Jack vs Kaiden

Baby Name Comparison — 2026

Jack

Boy #15 Most Popular 1 Syllable

Meaning

"supplanter"

Origin: Hebrew

Cultural Roots

English Irish American Australian

Quick Stats

Popularity Rank
#15
Total SSA Count
8,434
Syllables
1
Formality
Casual
Nicknames
Jackie

Playground Safety Score

✓ All Clear
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Kaiden

Boy #207 Most Popular 2 Syllables

Meaning

"little fire"

Origin: Old Irish (Aodhán)

Cultural Roots

American English

Quick Stats

Popularity Rank
#207
Total SSA Count
1,708
Syllables
2
Formality
Casual
Nicknames
Kai, KK

Playground Safety Score

✓ All Clear
Full profile for Kaiden →

Popularity Comparison

Jack Rank #15
Kaiden Rank #207

Jack is more popular, ranked #15 vs #207 for Kaiden.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Jack ___

  • Jack Henry
  • Jack Thomas
  • Jack William
  • Jack Oliver
  • Jack James
  • Jack Edward

Kaiden ___

  • Kaiden James
  • Kaiden Lee
  • Kaiden Michael
  • Kaiden Ryan
  • Kaiden Cole
  • Kaiden Grey

Sibling Name Ideas

Names that pair well as siblings.

If you choose Jack

Charlie Lily Oliver Sophie Harry

If you choose Kaiden

Brayden Jayden Riley Logan Addison

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 Jack or Kaiden more popular?

Jack is more popular, ranked #15 compared to Kaiden at #207 in the United States.

What do Jack and Kaiden mean?

Jack means "supplanter" (Hebrew origin). Kaiden means "little fire" (Old Irish (Aodhán) origin).

Are Jack and Kaiden boy or girl names?

Jack is primarily a boy name. Kaiden is primarily a boy name.

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← Full profile: Jack ← Full profile: Kaiden Browse all baby names