Izaak is a distinctive boys' name in England & Wales, ranking #580 in 2007 with 52 recorded births. The name reached its all-time peak in 2007 with 52 births ranking #580. Since 1996, the popularity has increased by 79.3%. In 2007, approximately 1 in every 6,372 boys born was named Izaak. STABLE Recent data shows the name is currently stable.