Sir

Expression 1 The Leader · predominantly a boy’s name

The numbers in the letters

1Expression

Independent, pioneering, and ambitious. Number 1 represents new beginnings, leadership, and self-reliance. You are a natural born leader with strong determination and willpower.

1 + 9 → 1 + 0 → 1

9Soul Urge

What the vowels want: for it to have meant something. You are pulled toward the whole of things — the person in front of you and the pattern behind them at once.

9

1Personality

What the consonants project: someone already in motion. People assume you have a plan before you speak — which wins you rooms, and occasionally starts fights you never intended.

1 + 0 → 1

Sir in the real world

2,172 Americans have been named Sir since 1967. It peaked in 2021 with 123 newborns and 66 carried it in 2025 (#4,647).

US births per decade, 18802025 · SSA public data

Considering Sir for a baby?

Score it against your due-date window and the family’s charts — free, every point explained.

Score Sir

The name is half the signature

A birth date completes it — life path, birthday number, and how they interact with Sir’s letters.

Same number energy — Expression 1

Peaked in the same era — the 2020s