Kien vs Sydney

Baby Name Comparison — 2026

Kien

Boy #4,097 Most Popular 2 Syllables

"solid, strong"

Origin: Vietnamese

Vietnamese American East Asian

✓ All Clear

Boy #4,249 Most Popular 2 Syllables

"wide island"

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

American English Australian

✓ All Clear

Kien Rank #4,097

Sydney Rank #4,249

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

Is Kien or Sydney more popular?

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

What do Kien and Sydney mean?

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

Are Kien and Sydney boy or girl names?

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