Aidan vs Declan

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

Aidan Rank #312
Declan Rank #131

Declan is more popular, ranked #131 vs #312 for Aidan.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Aidan ___

  • Aidan Aidan James
  • Aidan Aidan Cole
  • Aidan Aidan Patrick
  • Aidan Aidan Thomas
  • Aidan Aidan Reid
  • Aidan Aidan Flynn

Declan ___

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

Sibling Name Ideas

Names that pair well as siblings.

If you choose Aidan

Declan Finn Ronan Ciaran Niamh

If you choose Declan

Finn Liam Siobhan Aoife Rowan

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 Aidan or Declan more popular?

Declan is more popular, ranked #131 compared to Aidan at #312 in the United States.

What do Aidan and Declan mean?

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

Are Aidan and Declan boy or girl names?

Aidan is primarily a boy name. Declan is primarily a boy name.

More Comparisons

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