Caius Name Meaning & Origin
Origin & Sound
Caius is a boy name of Latin origin, meaning "Rejoice, happy, or glad". It is spelled with 5 letters — 3 vowels and 2 consonants. The name opens on a emotional note and closes with a emotional one. Familiar short forms and variants include gaius.
Popularity & Notable Bearers
Caius is a popular choice for parents in United Kingdom and United States. Notable people named Caius include Caius Gabriel Cibber (Danish-English sculptor) and John Caius (Co-founder of Gonville and Caius College, Cambridge).
Numerology & Astrology
In numerology, Caius carries Life Path Number 8, linked to qualities like powerful, successful and ambitious. Its lucky numbers are 8, 17 and 26. Favourable associations include the colours black and dark blue, the days Saturday and Friday and the stone Blue Sapphire. Astrologically, Caius aligns with the Gemini sign — a Air sign and ruled by Mercury. Those who share this name are often associated with traits such as Adaptable, Outgoing and Intelligent. It is considered most compatible with Libra and Aquarius.
Explore related resources: Browse latin baby names | gemini zodiac names | Find sibling names | Numerology calculator
Global Popularity & International Usage
Global Popularity by Region
Numerology & Life Path Analysis
Life Path Number
Life Path 8: The Numerological Blueprint
"Achievers driven by material success and recognition."
Core Numerological Traits:
Lucky Colors
Black, Dark Blue
Lucky Days
Saturday, Friday
Power Gemstone
Blue Sapphire
Astrological Profile & Zodiac Compatibility
Sun Sign (Conscious Self)
Moon Sign (Emotional Self)
Astrological Compatibility
Most Compatible Zodiac Signs:
Libra, Aquarius share harmonic energy with gemini, creating naturally aligned relationships and partnerships.
Challenging Pairings:
While Virgo and Pisces may present friction, diverse zodiac combinations often foster growth and mutual understanding.