Cia vs Rai

Baby Name Comparison — 2026

Cia

Girl #13,324 Most Popular 2 Syllables

Meaning

"pure, ancient (from Celtic root)"

Origin: Welsh/Celtic

Cultural Roots

Welsh Irish Celtic

Quick Stats

Popularity Rank
#13,324
Total SSA Count
9
Syllables
2
Formality
Casual
Nicknames
Ci

Playground Safety Score

✓ All Clear
Full profile for Cia →

Rai

Boy #3,971 Most Popular 1 Syllable

Meaning

"trust, reliance"

Origin: Japanese

Cultural Roots

Japanese Indian Arabic American

Quick Stats

Popularity Rank
#3,971
Total SSA Count
28
Syllables
1
Formality
Moderate

Playground Safety Score

✓ All Clear
Full profile for Rai →

Popularity Comparison

Cia Rank #13,324
Rai Rank #3,971

Rai is more popular, ranked #3971 vs #13324 for Cia.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Cia ___

  • Cia Rose
  • Cia Wyn
  • Cia Bron
  • Cia Mair
  • Cia Sian
  • Cia Ffion

Rai ___

  • Rai Alexander
  • Rai James
  • Rai Theodore
  • Rai Kenji
  • Rai Yuki

Sibling Name Ideas

Names that pair well as siblings.

If you choose Cia

Seren Ffion Rhiannon Bronwyn Eirwen

If you choose Rai

Kai Hana Sora Rei Naomi

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 Cia or Rai more popular?

Rai is more popular, ranked #3971 compared to Cia at #13324 in the United States.

What do Cia and Rai mean?

Cia means "pure, ancient (from Celtic root)" (Welsh/Celtic origin). Rai means "trust, reliance" (Japanese origin).

Are Cia and Rai boy or girl names?

Cia is primarily a girl name. Rai is primarily a boy name.

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← Full profile: Cia ← Full profile: Rai Browse all baby names