In 2025, 27 US girls were named Sommer, making it the 4,972nd most common girls’ name of the year, down 319 places from #4,653 in 2024. That is 3 fewer than the 30 girls named Sommer in 2024. Its best rank for girls was #441, reached in 1977. That year also had the most girls given the name: 464. For comparison, it was #4,290 in 2015 and unranked in 1950.
Social Security card records list Sommer in 58 years of the 146 from 1880 to 2025, starting in 1966 with 5 babies. In all, 6,080 US babies have been given the name, all of them girls. Its busiest decade was the 1980s, with 1,549 babies named Sommer.
Over the 10 years from 2016 to 2025, 313 US girls were named Sommer; the busiest of those years was 2021, with 45. In 2025 that was about 1 in 59,528 of the girls in SSA’s list for the year.
Related spellings in the SSA files include Summer (91,575 babies since 1880), Somer (2,244 babies since 1880) and Sumer (1,527 babies since 1880).