Gareth is a distinctive boys' name in England & Wales, ranking #3256 in 2025 with 6 recorded births. The name reached its all-time peak in 1996 with 373 births ranking #117. Since 1996, the popularity has decreased by 98.4%. In 2025, approximately 1 in every 45,323 boys born was named Gareth. FALLING Recent data shows the name is currently falling.