Isaac is a highly popular boys' name in England & Wales, ranking #25 in 2021 with 1,888 recorded births. The name reached its all-time peak in 2015 with 2,829 births ranking #20. Since 1996, the popularity has increased by 293.3%. In 2021, approximately 1 in every 156 boys born was named Isaac. FALLING Recent data shows the name is currently falling.