Castella vs Guillermina

Baby Name Comparison — 2026

Popularity Comparison

Castella Rank #38,458
Guillermina Rank #38,609

Castella is more popular, ranked #38458 vs #38609 for Guillermina.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Castella ___

No pairings available yet.

Guillermina ___

  • Guillermina Maria
  • Guillermina Rosa
  • Guillermina Elena
  • Guillermina Sofia
  • Guillermina Carmen

Sibling Name Ideas

Names that pair well as siblings.

If you choose Castella

No sibling data available yet.

If you choose Guillermina

Rodrigo Isabella Alejandro Valentina

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 Castella or Guillermina more popular?

Castella is more popular, ranked #38458 compared to Guillermina at #38609 in the United States.

What do Castella and Guillermina mean?

Guillermina means "resolute protector" (Germanic origin).

Are Castella and Guillermina boy or girl names?

Castella is primarily a girl name. Guillermina is primarily a girl name.

More Comparisons

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