In 2025, 8 US boys were named Ennis, making it the 9,157th most common boys’ name of the year, down 3,164 places from #5,993 in 2024. That is 7 fewer than the 15 boys named Ennis in 2024. Its best rank for boys was #586, reached in 1910. The most boys given the name in a single year was 62, in 1922. For comparison, it was #9,863 in 2015 and #1,238 in 1950.
Social Security card records list Ennis in 140 years of the 146 from 1880 to 2025, starting in 1880 with 5 babies. In all, 3,524 US babies have been given the name, 9.1% of them girls and 91% boys. Its busiest decade was the 1920s, with 553 babies named Ennis.
Over the 10 years from 2016 to 2025, 115 US boys were named Ennis; the busiest of those years was 2024, with 15. In 2025 that was about 1 in 213,510 of the boys in SSA’s list for the year.
Related spellings in the SSA files include Enos (3,991 babies since 1880). Rarer spellings such as Eunise are summarised on this page.