In 2025, 40 US boys were named Williams, making it the 3,086th most common boys’ name of the year, down 533 places from #2,553 in 2024. That is 13 fewer than the 53 boys named Williams in 2024. Its best rank for boys was #515, reached in 1887. The most boys given the name in a single year was 86, in 1950. For comparison, it was #2,719 in 2015 and #746 in 1950.
Social Security card records list Williams in every one of the 146 years from 1880 to 2025; in 1880 there were 11 babies with the name. In all, 6,150 US babies have been given the name, 0.4% of them girls and 99.6% boys. Its busiest decade was the 1950s, with 613 babies named Williams.
Over the 10 years from 2016 to 2025, 448 US boys were named Williams; the busiest of those years was 2023, with 57. In 2025 that was about 1 in 42,702 of the boys in SSA’s list for the year.
Related spellings in the SSA files include William (4,215,725 babies since 1880).