In 2025, 507 US boys were named Allen, making it the 578th most common boys’ name of the year, down 6 places from #572 in 2024. That is 5 more than the 502 boys named Allen in 2024. Its best rank for boys was #71, reached in 1950. The most boys given the name in a single year was 5,179, in 1951. For comparison, it was #349 in 2015 and #71 in 1950.
Social Security card records list Allen in every one of the 146 years from 1880 to 2025; in 1880 there were 184 babies with the name. In all, 273,662 US babies have been given the name, 0.7% of them girls and 99% boys. Its busiest decade was the 1950s, with 47,528 babies named Allen.
Over the 10 years from 2016 to 2025, 6,437 US boys were named Allen; the busiest of those years was 2016, with 895. In 2025 that was about 1 in 3,369 of the boys in SSA’s list for the year.
Among the states, Allen ranked highest in Louisiana in 2025, at #293 for boys there. It was not in the top 100 of any state. Related spellings in the SSA files include Alan (364,389 babies since 1880), Allan (96,711 babies since 1880), Alain (3,986 babies since 1880) and Alen (2,371 babies since 1880). Rarer spellings such as Ailene, Alleen and Aleene are summarised on this page. The open nickname list we use links it to Al, Alan and Allan.