Izaak is a distinctive boys' name in United States, ranking #1416 in 2008 with 119 recorded births. The name reached its all-time peak in 2011 with 138 births ranking #1255. Since 1996, the popularity has increased by 158.7%. In 2008, approximately 1 in every 17,142 boys born was named Izaak. STABLE Recent data shows the name is currently stable.