Cossie vs Eirnin

Baby Name Comparison — 2026

Popularity Comparison

Cossie Rank #34,647
Eirnin Rank #34,696

Cossie is more popular, ranked #34647 vs #34696 for Eirnin.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Cossie ___

No pairings available yet.

Eirnin ___

  • Eirnin Ciarán
  • Eirnin Finn
  • Eirnin Patrick
  • Eirnin James
  • Eirnin Conor
  • Eirnin Ronan

Sibling Name Ideas

Names that pair well as siblings.

If you choose Cossie

No sibling data available yet.

If you choose Eirnin

Ciarán Riordan Aoife Niamh Siobhan

Which Name Fits Your Family?

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Frequently Asked Questions

Is Cossie or Eirnin more popular?

Cossie is more popular, ranked #34647 compared to Eirnin at #34696 in the United States.

What do Cossie and Eirnin mean?

Eirnin means "little iron one, iron-hearted" (Old Irish iarn + -ín origin).

Are Cossie and Eirnin boy or girl names?

Cossie is primarily a boy name. Eirnin is primarily a boy name.

More Comparisons

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← Full profile: Cossie ← Full profile: Eirnin Browse all baby names