 514 recorded births. The name reached its all-time peak in 2009 with 742 births ranking #400. Since 1996, the popularity has increased by 550.6%. In 2021, approximately 1 in every 3,401 boys born was named Izaiah. FALLING Recent data shows the name is currently falling.