Isaak is a distinctive boys' name in United States, ranking #1210 in 2013 with 148 recorded births. The name reached its all-time peak in 2009 with 218 births ranking #940. Since 1996, the popularity has increased by 52.6%. In 2013, approximately 1 in every 12,779 boys born was named Isaak. FALLING Recent data shows the name is currently falling.