Gillian vs Mia

Baby Name Comparison — 2026

Popularity Comparison

Gillian Rank #3,126
Mia Rank #5

Mia is more popular, ranked #5 vs #3126 for Gillian.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Gillian ___

  • Gillian Rose
  • Gillian Anne
  • Gillian Claire
  • Gillian Marie
  • Gillian Hope
  • Gillian Grace

Mia ___

  • Mia Rose
  • Mia Grace
  • Mia Jane
  • Mia Claire
  • Mia Elizabeth
  • Mia Louise

Sibling Name Ideas

Names that pair well as siblings.

If you choose Gillian

Alison Sheila Colin Duncan Fiona

If you choose Mia

Liam Noah Sophia Olivia Ava

Which Name Fits Your Family?

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1. Which style feels more like your family?

Frequently Asked Questions

Is Gillian or Mia more popular?

Mia is more popular, ranked #5 compared to Gillian at #3126 in the United States.

What do Gillian and Mia mean?

Gillian means "youthful" (Latin origin). Mia means "mine, beloved" (Scandinavian origin).

Are Gillian and Mia boy or girl names?

Gillian is primarily a girl name. Mia is primarily a girl name.

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← Full profile: Gillian ← Full profile: Mia Browse all baby names