Calen vs Reilly

Baby Name Comparison — 2026

Calen

Boy #2,750 Most Popular 2 Syllables

Meaning

"slender, powerful in battle"

Origin: Irish Gaelic

Cultural Roots

Irish Scottish American

Quick Stats

Popularity Rank
#2,750
Total SSA Count
47
Syllables
2
Formality
Moderate
Nicknames
Cal

Playground Safety Score

✓ All Clear
Full profile for Calen →

Popularity Comparison

Calen Rank #2,750
Reilly Rank #2,728

Reilly is more popular, ranked #2728 vs #2750 for Calen.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Calen ___

  • Calen James
  • Calen Patrick
  • Calen Michael
  • Calen Thomas
  • Calen Ryan

Reilly ___

  • Reilly Grace
  • Reilly Ann
  • Reilly Mae
  • Reilly Kate
  • Reilly Claire
  • Reilly Rose

Sibling Name Ideas

Names that pair well as siblings.

If you choose Calen

Declan Finn Niall Saoirse Fiona

If you choose Reilly

Finn Caitlin Declan Sienna Aidan

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 Calen or Reilly more popular?

Reilly is more popular, ranked #2728 compared to Calen at #2750 in the United States.

What do Calen and Reilly mean?

Calen means "slender, powerful in battle" (Irish Gaelic origin). Reilly means "courageous, valiant" (Irish Gaelic origin).

Are Calen and Reilly boy or girl names?

Calen is primarily a boy name. Reilly is primarily a girl name.

More Comparisons

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← Full profile: Calen ← Full profile: Reilly Browse all baby names