Izaak is a distinctive boys' name in United States, ranking #1432 in 2010 with 116 recorded births. The name reached its all-time peak in 2011 with 138 births ranking #1255. Since 1996, the popularity has increased by 152.2%. In 2010, approximately 1 in every 16,538 boys born was named Izaak. STABLE Recent data shows the name is currently stable.