In 2025, 30 US boys were named Hilario, making it the 3,688th most common boys’ name of the year, down 137 places from #3,551 in 2024. That is 2 fewer than the 32 boys named Hilario in 2024. Its best rank for boys was #840, reached in 1929. The most boys given the name in a single year was 71, in 1996. For comparison, it was #3,815 in 2015 and #1,131 in 1950.
Social Security card records list Hilario in 122 years of the 146 from 1880 to 2025, starting in 1885 with 5 babies. In all, 4,681 US babies have been given the name, all of them boys. Its busiest decade was the 1990s, with 625 babies named Hilario.
Over the 10 years from 2016 to 2025, 283 US boys were named Hilario; the busiest of those years was 2018, with 39. In 2025 that was about 1 in 56,936 of the boys in SSA’s list for the year.
Related spellings in the SSA files include Hilary (26,368 babies since 1880).