Meaning not yet researched.
Cai: US boys given the name each year, 1880 to 2025, from Social Security card applications. 69 in 2025. Its best rank was #1,612 in 2022.
US births per year · SSA card applications
Peaked at #1,612 in 2022; #2,113 in 2025. About 85% of babies named Cai in 2025 were boys.
Baby name · US data 1880–2025
#2,113 for US boys in 2025. Its best year was 2022, at #1,612.
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.
Cai: US boys and girls given the name each year from 1880 to 2025. 69 boys in 2025. Peak: #1,612 in 2022 · most boys in one year: 108 (2022).
In 2025, 69 US boys were named Cai, making it the 2,113th most common boys’ name of the year, down 208 places from #1,905 in 2024. That is 14 fewer than the 83 boys named Cai in 2024. Its best rank for boys was #1,612, reached in 2022. That year also had the most boys given the name: 108. For comparison, it was #1,816 in 2015 and unranked in 1950.
In 2025, 12 US girls were named Cai, making it the 8,457th most common girls’ name of the year, down 2,012 places from #6,445 in 2024. That is 6 fewer than the 18 girls named Cai in 2024. Its best rank for girls was #3,789, reached in 2020. That year also had the most girls given the name: 38. For comparison, it was #5,322 in 2015 and unranked in 1950.
Social Security card records list Cai in 35 years of the 146 from 1880 to 2025, starting in 1989 with 5 babies. In all, 1,945 US babies have been given the name, 25% of them girls and 75% boys. Its busiest decade was the 2010s, with 854 babies named Cai.
Over the 10 years from 2016 to 2025, 780 US boys were named Cai; the busiest of those years was 2022, with 108. In 2025 that was about 1 in 24,755 of the boys in SSA’s list for the year.
Among the states, Cai ranked highest in Indiana in 2025, at #868 for boys there. It was not in the top 100 of any state. Related spellings in the SSA files include Kay (102,545 babies since 1880), Kai (78,710 babies since 1880), Kaia (20,967 babies since 1880) and Caia (1,201 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 Cai 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 47 are not listed.
| State | Births 2025 | Rank 2025 | Rank 2015 |
|---|---|---|---|
| Indiana | 6 | #868 | — |
| Missouri | 5 | #880 | #839 |
| Florida | 7 | #1,500 | #1,190 |
| Texas | 7 | #2,117 | #1,665 |
Births and national rank for each year SSA lists the name, newest first.
| Year | Girls | Girls rank | Boys | Boys rank |
|---|---|---|---|---|
| 2025 | 12 | #8,457 | 69 | #2,113 |
| 2024 | 18 | #6,445 | 83 | #1,905 |
| 2023 | 25 | #5,155 | 86 | #1,852 |
| 2022 | 23 | #5,496 | 108 | #1,612 |
| 2021 | 24 | #5,263 | 87 | #1,803 |
| 2020 | 38 | #3,789 | 66 | #2,118 |
| 2019 | 28 | #4,791 | 66 | #2,152 |
| 2018 | 21 | #5,821 | 65 | #2,149 |
| 2017 | 25 | #5,211 | 68 | #2,052 |
| 2016 | 34 | #4,271 | 82 | #1,830 |
| 2015 | 25 | #5,322 | 82 | #1,816 |
| 2014 | 21 | #6,026 | 71 | #2,003 |
| 2013 | 21 | #6,057 | 55 | #2,305 |
| 2012 | 23 | #5,744 | 54 | #2,361 |
| 2011 | 27 | #5,091 | 39 | #2,954 |
| 2010 | 9 | #11,434 | 38 | #3,023 |
| 2009 | 16 | #7,746 | 41 | #2,904 |
| 2008 | 15 | #8,194 | 39 | #3,008 |
| 2007 | 10 | #10,966 | 29 | #3,609 |
| 2006 | 10 | #10,734 | 23 | #4,118 |
| 2005 | 12 | #8,998 | 29 | #3,396 |
| 2004 | 14 | #7,905 | 27 | #3,464 |
| 2003 | 8 | #11,498 | 25 | #3,546 |
| 2002 | 9 | #10,379 | 20 | #4,061 |
| 2001 | 5 | #15,767 | 17 | #4,506 |
| 2000 | 7 | #12,005 | 16 | #4,610 |
| 1999 | — | — | 6 | #8,849 |
| 1998 | — | — | 8 | #6,937 |
| 1997 | 9 | #9,142 | 7 | #7,386 |
| 1996 | 6 | #12,075 | 6 | #8,088 |
| 1995 | — | — | 6 | #7,928 |
| 1994 | — | — | 8 | #6,447 |
| 1993 | — | — | 9 | #5,822 |
| 1990 | — | — | 10 | #5,037 |
| 1989 | — | — | 5 | #8,059 |
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).