Issac is a moderately popular boys' name in England & Wales, ranking #414 in 2018 with 102 recorded births. The name reached its all-time peak in 2019 with 114 births ranking #382. Since 1996, the popularity has increased by 537.5%. In 2018, approximately 1 in every 3,065 boys born was named Issac. FALLING Recent data shows the name is currently falling.