Iszak is a distinctive boys' name in United States, ranking #13303 in 2008 with 5 recorded births. This places Iszak in the bottom 9% 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 2008, approximately 1 in every 407,989 boys born was named Iszak. FALLING Recent data shows the name is currently falling.