Jac is a distinctive boys' name in England & Wales, ranking #529 in 2024 with 73 recorded births. The name reached its all-time peak in 2004 with 134 births ranking #246. Since 1996, the popularity has increased by 21.7%. In 2024, approximately 1 in every 3,805 boys born was named Jac. STABLE Recent data shows the name is currently stable.