Kaitlyn

A distinctive pick — fewer than 3 pets share this name.

More girlsfriendlyoutgoingAlso a baby name →
#15700

Meaning & Story

An Irish Gaelic name meaning 'pure' — the anglicized form of Caitlín, a variant of Catherine, beloved for generations.

Kaitlyn is the most popular American spelling of the Irish classic Caitlín, itself a form of the ancient Greek Catherine meaning 'pure.' The name had a remarkable run of popularity in the 1990s and 2000s, carried by an entire generation who gave it a warm, spirited association. Female pets named Kaitlyn tend to have all the friendly, outgoing energy that the name accumulated over those decades of popularity. It's a name that feels both current and comfortable, like a favorite sweater. Consistently lovely.

At a Glance

#15700
Overall Rank
3
Registered
Girls
Popular With

Kaitlyn's Personality

Pets named Kaitlyn are most often described as:

  • friendlyStrong match
  • outgoingCommon
  • warmSometimes
  • spiritedOccasionally

Trait order based on owner reports across pet registries.

Frequently Asked Questions

Is Kaitlyn a good pet name?

Kaitlyn is a well-known pet name with 3 registered pets. Pets named Kaitlyn are often described as friendly, outgoing, warm.

Is Kaitlyn a boy or girl pet name?

Kaitlyn is more commonly given to female pets, though it can be used for any pet.

Is Kaitlyn also a human name?

Yes! Kaitlyn is both a popular pet name (ranked #15700 for pets) and a baby name. It is one of 1,600+ names shared between pets and humans on NamesPop.

Kaitlyn has two lives

Kaitlyn, the baby name
#652girls
166,341 babies
View baby page →
Kaitlyn, the pet name
#15700pet name
3 pets
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Last updated May 2026 · Data: NYC & Seattle pet licensing records · Methodology