In 2025, 86 US boys were named Olin, making it the 1,849th most common boys’ name of the year, up 303 places from #2,152 in 2024. That is 17 more than the 69 boys named Olin in 2024. Its best rank for boys was #327, reached in 1903. The most boys given the name in a single year was 197, in 1921. For comparison, it was #1,537 in 2015 and #803 in 1950.
Social Security card records list Olin in every one of the 146 years from 1880 to 2025; in 1880 there were 11 babies with the name. In all, 9,934 US babies have been given the name, 0.1% of them girls and 99.9% boys. Its busiest decade was the 1920s, with 1,540 babies named Olin.
Over the 10 years from 2016 to 2025, 955 US boys were named Olin; the busiest of those years was 2018, with 116. In 2025 that was about 1 in 19,861 of the boys in SSA’s list for the year.
Among the states, Olin ranked highest in Minnesota in 2025, at #695 for boys there. It was not in the top 100 of any state. Related spellings in the SSA files include Olen (7,678 babies since 1880), Olan (2,732 babies since 1880) and Olene (1,347 babies since 1880). Rarer spellings such as Olean, Oline and Ollin are summarised on this page.