In 2025, 18 US boys were named Bill, making it the 5,235th most common boys’ name of the year, down 650 places from #4,585 in 2024. That is 4 fewer than the 22 boys named Bill in 2024. Its best rank for boys was #57, reached in 1931. The most boys given the name in a single year was 4,681, in 1947. For comparison, it was #3,377 in 2015 and #131 in 1950.
Social Security card records list Bill in every one of the 146 years from 1880 to 2025; in 1880 there were 53 babies with the name. In all, 161,190 US babies have been given the name, 0.4% of them girls and 99.5% boys. Its busiest decade was the 1940s, with 37,848 babies named Bill.
Over the 10 years from 2016 to 2025, 297 US boys were named Bill; the busiest of those years was 2018, with 48. In 2025 that was about 1 in 94,893 of the boys in SSA’s list for the year.
Related spellings in the SSA files include William (4,215,725 babies since 1880), Will (46,610 babies since 1880), Guillermo (32,148 babies since 1880) and Willem (2,840 babies since 1880). Rarer spellings such as Bille and Beal are summarised on this page. The open nickname list we use links it to Billy, Fred, Robert, William and Willie.