In 2025, 72 US girls were named Jailyn, making it the 2,469th most common girls’ name of the year, down 535 places from #1,934 in 2024. That is 31 fewer than the 103 girls named Jailyn in 2024. Its best rank for girls was #879, reached in 2002. The most girls given the name in a single year was 278, in 2007. For comparison, it was #1,556 in 2015 and unranked in 1950.
In 2025, 12 US boys were named Jailyn, making it the 6,965th most common boys’ name of the year, up 1,647 places from #8,612 in 2024. That is 3 more than the 9 boys named Jailyn in 2024. Its best rank for boys was #2,192, reached in 2006. That year also had the most boys given the name: 59. For comparison, it was #7,263 in 2015 and unranked in 1950.
Social Security card records list Jailyn in 38 years of the 146 from 1880 to 2025, starting in 1982 with 5 babies. In all, 5,886 US babies have been given the name, 87% of them girls and 13% boys. Its busiest decade was the 2000s, with 2,877 babies named Jailyn.
Over the 10 years from 2016 to 2025, 1,093 US girls were named Jailyn; the busiest of those years was 2016, with 135. In 2025 that was about 1 in 22,323 of the girls in SSA’s list for the year.
Among the states, Jailyn ranked highest in Texas in 2025, at #1,494 for girls there. It was not in the top 100 of any state. Related spellings in the SSA files include Jaylen (45,951 babies since 1880), Jalen (42,547 babies since 1880), Jaylin (19,608 babies since 1880) and Jaelyn (15,601 babies since 1880).