In 2025, 20 US boys were named Elwin, making it the 4,907th most common boys’ name of the year, up 1,656 places from #6,563 in 2024. That is 7 more than the 13 boys named Elwin in 2024. Its best rank for boys was #462, reached in 1914. The most boys given the name in a single year was 147, in 1923. For comparison, it was unranked (under five boys) in 2015 and #856 in 1950.
Social Security card records list Elwin in 139 years of the 146 from 1880 to 2025, starting in 1882 with 6 babies. In all, 5,181 US babies have been given the name, 0.1% of them girls and 99.9% boys. Its busiest decade was the 1920s, with 1,321 babies named Elwin.
Over the 10 years from 2016 to 2025, 139 US boys were named Elwin; the busiest of those years was 2025, with 20. In 2025 that was about 1 in 85,404 of the boys in SSA’s list for the year.
Related spellings in the SSA files include Elwyn (3,336 babies since 1880). Rarer spellings such as Ellwyn are summarised on this page.