Kaius
Every Kaius since 2005 — 2,011 of them. Popularity, births, and rankings for each year, from official Social Security records.
The story of Kaius
Kaius is uncommon for boys in the United States, ranked #1,029 in 2025 with 216 babies given the name. It is currently rising compared with a decade ago.
Since 2005, 2,011 American babies have been named Kaius. Its peak came in 2025, when 216 newborns received the name — the signature sound of the 2020s.
The chart above shows the full history: the popularity view (births per 1,000 babies) is the honest comparison across generations, since total US births have changed enormously since 1880. Switch to the rank view to see where Kaius stood among all boys' names in any year, or use the compare tool to plot it against other names.
Kaius year by year
Every year since 2001, and five-year steps back to 1880. Rank is within each sex.
| Year | Boys | Boys rank |
|---|---|---|
| 2025 | 216 | #1,029 |
| 2024 | 186 | #1,135 |
| 2023 | 189 | #1,121 |
| 2022 | 177 | #1,163 |
| 2021 | 180 | #1,132 |
| 2020 | 202 | #1,023 |
| 2019 | 169 | #1,155 |
| 2018 | 115 | #1,502 |
| 2017 | 94 | #1,691 |
| 2016 | 114 | #1,496 |
| 2015 | 110 | #1,508 |
| 2014 | 85 | #1,773 |
| 2013 | 45 | #2,645 |
| 2012 | 34 | #3,271 |
| 2011 | 27 | #3,844 |
| 2010 | 14 | #6,207 |
| 2009 | 15 | #5,949 |
| 2008 | 15 | #5,925 |
| 2007 | 10 | #7,882 |
| 2006 | 7 | #10,119 |
| 2005 | 7 | #9,626 |
| 2004 | — | — |
| 2003 | — | — |
| 2002 | — | — |
| 2001 | — | — |
| 2000 | — | — |
| 1995 | — | — |
| 1990 | — | — |
| 1985 | — | — |
| 1980 | — | — |
| 1975 | — | — |
| 1970 | — | — |
| 1965 | — | — |
| 1960 | — | — |
| 1955 | — | — |
| 1950 | — | — |
| 1945 | — | — |
| 1940 | — | — |
| 1935 | — | — |
| 1930 | — | — |
| 1925 | — | — |
| 1920 | — | — |
| 1915 | — | — |
| 1910 | — | — |
| 1905 | — | — |
| 1900 | — | — |
| 1895 | — | — |
| 1890 | — | — |
| 1885 | — | — |
| 1880 | — | — |
Frequently asked questions
How popular is the name Kaius in 2025?
Kaius ranked #1,029 among boys' names in the United States in 2025, with 216 babies given the name, according to Social Security Administration data.
How many people are named Kaius?
2,011 babies have been named Kaius in the United States since 2005, based on Social Security card applications.
When was the name Kaius most popular?
Kaius peaked in 2025, when 216 newborns received the name.
Is Kaius a boy or girl name?
Kaius is overwhelmingly a boy's name — 100% of babies with the name.
Is the name Kaius rising or falling?
Kaius is on the rise — noticeably more popular now than a decade ago.