Meaning not yet researched.
Ciaran: US boys given the name each year, 1880 to 2025, from Social Security card applications. 105 in 2025. Its best rank was #1,609 in 2025.
US births per year · SSA card applications
Its highest rank in 146 years of records is this year’s. About 95% of babies named Ciaran in 2025 were boys.
Baby name · US data 1880–2025
#1,609 for US boys in 2025, its highest rank in 146 years of records.
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.
Ciaran: US boys given the name each year from 1880 to 2025. 105 boys in 2025. Peak: #1,609 in 2025 · most boys in one year: 105 (2025).
In 2025, 105 US boys were named Ciaran, making it the 1,609th most common boys’ name of the year, up 158 places from #1,767 in 2024. That is 12 more than the 93 boys named Ciaran in 2024. Its best rank for boys was #1,609, reached in this year, 2025. That year also had the most boys given the name: 105. For comparison, it was #1,960 in 2015 and unranked in 1950.
Social Security card records list Ciaran in 48 years of the 146 from 1880 to 2025, starting in 1959 with 6 babies. In all, 2,233 US babies have been given the name, 1.6% of them girls and 98% boys. Its busiest decade was the 2010s, with 688 babies named Ciaran.
Over the 10 years from 2016 to 2025, 752 US boys were named Ciaran; the busiest of those years was 2025, with 105. In 2025 that was about 1 in 16,267 of the boys in SSA’s list for the year.
Among the states, Ciaran ranked highest in Massachusetts in 2025, at #479 for boys there. It was not in the top 100 of any state. Related spellings in the SSA files include Kieran (19,218 babies since 1880). Rarer spellings such as Cieran and Siran 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: Cieran (25), Siran (6).
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 Ciaran in the open dataset we use.
Source: carltonnorthern/nicknames (Apache-2.0).
US boys. Rank within each state. SSA leaves out states where fewer than five boys got the name, so 42 are not listed.
| State | Births 2025 | Rank 2025 | Rank 2015 |
|---|---|---|---|
| Massachusetts | 10 | #479 | — |
| Connecticut | 5 | #507 | — |
| Oregon | 5 | #630 | — |
| Maryland | 7 | #640 | — |
| Illinois | 8 | #950 | — |
| New York | 10 | #1,140 | #1,665 |
| Pennsylvania | 5 | #1,271 | #1,198 |
| North Carolina | 5 | #1,308 | — |
| California | 8 | #1,858 | #2,083 |
Births and national rank for each year SSA lists the name, newest first.
| Year | Girls | Girls rank | Boys | Boys rank |
|---|---|---|---|---|
| 2025 | 5 | #15,421 | 105 | #1,609 |
| 2024 | — | — | 93 | #1,767 |
| 2023 | — | — | 82 | #1,914 |
| 2022 | — | — | 83 | #1,894 |
| 2021 | — | — | 71 | #2,065 |
| 2020 | — | — | 69 | #2,051 |
| 2019 | — | — | 61 | #2,270 |
| 2018 | — | — | 61 | #2,238 |
| 2017 | — | — | 60 | #2,218 |
| 2016 | — | — | 67 | #2,094 |
| 2015 | — | — | 74 | #1,960 |
| 2014 | — | — | 83 | #1,798 |
| 2013 | — | — | 81 | #1,783 |
| 2012 | — | — | 61 | #2,176 |
| 2011 | — | — | 78 | #1,826 |
| 2010 | — | — | 62 | #2,149 |
| 2009 | — | — | 74 | #1,926 |
| 2008 | 6 | #15,814 | 79 | #1,841 |
| 2007 | — | — | 70 | #2,001 |
| 2006 | — | — | 63 | #2,086 |
| 2005 | — | — | 60 | #2,063 |
| 2004 | 5 | #16,667 | 65 | #1,884 |
| 2003 | 5 | #16,301 | 61 | #1,909 |
| 2002 | — | — | 47 | #2,225 |
| 2001 | — | — | 49 | #2,124 |
| 2000 | — | — | 41 | #2,341 |
| 1999 | — | — | 45 | #2,103 |
| 1998 | — | — | 48 | #1,992 |
| 1997 | 7 | #11,096 | 41 | #2,136 |
| 1996 | — | — | 36 | #2,259 |
| 1995 | — | — | 27 | #2,697 |
| 1994 | — | — | 38 | #2,126 |
| 1993 | — | — | 26 | #2,720 |
| 1992 | — | — | 17 | #3,634 |
| 1991 | — | — | 17 | #3,485 |
| 1990 | — | — | 8 | #5,919 |
| 1989 | — | — | 16 | #3,480 |
| 1988 | — | — | 11 | #4,211 |
| 1987 | — | — | 12 | #3,765 |
| 1986 | — | — | 11 | #3,925 |
| 1984 | — | — | 7 | #5,068 |
| 1982 | — | — | 5 | #6,537 |
| 1979 | — | — | 7 | #4,926 |
| 1977 | — | — | 5 | #5,997 |
| 1971 | 7 | #6,727 | 5 | #5,024 |
| 1969 | — | — | 5 | #4,497 |
| 1968 | — | — | 5 | #4,227 |
| 1959 | — | — | 6 | #3,670 |
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).