Kassius vs Sir

Baby Name Comparison — 2026

Popularity Comparison

Kassius Rank #1,897
Sir Rank #1,964

Kassius is more popular, ranked #1897 vs #1964 for Sir.

Frequently Asked Questions

Is Kassius or Sir more popular?

Kassius is more popular, ranked #1897 compared to Sir at #1964 in the United States.

What do Kassius and Sir mean?

Kassius means "hollow, empty" (Latin origin). Sir means "lord, master" (Old French origin).

Are Kassius and Sir boy or girl names?

Kassius is primarily a boy name. Sir is primarily a boy name.

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