In 2025, 15 US girls were named Chelsy, making it the 7,211th most common girls’ name of the year, up 844 places from #8,055 in 2024. That is 2 more than the 13 girls named Chelsy in 2024. Its best rank for girls was #880, reached in 1992. That year also had the most girls given the name: 225. For comparison, it was #4,320 in 2015 and unranked in 1950.
Social Security card records list Chelsy in 53 years of the 146 from 1880 to 2025, starting in 1971 with 5 babies. In all, 3,318 US babies have been given the name, all of them girls. Its busiest decade was the 1990s, with 1,388 babies named Chelsy.
Over the 10 years from 2016 to 2025, 232 US girls were named Chelsy; the busiest of those years was 2016, with 45. In 2025 that was about 1 in 107,151 of the girls in SSA’s list for the year.
Related spellings in the SSA files include Chelsea (163,335 babies since 1880), Chelsey (31,563 babies since 1880), Chelsie (13,855 babies since 1880) and Chelsi (4,050 babies since 1880).