Gethin is a distinctive boys' name in England & Wales, ranking #1007 in 2025 with 30 recorded births. The name reached its all-time peak in 2008 with 159 births ranking #272. Since 1996, the popularity has decreased by 21.1%. In 2025, approximately 1 in every 9,065 boys born was named Gethin. FALLING Recent data shows the name is currently falling.