Caius vs James

Baby Name Comparison — 2026

Caius

Boy #1,063 Most Popular 2 Syllables

Meaning

"to rejoice, joyful"

Origin: Latin

Cultural Roots

Roman British European American

Quick Stats

Popularity Rank
#1,063
Total SSA Count
205
Syllables
2
Formality
Formal
Nicknames
Cai, Kai

Playground Safety Score

✓ All Clear
Full profile for Caius →

James

Boy #5 Most Popular 1 Syllable

Meaning

"supplanter, one who follows at the heel"

Origin: Hebrew

Cultural Roots

English Scottish Biblical

Quick Stats

Popularity Rank
#5
Total SSA Count
11,793
Syllables
1
Formality
Formal
Nicknames
Jim, Jimmy, Jamie

Playground Safety Score

✓ All Clear
Full profile for James →

Popularity Comparison

Caius Rank #1,063
James Rank #5

James is more popular, ranked #5 vs #1063 for Caius.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Caius ___

  • Caius James
  • Caius John
  • Caius Edward
  • Caius William
  • Caius Alexander
  • Caius Thomas

James ___

  • James Alexander
  • James William
  • James Thomas
  • James Edward
  • James Henry
  • James Patrick

Sibling Name Ideas

Names that pair well as siblings.

If you choose Caius

Livia Augustus Felix Octavia Marcus

If you choose James

Charlotte Olivia Emma William Henry

Which Name Fits Your Family?

Answer 3 quick questions and we'll help you decide.

1. Which style feels more like your family?

Frequently Asked Questions

Is Caius or James more popular?

James is more popular, ranked #5 compared to Caius at #1063 in the United States.

What do Caius and James mean?

Caius means "to rejoice, joyful" (Latin origin). James means "supplanter, one who follows at the heel" (Hebrew origin).

Are Caius and James boy or girl names?

Caius is primarily a boy name. James is primarily a boy name.

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