In 2025, 46 US boys were named Gareth, making it the 2,776th most common boys’ name of the year, down 131 places from #2,645 in 2024. That is 4 fewer than the 50 boys named Gareth in 2024. Its best rank for boys was #1,085, reached in 1970. The most boys given the name in a single year was 104, in 2016. For comparison, it was #1,582 in 2015 and #1,376 in 1950.
Social Security card records list Gareth in 108 years of the 146 from 1880 to 2025, starting in 1916 with 5 babies. In all, 4,394 US babies have been given the name, 0.1% of them girls and 99.8% boys. Its busiest decade was the 2010s, with 720 babies named Gareth.
Over the 10 years from 2016 to 2025, 606 US boys were named Gareth; the busiest of those years was 2016, with 104. In 2025 that was about 1 in 37,132 of the boys in SSA’s list for the year.
Among the states, Gareth ranked highest in Texas in 2025, at #2,158 for boys there. It was not in the top 100 of any state. Related spellings in the SSA files include Garth (9,666 babies since 1880), Garrett (136,214 babies since 1880), Garret (13,252 babies since 1880) and Garett (4,941 babies since 1880). The open nickname list we use links it to Gare and Gary.