In 2025, 50 US boys were named Deniz, making it the 2,611th most common boys’ name of the year, up 509 places from #3,120 in 2024. That is 11 more than the 39 boys named Deniz in 2024. Its best rank for boys was #2,343, reached in 2016. The most boys given the name in a single year was 58, in 2019. For comparison, it was #2,981 in 2015 and unranked in 1950.
In 2025, 19 US girls were named Deniz, making it the 6,178th most common girls’ name of the year, down 1,379 places from #4,799 in 2024. That is 9 fewer than the 28 girls named Deniz in 2024. Its best rank for girls was #3,237, reached in 2020. That year also had the most girls given the name: 48. For comparison, it was #5,708 in 2015 and unranked in 1950.
Social Security card records list Deniz in 59 years of the 146 from 1880 to 2025, starting in 1961 with 5 babies. In all, 2,122 US babies have been given the name, 43% of them girls and 57% boys. Its busiest decade was the 2010s, with 662 babies named Deniz.
Over the 10 years from 2016 to 2025, 459 US boys were named Deniz; the busiest of those years was 2019, with 58. In 2025 that was about 1 in 34,162 of the boys in SSA’s list for the year.
Among the states, Deniz ranked highest in Florida in 2025, at #922 for boys there. It was not in the top 100 of any state. Related spellings in the SSA files include Dennis (623,692 babies since 1880), Denise (374,789 babies since 1880) and Denis (21,606 babies since 1880).