In 2025, 75 US girls were named Rena, making it the 2,402nd most common girls’ name of the year, up 286 places from #2,688 in 2024. That is 10 more than the 65 girls named Rena in 2024. Its best rank for girls was #153, reached in 1885. The most girls given the name in a single year was 575, in 1962. For comparison, it was #2,732 in 2015 and #416 in 1950.
Social Security card records list Rena in every one of the 146 years from 1880 to 2025; in 1880 there were 74 babies with the name. In all, 39,247 US babies have been given the name, 99.6% of them girls and 0.3% boys. Its busiest decade was the 1920s, with 4,752 babies named Rena.
Over the 10 years from 2016 to 2025, 789 US girls were named Rena; the busiest of those years was 2020, with 100. In 2025 that was about 1 in 21,430 of the girls in SSA’s list for the year.
Among the states, Rena ranked highest in New Jersey in 2025, at #705 for girls there. It was not in the top 100 of any state. Related spellings in the SSA files include Reyna (18,679 babies since 1880), Renae (14,174 babies since 1880), Reina (14,080 babies since 1880) and Reanna (5,580 babies since 1880). Rarer spellings such as Renna, Reana and Riona are summarised on this page.