Declan vs Jax

Baby Name Comparison — 2026

Jax

Boy #315 Most Popular 1 Syllable

Cultural Roots

American Australian British

Quick Stats

Popularity Rank
#315
Total SSA Count
1,087
Syllables
1
Formality
Casual
Nicknames
Jax (standalone)

Playground Safety Score

✓ All Clear
Full profile for Jax →

Popularity Comparison

Declan Rank #131
Jax Rank #315

Declan is more popular, ranked #131 vs #315 for Jax.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Declan ___

  • Declan James
  • Declan Patrick
  • Declan Michael
  • Declan Ryan
  • Declan Thomas
  • Declan Cole

Jax ___

  • Jax Alexander
  • Jax Cole
  • Jax River
  • Jax Reid
  • Jax Thomas
  • Jax Michael

Sibling Name Ideas

Names that pair well as siblings.

If you choose Declan

Finn Liam Siobhan Aoife Rowan

If you choose Jax

Knox Dax Cruz Lola Piper

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 Declan or Jax more popular?

Declan is more popular, ranked #131 compared to Jax at #315 in the United States.

What do Declan and Jax mean?

Declan means "man of prayer" (Irish Gaelic origin).

Are Declan and Jax boy or girl names?

Declan is primarily a boy name. Jax is primarily a boy name.

More Comparisons

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← Full profile: Declan ← Full profile: Jax Browse all baby names