Kaylyn vs Koi

Baby Name Comparison — 2026

Koi

Boy #2,684 Most Popular 1 Syllable

Meaning

"love, romantic feeling"

Origin: Japanese

Cultural Roots

Japanese American Hawaiian

Quick Stats

Popularity Rank
#2,684
Total SSA Count
49
Syllables
1
Formality
Casual

Playground Safety Score

✓ All Clear
Full profile for Koi →

Popularity Comparison

Kaylyn Rank #2,876
Koi Rank #2,684

Koi is more popular, ranked #2684 vs #2876 for Kaylyn.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Kaylyn ___

  • Kaylyn Grace
  • Kaylyn Rose
  • Kaylyn Marie
  • Kaylyn Ann
  • Kaylyn Jade
  • Kaylyn Lee

Koi ___

  • Koi River
  • Koi Blue
  • Koi James
  • Koi Lee
  • Koi Finn
  • Koi Reef

Sibling Name Ideas

Names that pair well as siblings.

If you choose Kaylyn

Haley Brynlee Taylynn Greyson Jayden

If you choose Koi

Kai Reef Cove Marina River

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 Kaylyn or Koi more popular?

Koi is more popular, ranked #2684 compared to Kaylyn at #2876 in the United States.

What do Kaylyn and Koi mean?

Kaylyn means "pure" (Greek via Katherine origin). Koi means "love, romantic feeling" (Japanese origin).

Are Kaylyn and Koi boy or girl names?

Kaylyn is primarily a girl name. Koi is primarily a boy name.

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← Full profile: Kaylyn ← Full profile: Koi Browse all baby names