Sid vs Llewelyn

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 #4,551 Most Popular 3 Syllables

"leader, ruler"

Origin: Welsh llyw

Welsh British

✓ All Clear

Sid Rank #4,636

Llewelyn Rank #4,551

Llewelyn is more popular, ranked #4551 vs #4636 for Sid.

Is Sid or Llewelyn more popular?

Llewelyn is more popular, ranked #4551 compared to Sid at #4636 in the United States.

What do Sid and Llewelyn mean?

Sid means "wide meadow, wide island" (Old English origin). Llewelyn means "leader, ruler" (Welsh llyw origin).

Are Sid and Llewelyn boy or girl names?

Sid is primarily a boy name. Llewelyn is primarily a boy name.