Caelyn vs Kylei

Baby Name Comparison — 2026

Caelyn

Girl #5,840 Most Popular 2 Syllables

Meaning

"pure"

Origin: Greek via Irish

Cultural Roots

Irish American English

Quick Stats

Popularity Rank
#5,840
Total SSA Count
21
Syllables
2
Formality
Moderate
Nicknames
Cae, Kay, Caely

Playground Safety Score

✓ All Clear
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Kylei

Girl #5,843 Most Popular 2 Syllables

Meaning

"narrow channel or strait"

Origin: Irish Gaelic

Cultural Roots

Irish American Australian

Quick Stats

Popularity Rank
#5,843
Total SSA Count
21
Syllables
2
Formality
Casual
Nicknames
Ky, Lei

Playground Safety Score

✓ All Clear
Full profile for Kylei →

Popularity Comparison

Caelyn Rank #5,840
Kylei Rank #5,843

Caelyn is more popular, ranked #5840 vs #5843 for Kylei.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Caelyn ___

  • Caelyn Rose
  • Caelyn Grace
  • Caelyn Mae
  • Caelyn Lynn
  • Caelyn Ann
  • Caelyn Marie

Kylei ___

  • Kylei Marie
  • Kylei Ann
  • Kylei Grace
  • Kylei Jean
  • Kylei Dawn
  • Kylei Mae

Sibling Name Ideas

Names that pair well as siblings.

If you choose Caelyn

Aiden Liam Brynn Maeve Sienna

If you choose Kylei

Rylee Miley Zoey Brody Blake

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 Caelyn or Kylei more popular?

Caelyn is more popular, ranked #5840 compared to Kylei at #5843 in the United States.

What do Caelyn and Kylei mean?

Caelyn means "pure" (Greek via Irish origin). Kylei means "narrow channel or strait" (Irish Gaelic origin).

Are Caelyn and Kylei boy or girl names?

Caelyn is primarily a girl name. Kylei is primarily a girl name.

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← Full profile: Caelyn ← Full profile: Kylei Browse all baby names