Kilyan vs Sid

Baby Name Comparison — 2026

Kilyan

Boy #4,586 Most Popular 3 Syllables

"bright-headed"

Origin: Old Irish

Irish French German English

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Boy #4,636 Most Popular 1 Syllable

"wide meadow, wide island"

Origin: Old English

English American British

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Kilyan Rank #4,586

Sid Rank #4,636

Kilyan is more popular, ranked #4586 vs #4636 for Sid.

Is Kilyan or Sid more popular?

Kilyan is more popular, ranked #4586 compared to Sid at #4636 in the United States.

What do Kilyan and Sid mean?

Kilyan means "bright-headed" (Old Irish origin). Sid means "wide meadow, wide island" (Old English origin).

Are Kilyan and Sid boy or girl names?

Kilyan is primarily a boy name. Sid is primarily a boy name.