Phineas vs Sidney

Baby Name Comparison — 2026

Phineas

Boy #1,540 Most Popular 3 Syllables

Meaning

"oracle, mouth of brass"

Origin: Hebrew (Pinchas)

Cultural Roots

English American Jewish

Quick Stats

Popularity Rank
#1,540
Total SSA Count
114
Syllables
3
Formality
Moderate
Nicknames
Finn, Phin, Phinn

Playground Safety Score

✓ All Clear
Full profile for Phineas →

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

Phineas Rank #1,540
Sidney Rank #1,374

Sidney is more popular, ranked #1374 vs #1540 for Phineas.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Phineas ___

  • Phineas James
  • Phineas Oliver
  • Phineas August
  • Phineas Leo
  • Phineas Grey
  • Phineas Reid

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 Phineas

Ferb Adelaide Theodore Isadora Barnaby

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 Phineas or Sidney more popular?

Sidney is more popular, ranked #1374 compared to Phineas at #1540 in the United States.

What do Phineas and Sidney mean?

Phineas means "oracle, mouth of brass" (Hebrew (Pinchas) origin). Sidney means "from Saint Denis" (Anglo-Norman French origin).

Are Phineas and Sidney boy or girl names?

Phineas is primarily a boy name. Sidney is primarily a boy name.

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