In 2025, 42 US boys were named Welles, making it the 2,985th most common boys’ name of the year, up 614 places from #3,599 in 2024. That is 10 more than the 32 boys named Welles in 2024. Its best rank for boys was #2,437, reached in 2021. That year also had the most boys given the name: 56. For comparison, it was #5,048 in 2015 and unranked in 1950.
Social Security card records list Welles in 17 years of the 146 from 1880 to 2025, starting in 1915 with 5 babies. In all, 480 US babies have been given the name, 2.1% of them girls and 98% boys. Its busiest decade was the 2020s, with 242 babies named Welles.
Over the 10 years from 2016 to 2025, 401 US boys were named Welles; the busiest of those years was 2021, with 56. In 2025 that was about 1 in 40,668 of the boys in SSA’s list for the year.
Among the states, Welles ranked highest in New York in 2025, at #1,562 for boys there. It was not in the top 100 of any state. Related spellings in the SSA files include Willis (53,154 babies since 1880).