Isaak is a distinctive boys' name in United States, ranking #1310 in 2014 with 135 recorded births. This places Isaak in the top 9% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2009 with 218 births ranking #940. Since 1996, the popularity has increased by 39.2%. In 2014, approximately 1 in every 14,225 boys born was named Isaak. FALLING Recent data shows the name is currently falling.