Miller vs Rio

Baby Name Comparison — 2026

Popularity Comparison

Miller Rank #439
Rio Rank #517

Miller is more popular, ranked #439 vs #517 for Rio.

Frequently Asked Questions

Is Miller or Rio more popular?

Miller is more popular, ranked #439 compared to Rio at #517 in the United States.

What do Miller and Rio mean?

Miller means "one who mills grain" (Old English (mylenweard) origin). Rio means "river" (Spanish/Portuguese origin).

Are Miller and Rio boy or girl names?

Miller is primarily a boy name. Rio is primarily a boy name.

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