James vs Kacper

Baby Name Comparison — 2026

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 →

Kacper

Boy #5,668 Most Popular 2 Syllables

Meaning

"treasurer, keeper of treasure"

Origin: Persian Gathaspar

Cultural Roots

Polish Czech Slovak Central European

Quick Stats

Popularity Rank
#5,668
Total SSA Count
17
Syllables
2
Formality
Formal
Nicknames
Kac, Kaś

Playground Safety Score

✓ All Clear
Full profile for Kacper →

Popularity Comparison

James Rank #5
Kacper Rank #5,668

James is more popular, ranked #5 vs #5668 for Kacper.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

James ___

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

Kacper ___

  • Kacper Jan
  • Kacper Marek
  • Kacper Soren
  • Kacper Cole
  • Kacper Finn
  • Kacper Aleksy

Sibling Name Ideas

Names that pair well as siblings.

If you choose James

Charlotte Olivia Emma William Henry

If you choose Kacper

Zosia Maja Marek Aleksy Hania

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 James or Kacper more popular?

James is more popular, ranked #5 compared to Kacper at #5668 in the United States.

What do James and Kacper mean?

James means "supplanter, one who follows at the heel" (Hebrew origin). Kacper means "treasurer, keeper of treasure" (Persian Gathaspar origin).

Are James and Kacper boy or girl names?

James is primarily a boy name. Kacper is primarily a boy name.

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