Allisyn vs Sydni

Baby Name Comparison — 2026

Sydni

Girl #7,692 Most Popular 2 Syllables

Meaning

"Wide meadow or wide island"

Origin: Old English

Cultural Roots

English American

Quick Stats

Popularity Rank
#7,692
Total SSA Count
15
Syllables
2
Formality
Casual
Nicknames
Syd, Syddie

Playground Safety Score

✓ All Clear
Full profile for Sydni →

Popularity Comparison

Allisyn Rank #7,726
Sydni Rank #7,692

Sydni is more popular, ranked #7692 vs #7726 for Allisyn.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Allisyn ___

No pairings available yet.

Sydni ___

  • Sydni Grace
  • Sydni Marie
  • Sydni Rose
  • Sydni Elizabeth
  • Sydni Anne

Sibling Name Ideas

Names that pair well as siblings.

If you choose Allisyn

No sibling data available yet.

If you choose Sydni

Avery Brooke Taylor Logan Paige

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 Allisyn or Sydni more popular?

Sydni is more popular, ranked #7692 compared to Allisyn at #7726 in the United States.

What do Allisyn and Sydni mean?

Sydni means "Wide meadow or wide island" (Old English origin).

Are Allisyn and Sydni boy or girl names?

Allisyn is primarily a girl name. Sydni is primarily a girl name.

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← Full profile: Allisyn ← Full profile: Sydni Browse all baby names