Iasiah is a distinctive boys' name in United States, ranking #6731 in 1999 with 9 recorded births. The name reached its all-time peak in 2002 with 10 births ranking #6723. Since 1996, the popularity has increased by 50.0%. In 1999, approximately 1 in every 213,343 boys born was named Iasiah. RISING Recent data shows the name is currently rising.