Cillian vs Mia

Baby Name Comparison — 2026

Mia

Girl #5 Most Popular 2 Syllables

Meaning

"mine, beloved"

Origin: Scandinavian

Cultural Roots

Italian Scandinavian Spanish

Quick Stats

Popularity Rank
#5
Total SSA Count
12,113
Syllables
2
Formality
Casual

Playground Safety Score

✓ All Clear
Full profile for Mia →

Popularity Comparison

Cillian Rank #464
Mia Rank #5

Mia is more popular, ranked #5 vs #464 for Cillian.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Cillian ___

  • Cillian James
  • Cillian Patrick
  • Cillian Michael
  • Cillian Finn
  • Cillian Declan
  • Cillian Joseph

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 Cillian

Declan Finn Conor Siobhan Saoirse

If you choose Mia

Liam Noah Sophia Olivia Ava

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 Cillian or Mia more popular?

Mia is more popular, ranked #5 compared to Cillian at #464 in the United States.

What do Cillian and Mia mean?

Cillian means "strife, war" (Old Irish origin). Mia means "mine, beloved" (Scandinavian origin).

Are Cillian and Mia boy or girl names?

Cillian is primarily a boy name. Mia is primarily a girl name.

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