Lillianna vs Sidney

Baby Name Comparison — 2026

Sidney

Boy #1,374 Most Popular 2 Syllables

Meaning

"from Saint Denis"

Origin: Anglo-Norman French

Cultural Roots

English American Australian

Quick Stats

Popularity Rank
#1,374
Total SSA Count
137
Syllables
2
Formality
Moderate
Nicknames
Sid

Playground Safety Score

✓ All Clear
Full profile for Sidney →

Popularity Comparison

Lillianna Rank #1,553
Sidney Rank #1,374

Sidney is more popular, ranked #1374 vs #1553 for Lillianna.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Lillianna ___

  • Lillianna Rose
  • Lillianna Grace
  • Lillianna Mae
  • Lillianna Violet
  • Lillianna Claire
  • Lillianna Kate

Sidney ___

  • Sidney James
  • Sidney Charles
  • Sidney Arthur
  • Sidney George
  • Sidney Philip
  • Sidney Thomas

Sibling Name Ideas

Names that pair well as siblings.

If you choose Lillianna

Arabella Juliette Sophia Emmeline Vivienne

If you choose Sidney

Shelby Beverly Evelyn Reginald Stanley

Which Name Fits Your Family?

Answer 3 quick questions and we'll help you decide.

1. Which style feels more like your family?

Frequently Asked Questions

Is Lillianna or Sidney more popular?

Sidney is more popular, ranked #1374 compared to Lillianna at #1553 in the United States.

What do Lillianna and Sidney mean?

Lillianna means "lily flower" (Latin/Greek origin). Sidney means "from Saint Denis" (Anglo-Norman French origin).

Are Lillianna and Sidney boy or girl names?

Lillianna is primarily a girl name. Sidney is primarily a boy name.

More Comparisons

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← Full profile: Lillianna ← Full profile: Sidney Browse all baby names