In 2025, 152 US girls were named Sybil, making it the 1,426th most common girls’ name of the year, up 141 places from #1,567 in 2024. That is 16 more than the 136 girls named Sybil in 2024. Its best rank for girls was #282, reached in 1919. The most girls given the name in a single year was 541, in 1921. For comparison, it was #2,122 in 2015 and #583 in 1950.
Social Security card records list Sybil in 145 years of the 146 from 1880 to 2025, starting in 1881 with 6 babies. In all, 20,365 US babies have been given the name, all of them girls. Its busiest decade was the 1920s, with 4,442 babies named Sybil.
Over the 10 years from 2016 to 2025, 1,261 US girls were named Sybil; the busiest of those years was 2023, with 154. In 2025 that was about 1 in 10,574 of the girls in SSA’s list for the year.
Among the states, Sybil ranked highest in Utah in 2025, at #824 for girls there. It was not in the top 100 of any state. Related spellings in the SSA files include Sibyl (4,464 babies since 1880). Rarer spellings such as Cybil, Sibel and Sybilla are summarised on this page.