Lois vs Rio

Baby Name Comparison — 2026

Lois

Girl #1,692 Most Popular 2 Syllables

Meaning

"superior, more desirable"

Origin: Greek

Cultural Roots

English American Welsh

Quick Stats

Popularity Rank
#1,692
Total SSA Count
120
Syllables
2
Formality
Moderate
Nicknames
Lo

Playground Safety Score

✓ All Clear
Full profile for Lois →

Rio

Boy #517 Most Popular 2 Syllables

Meaning

"river"

Origin: Spanish/Portuguese

Cultural Roots

Spanish Portuguese Brazilian American

Quick Stats

Popularity Rank
#517
Total SSA Count
591
Syllables
2
Formality
Casual

Playground Safety Score

✓ All Clear
Full profile for Rio →

Popularity Comparison

Lois Rank #1,692
Rio Rank #517

Rio is more popular, ranked #517 vs #1692 for Lois.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Lois ___

  • Lois Marie
  • Lois Anne
  • Lois Jean
  • Lois Ellen
  • Lois Claire

Rio ___

  • Rio James
  • Rio Alexander
  • Rio Sebastian
  • Rio Marcus
  • Rio Cruz
  • Rio Blue

Sibling Name Ideas

Names that pair well as siblings.

If you choose Lois

Clark Nora Helen Dorothy Rex

If you choose Rio

Finn Kai Luna Isla Milo

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 Lois or Rio more popular?

Rio is more popular, ranked #517 compared to Lois at #1692 in the United States.

What do Lois and Rio mean?

Lois means "superior, more desirable" (Greek origin). Rio means "river" (Spanish/Portuguese origin).

Are Lois and Rio boy or girl names?

Lois is primarily a girl name. Rio is primarily a boy name.

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← Full profile: Lois ← Full profile: Rio Browse all baby names