Is Kaius a boy or girl name?
Kaius is a boy name in the US. In 2024, 0 girls and 186 boys were named Kaius, so 0% were girls. Across 1880–2024, 0% of the 1,793 US babies named Kaius were girls.
- Boy rank, 2024
- #1,134
- Girl rank, 2024
- Not ranked
- Babies named Kaius since 2005
- 1,793
- Most popular year
- 2020
- 201 babies
Boys and girls named Kaius, by decade
Every year
| Year | Boys | Boy rank | Girls | Girl rank |
|---|---|---|---|---|
| 2024 | 186 | #1,134 | 0 | – |
| 2023 | 189 | #1,118 | 0 | – |
| 2022 | 177 | #1,163 | 0 | – |
| 2021 | 179 | #1,136 | 0 | – |
| 2020 | 201 | #1,028 | 0 | – |
| 2019 | 169 | #1,155 | 0 | – |
| 2018 | 115 | #1,502 | 0 | – |
| 2017 | 94 | #1,690 | 0 | – |
| 2016 | 114 | #1,496 | 0 | – |
| 2015 | 110 | #1,508 | 0 | – |
| 2014 | 85 | #1,773 | 0 | – |
| 2013 | 45 | #2,645 | 0 | – |
| 2012 | 34 | #3,271 | 0 | – |
| 2011 | 27 | #3,843 | 0 | – |
| 2010 | 14 | #6,207 | 0 | – |
| 2009 | 15 | #5,947 | 0 | – |
| 2008 | 15 | #5,924 | 0 | – |
| 2007 | 10 | #7,882 | 0 | – |
| 2006 | 7 | #10,117 | 0 | – |
| 2005 | 7 | #9,624 | 0 | – |
Highest rank
As a boy name, Kaius reached #1,028 in 2020. It has never been ranked as a girl name. 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.
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.