In 2025, 22 US boys were named Nels, making it the 4,656th most common boys’ name of the year, up 724 places from #5,380 in 2024. That is 4 more than the 18 boys named Nels in 2024. Its best rank for boys was #309, reached in 1884. The most boys given the name in a single year was 65, in 1918. For comparison, it was #6,212 in 2015 and #1,058 in 1950.
Social Security card records list Nels in every one of the 146 years from 1880 to 2025; in 1880 there were 12 babies with the name. In all, 3,841 US babies have been given the name, all of them boys. Its busiest decade was the 1950s, with 454 babies named Nels.
Over the 10 years from 2016 to 2025, 172 US boys were named Nels; the busiest of those years was 2021, with 23. In 2025 that was about 1 in 77,640 of the boys in SSA’s list for the year.
Rarer spellings such as Neils and Nelse are summarised on this page.