Castle vs Fergus

Baby Name Comparison — 2026

Popularity Comparison

Castle Rank #4,304
Fergus Rank #4,453

Castle is more popular, ranked #4304 vs #4453 for Fergus.

Frequently Asked Questions

Is Castle or Fergus more popular?

Castle is more popular, ranked #4304 compared to Fergus at #4453 in the United States.

What do Castle and Fergus mean?

Castle means "fortified stronghold" (Latin/Norman French origin). Fergus means "man of vigor" (Old Irish origin).

Are Castle and Fergus boy or girl names?

Castle is primarily a boy name. Fergus is primarily a boy name.

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← Full profile: Castle ← Full profile: Fergus Browse all baby names