Sid vs Londyn

Baby Name Comparison — 2026

Sid

Boy #4,636 Most Popular 1 Syllable

"wide meadow, wide island"

Origin: Old English

English American British

✓ All Clear

Boy #4,728 Most Popular 2 Syllables

"from Londinium, fort on the Thames"

Origin: Celtic/Latin

American English African American

✓ All Clear

Sid Rank #4,636

Londyn Rank #4,728

Sid is more popular, ranked #4636 vs #4728 for Londyn.

Is Sid or Londyn more popular?

Sid is more popular, ranked #4636 compared to Londyn at #4728 in the United States.

What do Sid and Londyn mean?

Sid means "wide meadow, wide island" (Old English origin). Londyn means "from Londinium, fort on the Thames" (Celtic/Latin origin).

Are Sid and Londyn boy or girl names?

Sid is primarily a boy name. Londyn is primarily a boy name.