In 2025, 130 US boys were named Niklaus, making it the 1,407th most common boys’ name of the year, down 174 places from #1,233 in 2024. That is 33 fewer than the 163 boys named Niklaus in 2024. Its best rank for boys was #844, reached in 2021. That year also had the most boys given the name: 282. For comparison, it was #1,585 in 2015 and unranked in 1950.
Social Security card records list Niklaus in 44 years of the 146 from 1880 to 2025, starting in 1979 with 8 babies. In all, 2,430 US babies have been given the name, all of them boys. Its busiest decade was the 2020s, with 1,251 babies named Niklaus.
Over the 10 years from 2016 to 2025, 1,929 US boys were named Niklaus; the busiest of those years was 2021, with 282. In 2025 that was about 1 in 13,139 of the boys in SSA’s list for the year.
Among the states, Niklaus ranked highest in Missouri in 2025, at #960 for boys there. It was not in the top 100 of any state. Related spellings in the SSA files include Nicklaus (3,462 babies since 1880), Nicklas (2,430 babies since 1880) and Niklas (1,711 babies since 1880).