James vs Kacyn

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 →

Kacyn

Boy #6,406 Most Popular 2 Syllables

Meaning

"vigilant, watchful"

Origin: Irish (Casey root)

Cultural Roots

American English

Quick Stats

Popularity Rank
#6,406
Total SSA Count
14
Syllables
2
Formality
Moderate
Nicknames
Kace, Kacy

Playground Safety Score

✓ All Clear
Full profile for Kacyn →

Popularity Comparison

James Rank #5
Kacyn Rank #6,406

James is more popular, ranked #5 vs #6406 for Kacyn.

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

Kacyn ___

  • Kacyn James
  • Kacyn Lee
  • Kacyn Riley
  • Kacyn Ray
  • Kacyn Allen
  • Kacyn Thomas

Sibling Name Ideas

Names that pair well as siblings.

If you choose James

Charlotte Olivia Emma William Henry

If you choose Kacyn

Brayden Rylan Kylie Addison Jaxon

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 Kacyn more popular?

James is more popular, ranked #5 compared to Kacyn at #6406 in the United States.

What do James and Kacyn mean?

James means "supplanter, one who follows at the heel" (Hebrew origin). Kacyn means "vigilant, watchful" (Irish (Casey root) origin).

Are James and Kacyn boy or girl names?

James is primarily a boy name. Kacyn is primarily a boy name.

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