Isaak is a distinctive boys' name in United States, ranking #805 in 2002 with 214 recorded births. The name reached its all-time peak in 2009 with 218 births ranking #940. Since 1996, the popularity has increased by 120.6%. In 2002, approximately 1 in every 9,072 boys born was named Isaak. FALLING Recent data shows the name is currently falling.