Isiaha is a distinctive boys' name in United States, ranking #4051 in 2007 with 25 recorded births. The name reached its all-time peak in 1999 with 28 births ranking #2970. Since 1996, the popularity has increased by 66.7%. In 2007, approximately 1 in every 83,009 boys born was named Isiaha. FALLING Recent data shows the name is currently falling.