Gareth is a distinctive boys' name in United States, ranking #2347 in 2019 with 58 recorded births. This places Gareth in the top 17% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2016 with 104 births ranking #1580. Since 1996, the popularity has decreased by 24.7%. In 2019, approximately 1 in every 30,920 boys born was named Gareth. STABLE Recent data shows the name is currently stable.