Gareth is a distinctive boys' name in United States, ranking #2105 in 2018 with 67 recorded births. This places Gareth in the top 15% 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 13.0%. In 2018, approximately 1 in every 27,097 boys born was named Gareth. STABLE Recent data shows the name is currently stable.