Dewi is a distinctive boys' name in England & Wales, ranking #1007 in 2025 with 30 recorded births. The name reached its all-time peak in 1996 with 55 births ranking #390. Since 1996, the popularity has decreased by 45.5%. In 2025, approximately 1 in every 9,065 boys born was named Dewi. RISING Recent data shows the name is currently rising.