Gagan is a distinctive boys' name in England & Wales, ranking #3684 in 2025 with 5 recorded births. The name reached its all-time peak in 2025 with 5 births ranking #3684. Since 1996, the popularity has increased by 25.0%. In 2025, approximately 1 in every 54,387 boys born was named Gagan. RISING Recent data shows the name is currently rising.