Meaning not yet researched.
Kasyn: US boys given the name each year, 1880 to 2025, from Social Security card applications. 89 in 2025. Its best rank was #1,586 in 2020.
US births per year · SSA card applications
Peaked at #1,586 in 2020; #1,799 in 2025. About 95% of babies named Kasyn in 2025 were boys.
Baby name · US data 1880–2025
#1,799 for US boys in 2025. Its best year was 2020, at #1,586.
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.
Kasyn: US boys and girls given the name each year from 1880 to 2025. 89 boys in 2025. Peak: #1,586 in 2020 · most boys in one year: 103 (2020).
In 2025, 89 US boys were named Kasyn, making it the 1,799th most common boys’ name of the year, up 270 places from #2,069 in 2024. That is 16 more than the 73 boys named Kasyn in 2024. Its best rank for boys was #1,586, reached in 2020. That year also had the most boys given the name: 103. For comparison, it was #2,045 in 2015 and unranked in 1950.
In 2025, 5 US girls were named Kasyn, making it the 16,082nd most common girls’ name of the year, down 1,740 places from #14,342 in 2024. That is 1 fewer than the 6 girls named Kasyn in 2024. Its best rank for girls was #6,385, reached in 2018. That year also had the most girls given the name: 19. For comparison, it was #6,587 in 2015 and unranked in 1950.
Social Security card records list Kasyn in 23 years of the 146 from 1880 to 2025, starting in 2003 with 7 babies. In all, 1,663 US babies have been given the name, 15% of them girls and 85% boys. Its busiest decade was the 2010s, with 892 babies named Kasyn.
Over the 10 years from 2016 to 2025, 860 US boys were named Kasyn; the busiest of those years was 2020, with 103. In 2025 that was about 1 in 19,192 of the boys in SSA’s list for the year.
Among the states, Kasyn ranked highest in Louisiana in 2025, at #722 for boys there. It was not in the top 100 of any state. Related spellings in the SSA files include Kayson (15,487 babies since 1880), Kason (14,951 babies since 1880), Kasen (11,538 babies since 1880) and Cason (11,388 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) and our spelling rule: at most two letters different, with the same sound pattern.
No nicknames listed for Kasyn 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 46 are not listed.
| State | Births 2025 | Rank 2025 | Rank 2015 |
|---|---|---|---|
| Louisiana | 6 | #722 | — |
| Indiana | 5 | #1,024 | — |
| Illinois | 6 | #1,208 | — |
| Georgia | 6 | #1,289 | — |
| Texas | 8 | #2,002 | #1,177 |
Births and national rank for each year SSA lists the name, newest first.
| Year | Girls | Girls rank | Boys | Boys rank |
|---|---|---|---|---|
| 2025 | 5 | #16,082 | 89 | #1,799 |
| 2024 | 6 | #14,342 | 73 | #2,069 |
| 2023 | 6 | #14,283 | 83 | #1,903 |
| 2022 | 10 | #10,055 | 87 | #1,846 |
| 2021 | 12 | #8,719 | 88 | #1,796 |
| 2020 | 11 | #9,234 | 103 | #1,586 |
| 2019 | 9 | #10,902 | 90 | #1,747 |
| 2018 | 19 | #6,385 | 81 | #1,862 |
| 2017 | 18 | #6,671 | 81 | #1,835 |
| 2016 | 16 | #7,421 | 85 | #1,796 |
| 2015 | 19 | #6,587 | 70 | #2,045 |
| 2014 | 19 | #6,582 | 81 | #1,835 |
| 2013 | 12 | #9,317 | 68 | #2,011 |
| 2012 | 12 | #9,403 | 64 | #2,115 |
| 2011 | 15 | #7,988 | 61 | #2,158 |
| 2010 | 16 | #7,709 | 56 | #2,303 |
| 2009 | 13 | #9,138 | 45 | #2,730 |
| 2008 | 13 | #9,240 | 39 | #3,042 |
| 2007 | 8 | #13,283 | 29 | #3,648 |
| 2006 | 5 | #18,587 | 15 | #5,671 |
| 2005 | — | — | 9 | #7,998 |
| 2004 | 6 | #15,079 | 9 | #7,878 |
| 2003 | — | — | 7 | #9,168 |
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).