Keiran vs Sun

Baby Name Comparison — 2026

Keiran

Boy #5,092 Most Popular 2 Syllables

Meaning

"dark one, little dark one"

Origin: Irish

Cultural Roots

Irish Scottish English Australian

Quick Stats

Popularity Rank
#5,092
Total SSA Count
19
Syllables
2
Formality
Moderate
Nicknames
Kei, Keri

Playground Safety Score

✓ All Clear
Full profile for Keiran →

Sun

Boy #5,167 Most Popular 1 Syllable

Meaning

"the sun, solar light"

Origin: English

Cultural Roots

American English Chinese Korean

Quick Stats

Popularity Rank
#5,167
Total SSA Count
19
Syllables
1
Formality
Casual
Nicknames
Sunny

Playground Safety Score

✓ All Clear
Full profile for Sun →

Popularity Comparison

Keiran Rank #5,092
Sun Rank #5,167

Keiran is more popular, ranked #5092 vs #5167 for Sun.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Keiran ___

  • Keiran James
  • Keiran Patrick
  • Keiran Thomas
  • Keiran Michael
  • Keiran Liam
  • Keiran Sean

Sun ___

  • Sun River
  • Sun James
  • Sun Bear
  • Sun Lee
  • Sun Stone
  • Sun Ray

Sibling Name Ideas

Names that pair well as siblings.

If you choose Keiran

Declan Fiona Niamh Ronan Aoife

If you choose Sun

Moon Sky River Star Aurora

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 Keiran or Sun more popular?

Keiran is more popular, ranked #5092 compared to Sun at #5167 in the United States.

What do Keiran and Sun mean?

Keiran means "dark one, little dark one" (Irish origin). Sun means "the sun, solar light" (English origin).

Are Keiran and Sun boy or girl names?

Keiran is primarily a boy name. Sun is primarily a boy name.

More Comparisons

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← Full profile: Keiran ← Full profile: Sun Browse all baby names