In 2025, 82 US boys were named Cornelius, making it the 1,908th most common boys’ name of the year, up 248 places from #2,156 in 2024. That is 14 more than the 68 boys named Cornelius in 2024. Its best rank for boys was #130, reached in 1882. The most boys given the name in a single year was 486, in 1974. For comparison, it was #1,200 in 2015 and #402 in 1950.
Social Security card records list Cornelius in every one of the 146 years from 1880 to 2025; in 1880 there were 92 babies with the name. In all, 37,049 US babies have been given the name, 1.7% of them girls and 98% boys. Its busiest decade was the 1980s, with 4,153 babies named Cornelius.
Over the 10 years from 2016 to 2025, 980 US boys were named Cornelius; the busiest of those years was 2016, with 151. In 2025 that was about 1 in 20,830 of the boys in SSA’s list for the year.
Among the states, Cornelius ranked highest in Michigan in 2025, at #926 for boys there. It was not in the top 100 of any state. Rarer spellings such as Cornelious, Cornelio and Corneilus are summarised on this page. The open nickname list we use links it to Con, Conny, Corny, Neil and Niel.