Foster vs Kylei

Baby Name Comparison — 2026

Foster

Boy #1,077 Most Popular 2 Syllables

Meaning

"forest keeper, forester"

Origin: Old English

Cultural Roots

English American

Quick Stats

Popularity Rank
#1,077
Total SSA Count
202
Syllables
2
Formality
Moderate
Nicknames
Fos

Playground Safety Score

✓ All Clear
Full profile for Foster →

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

Foster Rank #1,077
Kylei Rank #5,843

Foster is more popular, ranked #1077 vs #5843 for Kylei.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Foster ___

  • Foster James
  • Foster Lee
  • Foster Grey
  • Foster Cole
  • Foster Reed
  • Foster Blue

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 Foster

Hunter Fletcher Archer Sawyer Harper

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 Foster or Kylei more popular?

Foster is more popular, ranked #1077 compared to Kylei at #5843 in the United States.

What do Foster and Kylei mean?

Foster means "forest keeper, forester" (Old English origin). Kylei means "narrow channel or strait" (Irish Gaelic origin).

Are Foster and Kylei boy or girl names?

Foster is primarily a boy name. Kylei is primarily a girl name.

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