Izaak is a moderately popular boys' name in England & Wales, ranking #462 in 1998 with 44 recorded births. This places Izaak in the top 12% of ranked UK boys' names for the year. Its actual usage is classified as Moderately Popular. The name reached its all-time peak in 2007 with 52 births ranking #580. Since 1996, the popularity has increased by 51.7%. In 1998, approximately 1 in every 7,056 boys born was named Izaak. STABLE Recent data shows the name is currently stable.