Izaak is a distinctive boys' name in United States, ranking #1277 in 2004 with 118 recorded births. The name reached its all-time peak in 2011 with 138 births ranking #1255. Since 1996, the popularity has increased by 156.5%. In 2004, approximately 1 in every 16,820 boys born was named Izaak. STABLE Recent data shows the name is currently stable.