Kyren vs Rex

Baby Name Comparison — 2026

Kyren

Boy #814 Most Popular 2 Syllables

Meaning

"dark, dark-haired"

Origin: Irish Gaelic

Cultural Roots

American Irish Persian

Quick Stats

Popularity Rank
#814
Total SSA Count
308
Syllables
2
Formality
Moderate
Nicknames
Ky, Kyre

Playground Safety Score

✓ All Clear
Full profile for Kyren →

Popularity Comparison

Kyren Rank #814
Rex Rank #793

Rex is more popular, ranked #793 vs #814 for Kyren.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Kyren ___

  • Kyren James
  • Kyren Cole
  • Kyren Lee
  • Kyren Alexander
  • Kyren Scott
  • Kyren Dean

Rex ___

  • Rex James
  • Rex Oliver
  • Rex Arthur
  • Rex Henry
  • Rex William
  • Rex Theodore

Sibling Name Ideas

Names that pair well as siblings.

If you choose Kyren

Zara Declan Rowan Sienna Finn

If you choose Rex

Max Leo Augustus Vivienne Cordelia

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 Kyren or Rex more popular?

Rex is more popular, ranked #793 compared to Kyren at #814 in the United States.

What do Kyren and Rex mean?

Kyren means "dark, dark-haired" (Irish Gaelic origin). Rex means "king" (Latin origin).

Are Kyren and Rex boy or girl names?

Kyren is primarily a boy name. Rex is primarily a boy name.

More Comparisons

Rex vs Kyren Kyren vs Douglas Kyren vs Izael Kyren vs Joziah Kyren vs Ray
← Full profile: Kyren ← Full profile: Rex Browse all baby names