Izaac is a distinctive boys' name in United States, ranking #1621 in 2001 with 73 recorded births. The name reached its all-time peak in 2009 with 151 births ranking #1199. Since 1996, the popularity has increased by 102.8%. In 2001, approximately 1 in every 26,614 boys born was named Izaac. STABLE Recent data shows the name is currently stable.