What does Caius mean and where does it come from?
Caius (or Gaius) is a Latin name that was common in ancient Rome. It is derived from the Latin 'Gaius,' often interpreted to mean 'rejoice'. The name is notable for historical figures such as Gaius Julius Caesar and Gaius Octavius. It has seen revival in modern times, particularly among parents seek
Cultural significance
Caius has been a cherished name across cultures, particularly in Latin-speaking communities, where it reflects values of gaio.
Peak popularity
Reached #1210 in 2020 — currently #1347 in the US.
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Related Reading
Latin-origin baby names with timeless appeal
Browse names →How else can you spell Caius?
Same sound, different look — useful if you want something slightly more distinctive
What middle names flow best with Caius?
Caius works best with short, strong middle names — one or two syllables keep the full name from becoming a mouthful
Caius Grace
Most popular combo · classic
Caius Rose
Floral · soft ending
Caius Mae
Sweet · timeless
Caius Claire
French influence · crisp
Caius Jane
Literary · strong
Caius Skye
Modern · airy feel
How popular is Caius right now?
Falling — down 65 spots — currently #1347 in the US out of 135.5k tracked names
| Year | US Rank | Births | vs Prior Year |
|---|
| 2023 | #1347 | 140 | ▼ down 65 · -7% births |
| 2022 | #1282 | 150 | ▲ up 58 · +9% births |
| 2021 | #1340 | 138 | ▼ down 130 · -12% births |
| 2020 | #1210 | 156 | ▲ up 83 · +13% births |
| 2015 | #1293 | 138 | ▲ up 1249 · +182% births |
| 2010 | #2542 | 49 | ▲ up 1502 · +113% births |
| 2005 | #4044 | 23 | ▲ up 2700 · +130% births |
| 2000 | #6744 | 10 | — |
The story of Caius
Caius is a relatively modern name, first appearing in US records in 1994. With 1,436 total births recorded, Caius remains relatively uncommon. The name has grown more popular over time, rising from #6744 in 2000 to #1347 in 2023.
Names that peaked alongside Caius in 2020:
Caius by decade
Caius peaked in the 2020s. See all 2020s names →
| Decade | Births | |
|---|
| 1990s | 12 | |
| 2000s | 205 | |
| 2010s ★ | 1,063 | |
| 2020s | 156 | |
💎With 1,436 total births, Caius is an uncommon but established name.
What are good nicknames for Caius?
Famous people named Caius
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Caius (Renaissance scholar)
Caius used this name during the Latin revival of the Renaissance, reinforcing its classical prestige.
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Caius (historical Roman figure)
Caius carried this name during the Roman Empire, giving it the enduring weight of classical civilization.
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Caius (Roman senator or statesman)
Caius held this name during the height of Roman civilization, when Latin names spread across Europe.
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Celebrity Names
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Explore →What names sound and feel like Caius?
Based on sound, origin, and style — parents who love Caius also consider these
How is Caius written in other languages?
What are the girl versions of Caius?
Common questions about the name Caius
What does the name Caius mean?
Caius means "Gaio" — a name rooted in Latin tradition that carries both historical depth and timeless appeal. The meaning reflects values that have made this name endure across generations.
How popular is the name Caius?
Caius is currently a distinctive and less common name as a boy name in the US and is holding steady in popularity, a reliable classic that parents consistently choose.
What is the cultural origin of Caius?
Caius originates from Latin tradition. Latin names tend to carry strong cultural heritage and have spread across the world through migration, literature, and religion over centuries.
How do you pronounce the name Caius?
Caius is a two-syllable name pronounced K AY1 AH1 S. The pronunciation is straightforward for English speakers, and the name reads clearly on paper — an important practical consideration for parents.
Is Caius a common or rare name?
Caius is a distinctive choice that balances familiarity with individuality. It strikes a balance between standing out and fitting in.