Llewelyn vs Sid

Baby Name Comparison — 2026

Llewelyn

Boy #4,551 Most Popular 3 Syllables

"leader, ruler"

Origin: Welsh llyw

Welsh British

✓ All Clear

Boy #4,636 Most Popular 1 Syllable

"wide meadow, wide island"

Origin: Old English

English American British

✓ All Clear

Llewelyn Rank #4,551

Sid Rank #4,636

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

Is Llewelyn or Sid more popular?

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

What do Llewelyn and Sid mean?

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

Are Llewelyn and Sid boy or girl names?

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