In 2025, 7 US girls were named Dennise, making it the 12,230th most common girls’ name of the year, down 4,897 places from #7,333 in 2024. That is 8 fewer than the 15 girls named Dennise in 2024. Its best rank for girls was #1,321, reached in 1952. The most girls given the name in a single year was 78, in 2001. For comparison, it was #8,579 in 2015 and #1,919 in 1950.
Social Security card records list Dennise in 89 years of the 146 from 1880 to 2025, starting in 1935 with 5 babies. In all, 3,571 US babies have been given the name, 98% of them girls and 2.3% boys. Its busiest decade was the 2000s, with 644 babies named Dennise.
Over the 10 years from 2016 to 2025, 128 US girls were named Dennise; the busiest of those years was 2020, with 18. In 2025 that was about 1 in 229,610 of the girls in SSA’s list for the year.
Related spellings in the SSA files include Dennis (623,692 babies since 1880), Denise (374,789 babies since 1880), Denis (21,606 babies since 1880) and Denisse (7,370 babies since 1880).