James vs Kacy

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 →

Kacy

Girl #6,085 Most Popular 2 Syllables

Meaning

"vigilant, watchful"

Origin: Irish Gaelic (Cathasaigh)

Cultural Roots

American Irish-American

Quick Stats

Popularity Rank
#6,085
Total SSA Count
20
Syllables
2
Formality
Casual
Nicknames
Kay, K

Playground Safety Score

✓ All Clear
Full profile for Kacy →

Popularity Comparison

James Rank #5
Kacy Rank #6,085

James is more popular, ranked #5 vs #6085 for Kacy.

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

Kacy ___

  • Kacy Ann
  • Kacy Marie
  • Kacy Lynn
  • Kacy Rose
  • Kacy Grace
  • Kacy Elaine

Sibling Name Ideas

Names that pair well as siblings.

If you choose James

Charlotte Olivia Emma William Henry

If you choose Kacy

Brady Riley Avery Connor Logan

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 Kacy more popular?

James is more popular, ranked #5 compared to Kacy at #6085 in the United States.

What do James and Kacy mean?

James means "supplanter, one who follows at the heel" (Hebrew origin). Kacy means "vigilant, watchful" (Irish Gaelic (Cathasaigh) origin).

Are James and Kacy boy or girl names?

James is primarily a boy name. Kacy is primarily a girl name.

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