Is Cai a boy or girl name?
Cai is mostly a boy name in the US. In 2024, 18 girls and 83 boys were named Cai, so 17.8% were girls. Across 1880–2024, 25.8% of the 1,862 US babies named Cai were girls.
- Boy rank, 2024
- #1,902
- Girl rank, 2024
- #6,415
- Babies named Cai since 1989
- 1,862
- Most popular year
- 2022
- 131 babies
Boys and girls named Cai, by decade
Every year
| Year | Boys | Boy rank | Girls | Girl rank |
|---|---|---|---|---|
| 2024 | 83 | #1,902 | 18 | #6,415 |
| 2023 | 86 | #1,849 | 25 | #5,152 |
| 2022 | 108 | #1,612 | 23 | #5,492 |
| 2021 | 87 | #1,802 | 24 | #5,261 |
| 2020 | 66 | #2,118 | 38 | #3,788 |
| 2019 | 66 | #2,151 | 28 | #4,788 |
| 2018 | 65 | #2,149 | 21 | #5,821 |
| 2017 | 68 | #2,052 | 25 | #5,209 |
| 2016 | 82 | #1,830 | 34 | #4,270 |
| 2015 | 82 | #1,816 | 25 | #5,322 |
| 2014 | 71 | #2,003 | 21 | #6,024 |
| 2013 | 55 | #2,305 | 21 | #6,055 |
| 2012 | 54 | #2,361 | 23 | #5,744 |
| 2011 | 39 | #2,954 | 26 | #5,238 |
| 2010 | 38 | #3,023 | 8 | #12,491 |
| 2009 | 41 | #2,904 | 16 | #7,744 |
| 2008 | 39 | #3,007 | 15 | #8,194 |
| 2007 | 29 | #3,608 | 10 | #10,965 |
| 2006 | 23 | #4,117 | 10 | #10,733 |
| 2005 | 29 | #3,396 | 12 | #8,998 |
| 2004 | 27 | #3,464 | 14 | #7,905 |
| 2003 | 25 | #3,546 | 8 | #11,498 |
| 2002 | 20 | #4,061 | 9 | #10,376 |
| 2001 | 17 | #4,506 | 5 | #15,766 |
| 2000 | 16 | #4,610 | 7 | #12,005 |
| 1999 | 6 | #8,847 | 0 | – |
| 1998 | 8 | #6,937 | 0 | – |
| 1997 | 7 | #7,387 | 9 | #9,142 |
| 1996 | 6 | #8,088 | 6 | #12,075 |
| 1995 | 6 | #7,926 | 0 | – |
| 1994 | 8 | #6,448 | 0 | – |
| 1993 | 9 | #5,822 | 0 | – |
| 1992 | 0 | – | 0 | – |
| 1991 | 0 | – | 0 | – |
| 1990 | 10 | #5,037 | 0 | – |
| 1989 | 5 | #8,060 | 0 | – |
Highest rank
As a boy name, Cai reached #1,612 in 2022. As a girl name, it reached #3,788 in 2020. Ranks count every name SSA published for that year and sex, so they go well past the top 1,000.
Names from the same era
These names were also most popular in the 2020s, with a similar number of babies. They can work as sibling or middle names that feel like they belong together.
Names spelled like Cai
Source: US Social Security Administration baby name data, 1880–2024. Counts are Social Security card applications for US births; SSA leaves out names given to fewer than 5 babies in a year. Updated 2026-10-05. How these numbers are made.