Isaak is a distinctive boys' name in United States, ranking #800 in 2001 with 210 recorded births. The name reached its all-time peak in 2009 with 218 births ranking #940. Since 1996, the popularity has increased by 116.5%. In 2001, approximately 1 in every 9,252 boys born was named Isaak. FALLING Recent data shows the name is currently falling.