Calvin vs Declan

Baby Name Comparison — 2026

Calvin

Boy #140 Most Popular 2 Syllables

Meaning

"derived from Calvus, bald"

Origin: French from Latin

Cultural Roots

English American French

Quick Stats

Popularity Rank
#140
Total SSA Count
2,568
Syllables
2
Formality
Moderate
Nicknames
Cal, Vin

Playground Safety Score

✓ All Clear
Full profile for Calvin →

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

Calvin Rank #140
Declan Rank #131

Declan is more popular, ranked #131 vs #140 for Calvin.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Calvin ___

  • Calvin James
  • Calvin Lee
  • Calvin Edward
  • Calvin Thomas
  • Calvin William
  • Calvin John

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 Calvin

Miles Elijah Nora Clara Owen

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 Calvin or Declan more popular?

Declan is more popular, ranked #131 compared to Calvin at #140 in the United States.

What do Calvin and Declan mean?

Calvin means "derived from Calvus, bald" (French from Latin origin). Declan means "man of prayer" (Irish Gaelic origin).

Are Calvin and Declan boy or girl names?

Calvin is primarily a boy name. Declan is primarily a boy name.

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