Isaak is a distinctive boys' name in United States, ranking #2693 in 2025 with 48 recorded births. The name reached its all-time peak in 2009 with 218 births ranking #940. Since 1996, the popularity has decreased by 50.5%. In 2025, approximately 1 in every 35,585 boys born was named Isaak. FALLING Recent data shows the name is currently falling.