What does Caius mean?
Caius means “rejoice”.
As a form of Gaius, Caius is associated with the meaning “rejoice”. It is recorded in Latin naming traditions.
Nicknames & variations
No nicknames or variations are listed for Caius yet.
How popular is Caius?
United States · 2025Explore how often Caius is used and how its ranking has changed.
- US boys rank
- #927 2025 · #1 is most popular
- Boys named Caius
- 254 Recorded births in 2025
- Change in births
- 23.3% More than 2024
Caius over time
United States · Boys
Recorded births
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Yearly data & usage
Rankings are calculated separately for girls and boys. The summary highlights boys, the most common recorded usage in 2025.
| Year | Usage | US rank | Births |
|---|---|---|---|
| 2025 | Boys | #927 | 254 |
| 2024 | Boys | #1,060 | 206 |
| 2023 | Boys | #1,347 | 140 |
| 2022 | Boys | #1,282 | 150 |
| 2021 | Boys | #1,341 | 138 |
| 2020 | Boys | #1,209 | 156 |
| 2019 | Boys | #1,328 | 137 |
| 2018 | Boys | #1,361 | 130 |
| 2017 | Boys | #1,512 | 110 |
| 2016 | Boys | #1,224 | 153 |
| 2015 | Boys | #1,289 | 138 |
| 2014 | Boys | #1,377 | 124 |
Years reflect available birth records. Missing records do not mean zero births.
Names like Caius
Explore the connection, then save your favorites to compare.
Kaius
Mostly boys- Meaning
- Rejoice
Shares the recorded meaning “rejoice” with Caius.
Oliver
Mostly boys- Meaning
- Elf army; ancestor's relic; olive tree
Shares an origin with Caius.
Lucas
Mostly boys- Meaning
- Man from Lucania
Shares an origin with Caius.
Sebastian
Mostly boys- Meaning
- Person from ancient city of Sebastia, venerable
Shares an origin with Caius.
Leo
Mostly boys- Meaning
- Lion
Shares an origin with Caius.
Julian
Mostly boys- Meaning
- Uncertain; proposed meanings include youthful or downy-bearded
Shares an origin with Caius.
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