In 2025, 7,472 US boys were named Cooper, making it the 27th most common boys’ name of the year, up 23 places from #50 in 2024. That is 1,757 more than the 5,715 boys named Cooper in 2024. Its best rank for boys was #27, reached in this year, 2025. That year also had the most boys given the name: 7,472. For comparison, it was #77 in 2015 and #3,782 in 1950.
Social Security card records list Cooper in 128 years of the 146 from 1880 to 2025, starting in 1882 with 6 babies. In all, 126,484 US babies have been given the name, 2.2% of them girls and 98% boys. Its busiest decade was the 2010s, with 50,345 babies named Cooper.
Over the 10 years from 2016 to 2025, 52,150 US boys were named Cooper; the busiest of those years was 2025, with 7,472. In 2025 that was about 1 in 229 of the boys in SSA’s list for the year.
Among the states, Cooper ranked highest in Vermont in 2025, at #4 for boys there. It was in the top 100 in 49 states (counting DC). Related spellings in the SSA files include Kooper (4,392 babies since 1880). Rarer spellings such as Copper, Couper and Kouper are summarised on this page. The open nickname list we use links it to Coop.