Gethin is a distinctive boys' name in England & Wales, ranking #531 in 2016 with 73 recorded births. The name reached its all-time peak in 2008 with 159 births ranking #272. Since 1996, the popularity has increased by 92.1%. In 2016, approximately 1 in every 4,547 boys born was named Gethin. FALLING Recent data shows the name is currently falling.