In 2025, 24 US boys were named Denny, making it the 4,284th most common boys’ name of the year, up 64 places from #4,348 in 2024. That is 0 more than the 24 boys named Denny in 2024. Its best rank for boys was #325, reached in 1947. That year also had the most boys given the name: 439. For comparison, it was #2,573 in 2015 and #392 in 1950.
Social Security card records list Denny in 123 years of the 146 from 1880 to 2025, starting in 1889 with 5 babies. In all, 15,819 US babies have been given the name, 2.5% of them girls and 97% boys. Its busiest decade was the 1940s, with 3,070 babies named Denny.
Over the 10 years from 2016 to 2025, 283 US boys were named Denny; the busiest of those years was 2018, with 34. In 2025 that was about 1 in 71,170 of the boys in SSA’s list for the year.
Related spellings in the SSA files include Dennie (4,537 babies since 1880). Rarer spellings such as Denia, Denee and Deniya are summarised on this page.