Meaning not yet researched.
Cailin: US girls given the name each year, 1880 to 2025, from Social Security card applications. 7 in 2025. Its best rank was #1,161 in 1998.
US births per year · SSA card applications
Peaked at #1,161 in 1998; #12,153 in 2025. Every baby recorded as Cailin in 2025 was a girl.
Baby name · US data 1880–2025
#12,153 for US girls in 2025. Its best year was 1998, at #1,161.
Hover, tap or use the arrow keys for any year. Years with fewer than five babies of a sex are not published by SSA and show as zero.
Cailin: US girls given the name each year from 1880 to 2025. 7 girls in 2025. Peak: #1,161 in 1998 · most girls in one year: 164 (2003).
In 2025, 7 US girls were named Cailin, making it the 12,153rd most common girls’ name of the year, down 4,490 places from #7,663 in 2024. That is 7 fewer than the 14 girls named Cailin in 2024. Its best rank for girls was #1,161, reached in 1998. The most girls given the name in a single year was 164, in 2003. For comparison, it was #3,262 in 2015 and unranked in 1950.
Social Security card records list Cailin in 53 years of the 146 from 1880 to 2025, starting in 1968 with 9 babies. In all, 3,743 US babies have been given the name, 99% of them girls and 0.8% boys. Its busiest decade was the 2000s, with 1,442 babies named Cailin.
Over the 10 years from 2016 to 2025, 235 US girls were named Cailin; the busiest of those years was 2020, with 42. In 2025 that was about 1 in 229,610 of the girls in SSA’s list for the year.
Related spellings in the SSA files include Kaylin (19,934 babies since 1880), Kailyn (14,351 babies since 1880), Callan (12,634 babies since 1880) and Callen (10,105 babies since 1880). Rarer spellings such as Caoilinn and Caline are summarised on this page.
Meaning not yet researched.
We publish a meaning only with a cited source and a confidence label, and never generate one. Meanings are being researched for the most common names first.
Rare spellings summarised here: Caoilinn (46), Caline (10).
Numbers are all-time US births. Links come from Wikidata’s “said to be the same as” (P460, CC0) and our spelling rule: at most two letters different, with the same sound pattern.
No nicknames listed for Cailin in the open dataset we use.
Source: carltonnorthern/nicknames (Apache-2.0).
Births and national rank for each year SSA lists the name, newest first.
| Year | Girls | Girls rank | Boys | Boys rank |
|---|---|---|---|---|
| 2025 | 7 | #12,153 | — | — |
| 2024 | 14 | #7,663 | — | — |
| 2023 | 11 | #9,097 | — | — |
| 2022 | 26 | #5,047 | — | — |
| 2021 | 20 | #5,992 | — | — |
| 2020 | 42 | #3,557 | — | — |
| 2019 | 29 | #4,675 | — | — |
| 2018 | 33 | #4,251 | — | — |
| 2017 | 29 | #4,718 | — | — |
| 2016 | 24 | #5,487 | — | — |
| 2015 | 50 | #3,262 | — | — |
| 2014 | 60 | #2,849 | — | — |
| 2013 | 65 | #2,686 | — | — |
| 2012 | 81 | #2,317 | — | — |
| 2011 | 100 | #1,971 | — | — |
| 2010 | 133 | #1,623 | — | — |
| 2009 | 115 | #1,849 | 5 | #12,764 |
| 2008 | 137 | #1,645 | — | — |
| 2007 | 137 | #1,623 | 5 | #12,641 |
| 2006 | 132 | #1,617 | — | — |
| 2005 | 144 | #1,467 | — | — |
| 2004 | 147 | #1,416 | — | — |
| 2003 | 164 | #1,274 | — | — |
| 2002 | 153 | #1,284 | 7 | #8,581 |
| 2001 | 146 | #1,315 | — | — |
| 2000 | 150 | #1,288 | — | — |
| 1999 | 131 | #1,352 | — | — |
| 1998 | 162 | #1,161 | 7 | #7,670 |
| 1997 | 143 | #1,245 | — | — |
| 1996 | 123 | #1,369 | 6 | #8,090 |
| 1995 | 127 | #1,307 | — | — |
| 1994 | 129 | #1,315 | — | — |
| 1993 | 75 | #1,884 | — | — |
| 1992 | 56 | #2,321 | — | — |
| 1991 | 62 | #2,136 | — | — |
| 1990 | 71 | #1,940 | — | — |
| 1989 | 59 | #2,096 | — | — |
| 1988 | 59 | #2,014 | — | — |
| 1987 | 64 | #1,814 | — | — |
| 1986 | 40 | #2,474 | — | — |
| 1985 | 39 | #2,488 | — | — |
| 1984 | 47 | #2,118 | — | — |
| 1983 | 44 | #2,204 | — | — |
| 1982 | 35 | #2,648 | — | — |
| 1981 | 17 | #4,366 | — | — |
| 1980 | 19 | #4,010 | — | — |
| 1979 | 11 | #5,796 | — | — |
| 1978 | 12 | #5,250 | — | — |
| 1977 | 7 | #7,642 | — | — |
| 1976 | 8 | #6,691 | — | — |
| 1975 | 9 | #6,024 | — | — |
| 1973 | 6 | #7,530 | — | — |
| 1968 | 9 | #4,817 | — | — |
About the data: counts are Social Security card applications for US births, for names given to at least five babies of a sex in a year (SSA, names.zip, public domain). Ranks follow SSA’s own order: most births first, ties alphabetical. Files retrieved 2026-10-05 (checksum on our sources page).