Meaning not yet researched.
Kacper: US boys given the name each year, 1880 to 2025, from Social Security card applications. 11 in 2025. Its best rank was #1,651 in 2006.
US births per year · SSA card applications
Peaked at #1,651 in 2006; #7,412 in 2025. Every baby recorded as Kacper in 2025 was a boy.
Baby name · US data 1880–2025
#7,412 for US boys in 2025. Its best year was 2006, at #1,651.
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.
Kacper: US boys given the name each year from 1880 to 2025. 11 boys in 2025. Peak: #1,651 in 2006 · most boys in one year: 88 (2007).
In 2025, 11 US boys were named Kacper, making it the 7,412th most common boys’ name of the year, down 1,862 places from #5,550 in 2024. That is 6 fewer than the 17 boys named Kacper in 2024. Its best rank for boys was #1,651, reached in 2006. The most boys given the name in a single year was 88, in 2007. For comparison, it was #3,633 in 2015 and unranked in 1950.
Social Security card records list Kacper in 32 years of the 146 from 1880 to 2025, starting in 1994 with 10 babies. In all, 1,102 US babies have been given the name, all of them boys. Its busiest decade was the 2000s, with 563 babies named Kacper.
Over the 10 years from 2016 to 2025, 195 US boys were named Kacper; the busiest of those years was 2016, with 45. In 2025 that was about 1 in 155,280 of the boys in SSA’s list for the year.
Related spellings in the SSA files include Casper (6,229 babies since 1880) and Kasper (1,409 babies since 1880).
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.
Numbers are all-time US births. Links come from Wikidata’s “said to be the same as” (P460, CC0).
No nicknames listed for Kacper 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 | — | — | 11 | #7,412 |
| 2024 | — | — | 17 | #5,550 |
| 2023 | — | — | 12 | #7,095 |
| 2022 | — | — | 14 | #6,309 |
| 2021 | — | — | 11 | #7,348 |
| 2020 | — | — | 11 | #7,250 |
| 2019 | — | — | 23 | #4,409 |
| 2018 | — | — | 32 | #3,477 |
| 2017 | — | — | 19 | #5,019 |
| 2016 | — | — | 45 | #2,705 |
| 2015 | — | — | 30 | #3,633 |
| 2014 | — | — | 43 | #2,777 |
| 2013 | — | — | 36 | #3,093 |
| 2012 | — | — | 62 | #2,167 |
| 2011 | — | — | 54 | #2,360 |
| 2010 | — | — | 56 | #2,302 |
| 2009 | — | — | 57 | #2,308 |
| 2008 | — | — | 76 | #1,909 |
| 2007 | — | — | 88 | #1,714 |
| 2006 | — | — | 87 | #1,651 |
| 2005 | — | — | 65 | #1,952 |
| 2004 | — | — | 65 | #1,899 |
| 2003 | — | — | 42 | #2,488 |
| 2002 | — | — | 23 | #3,725 |
| 2001 | — | — | 29 | #3,104 |
| 2000 | — | — | 31 | #2,891 |
| 1999 | — | — | 13 | #5,174 |
| 1998 | — | — | 13 | #5,023 |
| 1997 | — | — | 7 | #7,688 |
| 1996 | — | — | 9 | #6,247 |
| 1995 | — | — | 11 | #5,319 |
| 1994 | — | — | 10 | #5,665 |
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).