Cailo vs James

Baby Name Comparison — 2026

Cailo

Boy #15,816 Most Popular 2 Syllables

Meaning

"rejoice, happy"

Origin: Welsh / Latin Gaius

Cultural Roots

English Welsh Modern American

Quick Stats

Popularity Rank
#15,816
Total SSA Count
7
Syllables
2
Formality
Casual
Nicknames
Kai, Cai, Kay

Playground Safety Score

✓ All Clear
Full profile for Cailo →

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

Cailo Rank #15,816
James Rank #5

James is more popular, ranked #5 vs #15816 for Cailo.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Cailo ___

  • Cailo James
  • Cailo River
  • Cailo Fox
  • Cailo Reid
  • Cailo Jude
  • Cailo Finn

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 Cailo

Zara Mila Nova Lyra Axel

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 Cailo or James more popular?

James is more popular, ranked #5 compared to Cailo at #15816 in the United States.

What do Cailo and James mean?

Cailo means "rejoice, happy" (Welsh / Latin Gaius origin). James means "supplanter, one who follows at the heel" (Hebrew origin).

Are Cailo and James boy or girl names?

Cailo is primarily a boy name. James is primarily a boy name.

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← Full profile: Cailo ← Full profile: James Browse all baby names