In 2025, 7 US girls were named Sumer, making it the 13,037th most common girls’ name of the year. Its best rank for girls was #1,339, reached in 1977. That year also had the most girls given the name: 86. For comparison, it was #12,879 in 2015 and unranked in 1950.
Social Security card records list Sumer in 49 years of the 146 from 1880 to 2025, starting in 1971 with 5 babies. In all, 1,527 US babies have been given the name, all of them girls. Its busiest decade was the 1990s, with 433 babies named Sumer.
Over the 10 years from 2016 to 2025, 31 US girls were named Sumer; the busiest of those years was 2025, with 7. 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 Summer (91,575 babies since 1880), Sommer (6,080 babies since 1880) and Somer (2,244 babies since 1880). Rarer spellings such as Sumire and Zumar are summarised on this page.