Kailen vs Weldon

Baby Name Comparison — 2026

Kailen

Boy #3,163 Most Popular 2 Syllables

Meaning

"slender, narrow"

Origin: Irish Gaelic

Cultural Roots

Irish American Celtic

Quick Stats

Popularity Rank
#3,163
Total SSA Count
38
Syllables
2
Formality
Moderate
Nicknames
Kai, Kay

Playground Safety Score

✓ All Clear
Full profile for Kailen →

Popularity Comparison

Kailen Rank #3,163
Weldon Rank #2,996

Weldon is more popular, ranked #2996 vs #3163 for Kailen.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Kailen ___

  • Kailen James
  • Kailen Patrick
  • Kailen Michael
  • Kailen Connor
  • Kailen Sean
  • Kailen Ryan

Weldon ___

  • Weldon James
  • Weldon Thomas
  • Weldon Scott
  • Weldon Ray
  • Weldon Craig
  • Weldon Lee

Sibling Name Ideas

Names that pair well as siblings.

If you choose Kailen

Declan Finn Aoife Saoirse Liam

If you choose Weldon

Dalton Preston Grover Mildred Harriet

Which Name Fits Your Family?

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1. Which style feels more like your family?

Frequently Asked Questions

Is Kailen or Weldon more popular?

Weldon is more popular, ranked #2996 compared to Kailen at #3163 in the United States.

What do Kailen and Weldon mean?

Kailen means "slender, narrow" (Irish Gaelic origin). Weldon means "from the hill spring" (Old English origin).

Are Kailen and Weldon boy or girl names?

Kailen is primarily a boy name. Weldon is primarily a boy name.

More Comparisons

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← Full profile: Kailen ← Full profile: Weldon Browse all baby names