Izaac is a distinctive boys' name in United States, ranking #2080 in 1999 with 46 recorded births. This places Izaac in the top 18% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2009 with 151 births ranking #1199. Since 1996, the popularity has increased by 27.8%. In 1999, approximately 1 in every 41,741 boys born was named Izaac. STABLE Recent data shows the name is currently stable.