Katharina 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

Katharina Rank #7,633
Sydni Rank #7,692

Katharina is more popular, ranked #7633 vs #7692 for Sydni.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Katharina ___

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 Katharina

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 Katharina or Sydni more popular?

Katharina is more popular, ranked #7633 compared to Sydni at #7692 in the United States.

What do Katharina and Sydni mean?

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

Are Katharina and Sydni boy or girl names?

Katharina is primarily a girl name. Sydni is primarily a girl name.

More Comparisons

Sydni vs Katharina Katharina vs Chrissy Katharina vs Lowe Katharina vs Sydni Katharina vs Freddie
← Full profile: Katharina ← Full profile: Sydni Browse all baby names