Casiah vs Mia

Baby Name Comparison — 2026

Popularity Comparison

Casiah Rank #50,658
Mia Rank #5

Mia is more popular, ranked #5 vs #50658 for Casiah.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Casiah ___

No pairings available yet.

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 Casiah

No sibling data available yet.

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 Casiah or Mia more popular?

Mia is more popular, ranked #5 compared to Casiah at #50658 in the United States.

What do Casiah and Mia mean?

Mia means "mine, beloved" (Scandinavian origin).

Are Casiah and Mia boy or girl names?

Casiah is primarily a girl name. Mia is primarily a girl name.

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