In 2025, 6 US girls were named Jaileen, making it the 13,897th most common girls’ name of the year, down 1,202 places from #12,695 in 2024. That is 1 fewer than the 7 girls named Jaileen in 2024. Its best rank for girls was #2,212, reached in 1999. That year also had the most girls given the name: 68. For comparison, it was #7,413 in 2015 and unranked in 1950.
Social Security card records list Jaileen in 34 years of the 146 from 1880 to 2025, starting in 1992 with 5 babies. In all, 990 US babies have been given the name, all of them girls. Its busiest decade was the 2000s, with 431 babies named Jaileen.
Over the 10 years from 2016 to 2025, 143 US girls were named Jaileen; the busiest of those years was 2018, with 23. In 2025 that was about 1 in 267,878 of the girls in SSA’s list for the year.
Related spellings in the SSA files include Jaylen (45,951 babies since 1880), Jalen (42,547 babies since 1880), Jayleen (13,247 babies since 1880) and Jailyn (5,886 babies since 1880).