In 2025, 27 US boys were named Willy, making it the 4,041st most common boys’ name of the year, up 382 places from #4,423 in 2024. That is 3 more than the 24 boys named Willy in 2024. Its best rank for boys was #980, reached in 1896. The most boys given the name in a single year was 69, in 1993. For comparison, it was #3,680 in 2015 and #1,392 in 1950.
Social Security card records list Willy in 121 years of the 146 from 1880 to 2025, starting in 1884 with 5 babies. In all, 4,053 US babies have been given the name, 2.9% of them girls and 97% boys. Its busiest decade was the 1990s, with 535 babies named Willy.
Over the 10 years from 2016 to 2025, 290 US boys were named Willy; the busiest of those years was 2018, with 39. In 2025 that was about 1 in 63,262 of the boys in SSA’s list for the year.
Related spellings in the SSA files include Willie (596,385 babies since 1880), Wiley (18,794 babies since 1880) and Willia (3,866 babies since 1880).