Declan vs Justin

Baby Name Comparison — 2026

Declan

Boy #131 Most Popular 2 Syllables

Meaning

"man of prayer"

Origin: Irish Gaelic

Cultural Roots

Irish English American

Quick Stats

Popularity Rank
#131
Total SSA Count
2,758
Syllables
2
Formality
Moderate
Nicknames
Dec, Decs

Playground Safety Score

✓ All Clear
Full profile for Declan →

Popularity Comparison

Declan Rank #131
Justin Rank #199

Declan is more popular, ranked #131 vs #199 for Justin.

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

Justin ___

  • Justin James
  • Justin Michael
  • Justin Alexander
  • Justin Lee
  • Justin Ryan
  • Justin Thomas

Sibling Name Ideas

Names that pair well as siblings.

If you choose Declan

Finn Liam Siobhan Aoife Rowan

If you choose Justin

Brandon Tyler Brittany Ashley Ryan

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 Justin more popular?

Declan is more popular, ranked #131 compared to Justin at #199 in the United States.

What do Declan and Justin mean?

Declan means "man of prayer" (Irish Gaelic origin). Justin means "just, righteous" (Latin origin).

Are Declan and Justin boy or girl names?

Declan is primarily a boy name. Justin is primarily a boy name.

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