Greg vs Kilyan

Baby Name Comparison — 2026

Greg

Boy #4,526 Most Popular 1 Syllable

"watchful, alert"

Origin: Greek

English American European

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Boy #4,586 Most Popular 3 Syllables

"bright-headed"

Origin: Old Irish

Irish French German English

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Greg Rank #4,526

Kilyan Rank #4,586

Greg is more popular, ranked #4526 vs #4586 for Kilyan.

Is Greg or Kilyan more popular?

Greg is more popular, ranked #4526 compared to Kilyan at #4586 in the United States.

What do Greg and Kilyan mean?

Greg means "watchful, alert" (Greek origin). Kilyan means "bright-headed" (Old Irish origin).

Are Greg and Kilyan boy or girl names?

Greg is primarily a boy name. Kilyan is primarily a boy name.