Ciel vs Sydney

Baby Name Comparison — 2026

Ciel

Boy #4,049 Most Popular 2 Syllables

"sky, heaven"

Origin: French

French Japanese-influenced English

✓ All Clear

Boy #4,249 Most Popular 2 Syllables

"wide island"

Origin: Old English sid (wide) and eg (island)

American English Australian

✓ All Clear

Ciel Rank #4,049

Sydney Rank #4,249

Ciel is more popular, ranked #4049 vs #4249 for Sydney.

Is Ciel or Sydney more popular?

Ciel is more popular, ranked #4049 compared to Sydney at #4249 in the United States.

What do Ciel and Sydney mean?

Ciel means "sky, heaven" (French origin). Sydney means "wide island" (Old English sid (wide) and eg (island) origin).

Are Ciel and Sydney boy or girl names?

Ciel is primarily a boy name. Sydney is primarily a boy name.