Greg vs Cleo

Baby Name Comparison — 2026

Greg

Boy #4,526 Most Popular 1 Syllable

"watchful, alert"

Origin: Greek

English American European

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Boy #4,718 Most Popular 2 Syllables

"short form of Cleopatra"

Origin: Greek

English American European Australian

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Greg Rank #4,526

Cleo Rank #4,718

Greg is more popular, ranked #4526 vs #4718 for Cleo.

Is Greg or Cleo more popular?

Greg is more popular, ranked #4526 compared to Cleo at #4718 in the United States.

What do Greg and Cleo mean?

Greg means "watchful, alert" (Greek origin). Cleo means "short form of Cleopatra" (Greek origin).

Are Greg and Cleo boy or girl names?

Greg is primarily a boy name. Cleo is primarily a boy name.