Cailyn vs Grey

Baby Name Comparison — 2026

Popularity Comparison

Cailyn Rank #3,286
Grey Rank #878

Grey is more popular, ranked #878 vs #3286 for Cailyn.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Cailyn ___

  • Cailyn Rose
  • Cailyn Marie
  • Cailyn Grace
  • Cailyn Elizabeth
  • Cailyn Ann
  • Cailyn Jean

Grey ___

  • Grey James
  • Grey William
  • Grey Alexander
  • Grey Thomas
  • Grey Michael
  • Grey Elliot

Sibling Name Ideas

Names that pair well as siblings.

If you choose Cailyn

Declan Saoirse Ronan Fiona Aidan

If you choose Grey

Sloane River Sage Quinn Blaire

Which Name Fits Your Family?

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1. Which style feels more like your family?

Frequently Asked Questions

Is Cailyn or Grey more popular?

Grey is more popular, ranked #878 compared to Cailyn at #3286 in the United States.

What do Cailyn and Grey mean?

Cailyn means "pure" (Greek via Irish origin). Grey means "gray-haired one" (Old English origin).

Are Cailyn and Grey boy or girl names?

Cailyn is primarily a girl name. Grey is primarily a boy name.

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