In 2025, 134 US boys were named Thorin, making it the 1,379th most common boys’ name of the year, down 16 places from #1,363 in 2024. That is 5 fewer than the 139 boys named Thorin in 2024. Its best rank for boys was #1,189, reached in 2015. The most boys given the name in a single year was 167, in 2023. For comparison, it was #1,189 in 2015 and unranked in 1950.
Social Security card records list Thorin in 54 years of the 146 from 1880 to 2025, starting in 1968 with 5 babies. In all, 2,301 US babies have been given the name, all of them boys. Its busiest decade was the 2010s, with 964 babies named Thorin.
Over the 10 years from 2016 to 2025, 1,409 US boys were named Thorin; the busiest of those years was 2023, with 167. In 2025 that was about 1 in 12,747 of the boys in SSA’s list for the year.
Among the states, Thorin ranked highest in Idaho in 2025, at #433 for boys there. It was not in the top 100 of any state. Related spellings in the SSA files include Thor (4,857 babies since 1880), Torin (5,473 babies since 1880) and Torian (1,770 babies since 1880).