How old is someone named Blair?
The average Blair is 29 years old.
Half of all living Blairs are between 7 and 43.
When was Blair popular?
Blair has been rising for years and peaked in 2025, so most Blairs are still kids.
Popular names of 2025 · The most popular names of the 2020s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1900s | 81 | 0 |
| 1910s | 508 | 0 |
| 1920s | 796 | under 100 |
| 1930s | 647 | under 100 |
| 1940s | 930 | 420 |
| 1950s | 2,499 | 1,700 |
| 1960s | 2,733 | 2,200 |
| 1970s | 2,103 | 1,900 |
| 1980s | 6,588 | 6,300 |
| 1990s | 5,320 | 5,200 |
| 2000s | 2,502 | 2,500 |
| 2010s | 5,500 | 5,500 |
| 2020s | 7,970 | 7,900 |
How many Blairs are still alive?
About 34,000 Blairs are alive in the US today. That's 88% of the roughly 38,000 babies named Blair since 1881.
Most Blairs ever born are still alive.
What generation is the name Blair?
About one in three living Blairs are in Gen Alpha, born in 2013 or later.
Is Blair an old name?
Not really. Blair is younger than 52 in 100 names on AgeByName.
Looking ahead: if babies keep getting the name at today's pace, the typical Blair will be 29 in 2056, about the same as today.
Is Blair a boy or girl name?
Mostly a girl's name: 68% of living Blairs are women, and 32% are men.
The women average 20 and the men 46. It was mostly a boys' name before 1970; since 1995, 87% of babies named Blair have been girls.
Names the same age as Blair
NAME TWIN
Blair's name twin is Stevie. Of all 3,713 names on AgeByName, Stevie's age curve is the closest match to Blair's: 87% alike.
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Questions about the name Blair
How old is the average Blair?
The average Blair in the US is 29 years old. The median is 29, so half are older and half younger.
How many people are named Blair?
About 34,000 Blairs are alive in the US today, out of roughly 38,000 babies given the name since 1881.
When was the name Blair most popular?
In 2025, when about 1,900 baby girls were named Blair.
Is Blair a Gen Alpha name?
Partly. Gen Alpha are the largest group, about 37% of living Blairs, but the name spans several generations.
Is Blair a boy or girl name?
Mostly a girl's name: 68% of living Blairs are women, and 32% are men. The women average 20 and the men 46. It was mostly a boys' name before 1970; since 1995, 87% of babies named Blair have been girls.
Estimates from Social Security Administration baby-name records (births 1880–2025) and SSA cohort life tables (2026 Trustees Report). Updated each spring. How we calculate this