The baby name Caio appears in baby name data for the United States from 1999 to 2021. It was most popular in 2013 with 22 babies given the name.
Over the period shown, Caio has stayed at a similar level of popularity.
| Year | Count |
|---|---|
| 1999 | 5 |
| 2006 | 12 |
| 2007 | 14 |
| 2008 | 19 |
| 2009 | 6 |
| 2010 | 9 |
| 2012 | 6 |
| 2013 | 22 |
| 2014 | 5 |
| 2015 | 5 |
| 2017 | 21 |
| 2018 | 18 |
| 2020 | 16 |
| 2021 | 10 |