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Sir

Masculine · “lord”

1967high 2018
#2167 in the U.S.given to only a few children a year
rare66 boys in 2025

Sir is a worn-down 'sire', from the Latin senior — an older man — so a knighthood's title began as a word for the elderly.

How old is the name Sir?

Sir first appears in US birth records in 1967 — 58 years ago. The typical Sir alive today was born around 2011, making them about 14 years old. About 2,100 people named Sir are estimated to be alive in the US today.

When was the name Sir most popular?

Sir peaked in 2021, reaching #1461 nationally. Today it ranks #2167, 706 places below that high. See the whole 2021 chart.

Compare this nameMore “S” names

Lists built from the same records:

I

Where it comes from

The story of Sir

Senior meant simply older, and Latin used it for men of standing; French wore it down to sire and English to sir. The same word gives señor, signor and monsieur. Sir entered American given-name use recently and appears in the registers in current use.

Meaning

lord, elder

From the Middle English sir, a reduced form of sire, from the Old French sire and ultimately the Latin senior, 'older'. The same root gives senator, senile and señor. The title's descent from a word for age is documented.

How the name formed

  1. senior
  2. sire
  3. sir
  4. Sir

Related forms: Señor · Sire · Signor

Pronouncing Sir

SUR

One syllable. It is a homophone of the ordinary English title.

Nicknames for Sir

Moderate

SirryAn affectionate stretch, used inside families rather than generally
SThe initial alone, common where a short name wants shortening further
II

What the data says

The long climb, and where it stands now

BOYS NAMED · 1967–20251115601116619672025

US babies named Sir per year from 1967 to 2025
AVERAGE RANK BY DECADE#1#10#100#1000#14611960s2020s

The same years in position rather than babies

First recorded
1967
Most boys named
2018111 — the highest on record
Peak rank
#1461reached in 2021
Change vs 2024
−17.5%66 in 2025, from 80
Sir sits in the rare tail. Its best year on record was 2018, with 111 boys. Today it is given to few enough children that it does not enter the ranked charts at all.

Rank is a position, a count is a headcount, and they move independently — a name can hold its rank while the number of babies behind it falls. Source: U.S. Social Security Administration.

Sir in other languages

The same name elsewhere

  • Señor in Spanish — related form
  • Sire in French — related form
  • Signor in Italian — related form

Strongest US states over the last decade: Texas, California, Florida.

Sirs among us

2,100

people named Sir are estimated to be alive in the US today

About 1 boy in 25,880 born in 2025 was named Sir

Estimated from SSA birth records and published actuarial life tables. Method

Spellings of Sir

#2167
Sir on the 2025 chart
#845
counting every spelling

The SSA counts spellings, not names. Sir went to 66 boys in 2025, but Syir is the same name said out loud. Together the 2 spellings went to 83, which makes it the 845th most-given boys’ name of the year — 1,322 places above the chart.

  • Sir66
  • Syir17

About 1 boy in 20,579 born in 2025 was given one of these spellings — against 1 in 25,880 for Sir itself.

Spellings are grouped by a fixed rule that folds interchangeable English spellings of one sound (ck/k, ph/f, x/ks, a non-initial y for i) and keeps vowels apart, so Sean and Shawn stay separate names. It errs towards splitting: a family here is never larger than the truth. SSA national data, 2025. Method

III

Is it right for you

The Garrie test

Every popular name lives one long story — a climb, a peak, a slow settling back. Sir's later chapters haven't been written yet, so we borrowed them: Garrie climbed just as high around 1952, and its whole arc is on record. Line the two peaks up, and Garrie's path sketches the road Sir is walking now.

40%chance Sir will feel “very 2020s” by 2040
Sir, aligned on its peakGarrie· peak 1952not yet written
#1#10#100#1000peak-40 yrs+40 yrsGarrie · #6415Sir today
Sir today is about where Garrie stood in 1956 — 4 years past a #1461-sized peak. By 1971, Garrie had settled around #5054.
Ages quietlysteadyDates fast

Sir sits in the calm middle of the cycle — neither chasing a wave nor sliding off one. Middle-of-the-cycle names age slowly and predictably.

A scored estimate from 146 years of naming cycles — not a prophecy. Great names outlive statistics. How this is scored

Where Sir is headed

19672030

US babies named Sir per year, 1967 to 2025, with a projection to 2030

Sir should hold steady through 2030 — the curve is flat, and flat curves are the most predictable kind. Its history is short or jumpy, though, so read this as a sketch rather than a promise.

Steady-11% by 2030projected around #2,456 in 2030

Low confidence — fitted on official counts through 2025.

A damped-trend projection of the official birth data — a sketch of momentum, not a promise. Every name's forecast, ranked.

Sir beside its neighbors

The names ranked closest to Sir in 2025, in babies rather than position — the bars are to scale.

Sirthis name66#2167Binyomin66#2167Koby66#2167Johnathon66#2167Iver66#2167

US boys given each name in 2025.

The trade-off

Practical strengths
  • That a knight's title descends from a word meaning 'older' is a first-rate etymology.
  • The same root gives senator, senile and señor, which is a rich family.
  • One syllable, clean, and never mispronounced.
What to consider
  • It is an ordinary English title and will confuse forms and greetings.
  • It is very short and can be swallowed by a long surname.
  • It is very new as a given name.

Nobody names a baby alone.
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Sir

Masculine · #2167 in the U.S.

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Frequently asked

How many Sirs are there in the world?
No country counts the world's names, so there is no worldwide figure — anyone quoting one is estimating. About 2,100 people named Sir are estimated to be alive in the US today.
How do you spell Sir?
Sir is the most-used spelling in US records — 66 of the 83 babies given the name in 2025. The others recorded are Syir.
How popular is the name Sir in 2025?
Sir ranks #2167 among US boy names in 2025, with 66 babies given the name.
How rare is the name Sir?
About 1 in every 25,880 US boys born in 2025 was named Sir — 66 in all.
Will my child share the name Sir with classmates?
Sir will almost certainly be the only one in school.

Ranked beside Sir

Names sitting at a similar level of popularity right now.

Binyomin#2167 · Koby#2167 · Johnathon#2167 · Iver#2167 · June#2167 · Whitaker#2167 · Sylus#2167 · Kipp#2167

Looking for what else is popular rather than what resembles Sir? See the current top 100.

Choosing between Sir and another name?

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US figures from the Social Security Administration. 1880–2025. Data & methodology

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