boy's name
Sir
- Gender Boy
- Syllables 1
- Letters 3
- Popularity Uncommon
- Births on record 2,192
Sir is a boy's name with 1 syllable. In 2025 it was given to 66 babies in the United States. It is used consistently but remains uncommon.
- Peaked in 2021, when 123 babies were given the name.
- It has been rising over the past decade.
- Today about 1 in 50,234 babies in the United States is given this name.
- First appears in US birth records in 1967.
- 1 syllable, with the stress on syllable 1.
Sir over time
Births per decade in the United States, 1960s to 2020s. The striped bar is the 2020s, still in progress — it covers 2020 to 2025, not a full ten years.
Show the numbers
| Decade | Births |
|---|---|
| 1960s | 11 |
| 1970s | 110 |
| 1980s | 212 |
| 1990s | 283 |
| 2000s | 384 |
| 2010s | 613 |
| 2020s (to 2025) | 559 |
How popular is Sir?
In 2025, Sir was given to 66 babies in the United States. It is used consistently but remains uncommon.
Where Sir is used
US figures omit any name given to fewer than five babies in a year, so the rarest names are absent from the source rather than absent from use. Data & sources.
Names that peaked alongside Sir
These names rose and fell in the same era, which is why they tend to sound like they belong together.
Parents who like Sir also like
Names whose popularity has risen and fallen in step with Sir over the last century — the same taste, a different name.
Sibling names for Sir
Names from the same era that won't rhyme or share an initial with Sir — the two things that make a sibling set grate.
Common questions about Sir
How popular is the name Sir?
In 2025, Sir was given to 66 babies in the United States. It is used consistently but remains uncommon.
Is Sir a girl's or a boy's name?
Sir is given almost entirely to boys in birth records.
How many syllables are in Sir?
Sir has 1 syllable.
When was Sir most popular?
Sir peaked in 2021, when 123 babies were given the name. It has been rising over the past decade.
Is Sir a good name?
That is not something records can settle, but they can tell you what you would be choosing. Sir currently ranks #2,178 in the United States. It has been rising over the past decade. Everything else — how it sounds with your surname, who it reminds you of — is yours.