Sydney vs Kien

Baby Name Comparison — 2026

Sydney

Boy #4,249 Most Popular 2 Syllables

"wide island"

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

American English Australian

✓ All Clear

Boy #4,097 Most Popular 2 Syllables

"solid, strong"

Origin: Vietnamese

Vietnamese American East Asian

✓ All Clear

Sydney Rank #4,249

Kien Rank #4,097

Kien is more popular, ranked #4097 vs #4249 for Sydney.

Is Sydney or Kien more popular?

Kien is more popular, ranked #4097 compared to Sydney at #4249 in the United States.

What do Sydney and Kien mean?

Sydney means "wide island" (Old English sid (wide) and eg (island) origin). Kien means "solid, strong" (Vietnamese origin).

Are Sydney and Kien boy or girl names?

Sydney is primarily a boy name. Kien is primarily a boy name.