Justus vs Sir

Baby Name Comparison — 2026

Popularity Comparison

Justus Rank #1,814
Sir Rank #1,964

Justus is more popular, ranked #1814 vs #1964 for Sir.

Frequently Asked Questions

Is Justus or Sir more popular?

Justus is more popular, ranked #1814 compared to Sir at #1964 in the United States.

What do Justus and Sir mean?

Justus means "just, righteous, upright" (Latin origin). Sir means "lord, master" (Old French origin).

Are Justus and Sir boy or girl names?

Justus is primarily a boy name. Sir is primarily a boy name.

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