Iszak is a distinctive boys' name in United States, ranking #11184 in 2006 with 6 recorded births. This places Iszak in the bottom 20% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2006 with 6 births ranking #11184. In 2006, approximately 1 in every 342,520 boys born was named Iszak. FALLING Recent data shows the name is currently falling.