Isaak is a distinctive boys' name in United States, ranking #1077 in 2006 with 165 recorded births. The name reached its all-time peak in 2009 with 218 births ranking #940. Since 1996, the popularity has increased by 70.1%. In 2006, approximately 1 in every 12,455 boys born was named Isaak. FALLING Recent data shows the name is currently falling.