Meaning not yet researched.
Kilian: US boys given the name each year, 1880 to 2025, from Social Security card applications. 177 in 2025. Its best rank was #1,032 in 2023.
US births per year · SSA card applications
Peaked at #1,032 in 2023; #1,167 in 2025. Every baby recorded as Kilian in 2025 was a boy.
Baby name · US data 1880–2025
#1,167 for US boys in 2025. Its best year was 2023, at #1,032.
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.
Kilian: US boys given the name each year from 1880 to 2025. 177 boys in 2025. Peak: #1,032 in 2023 · most boys in one year: 212 (2023).
In 2025, 177 US boys were named Kilian, making it the 1,167th most common boys’ name of the year, down 114 places from #1,053 in 2024. That is 32 fewer than the 209 boys named Kilian in 2024. Its best rank for boys was #1,032, reached in 2023. That year also had the most boys given the name: 212. For comparison, it was #1,337 in 2015 and unranked in 1950.
Social Security card records list Kilian in 46 years of the 146 from 1880 to 2025, starting in 1970 with 5 babies. In all, 2,717 US babies have been given the name, 1.0% of them girls and 99% boys. Its busiest decade was the 2020s, with 1,081 babies named Kilian.
Over the 10 years from 2016 to 2025, 1,681 US boys were named Kilian; the busiest of those years was 2023, with 212. In 2025 that was about 1 in 9,650 of the boys in SSA’s list for the year.
Among the states, Kilian ranked highest in Maryland in 2025, at #664 for boys there. It was not in the top 100 of any state. Related spellings in the SSA files include Killian (16,834 babies since 1880), Kylan (11,821 babies since 1880), Kellan (11,269 babies since 1880) and Kylian (3,750 babies since 1880). Rarer spellings such as Kilynn 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: Kilynn (448).
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 Kilian 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 40 are not listed.
| State | Births 2025 | Rank 2025 | Rank 2015 |
|---|---|---|---|
| Maryland | 7 | #664 | — |
| New Jersey | 9 | #738 | — |
| Virginia | 8 | #842 | — |
| California | 27 | #873 | #1,185 |
| Washington | 6 | #950 | #1,031 |
| Pennsylvania | 8 | #968 | #990 |
| New York | 12 | #1,023 | #1,121 |
| Illinois | 7 | #1,091 | #1,448 |
| Texas | 16 | #1,273 | #1,714 |
| Ohio | 5 | #1,384 | — |
| Florida | 8 | #1,419 | #1,066 |
Births and national rank for each year SSA lists the name, newest first.
| Year | Girls | Girls rank | Boys | Boys rank |
|---|---|---|---|---|
| 2025 | — | — | 177 | #1,167 |
| 2024 | — | — | 209 | #1,053 |
| 2023 | — | — | 212 | #1,032 |
| 2022 | — | — | 161 | #1,223 |
| 2021 | — | — | 168 | #1,176 |
| 2020 | — | — | 154 | #1,223 |
| 2019 | 6 | #14,742 | 132 | #1,359 |
| 2018 | — | — | 145 | #1,273 |
| 2017 | — | — | 162 | #1,161 |
| 2016 | — | — | 161 | #1,180 |
| 2015 | — | — | 132 | #1,337 |
| 2014 | — | — | 91 | #1,686 |
| 2013 | — | — | 41 | #2,825 |
| 2012 | — | — | 59 | #2,225 |
| 2011 | 6 | #15,859 | 40 | #2,932 |
| 2010 | 5 | #18,516 | 43 | #2,811 |
| 2009 | — | — | 47 | #2,642 |
| 2008 | — | — | 44 | #2,772 |
| 2007 | — | — | 36 | #3,163 |
| 2006 | — | — | 35 | #3,127 |
| 2005 | — | — | 26 | #3,678 |
| 2004 | 5 | #17,523 | 32 | #3,122 |
| 2003 | — | — | 21 | #4,059 |
| 2002 | — | — | 20 | #4,129 |
| 2001 | — | — | 32 | #2,903 |
| 2000 | — | — | 22 | #3,711 |
| 1999 | — | — | 25 | #3,238 |
| 1998 | — | — | 21 | #3,557 |
| 1997 | 5 | #14,962 | 20 | #3,533 |
| 1996 | — | — | 25 | #2,981 |
| 1995 | — | — | 25 | #2,890 |
| 1994 | — | — | 20 | #3,407 |
| 1993 | — | — | 20 | #3,319 |
| 1992 | — | — | 28 | #2,577 |
| 1991 | — | — | 16 | #3,745 |
| 1990 | — | — | 18 | #3,395 |
| 1989 | — | — | 12 | #4,416 |
| 1988 | — | — | 10 | #4,618 |
| 1984 | — | — | 6 | #5,999 |
| 1982 | — | — | 5 | #6,905 |
| 1978 | — | — | 6 | #5,457 |
| 1977 | — | — | 6 | #5,516 |
| 1976 | — | — | 6 | #5,300 |
| 1975 | — | — | 8 | #4,135 |
| 1972 | — | — | 6 | #4,733 |
| 1970 | — | — | 5 | #5,108 |
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).