How old is someone named Kirby?
The average Kirby is 46 years old.
Half of all living Kirbys are between 33 and 64.
When was Kirby popular?
Kirby has never really gone out of style. Parents have chosen it every year for more than a century; its busiest year was 1984.
Popular names of 1984 · The most popular names of the 1980s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1900s | 88 | 0 |
| 1910s | 411 | 0 |
| 1920s | 631 | 0 |
| 1930s | 746 | 100 |
| 1940s | 1,610 | 730 |
| 1950s | 3,130 | 2,100 |
| 1960s | 2,459 | 2,000 |
| 1970s | 1,674 | 1,500 |
| 1980s | 2,802 | 2,700 |
| 1990s | 2,521 | 2,400 |
| 2000s | 871 | 860 |
| 2010s | 780 | 770 |
| 2020s | 623 | 620 |
How many Kirbys are still alive?
About 14,000 Kirbys are alive in the US today. That's 75% of the roughly 18,000 babies named Kirby since 1881.
Most Kirbys ever born are still alive.
What generation is the name Kirby?
About one in three living Kirbys are Millennials, born between 1981 and 1996.
Is Kirby an old name?
Somewhat. Kirby is older than 74 in 100 names on AgeByName, but younger than plenty of classics.
Looking ahead: if babies keep getting the name at today's pace, the typical Kirby will be 50 in 2056, about the same as today.
Is Kirby a boy or girl name?
Mostly a boy's name: 73% of living Kirbys are men, and 27% are women.
The women average 33 and the men 51.
Names the same age as Kirby
NAME TWIN
Kirby's name twin is Stephan. Of all 3,713 names on AgeByName, Stephan's age curve is the closest match to Kirby's: 88% alike.
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Questions about the name Kirby
How old is the average Kirby?
The average Kirby in the US is 46 years old. The median is 43, so half are older and half younger.
How many people are named Kirby?
About 14,000 Kirbys are alive in the US today, out of roughly 18,000 babies given the name since 1881.
When was the name Kirby most popular?
In 1984, when about 510 baby girls were named Kirby.
Is Kirby a Millennial name?
Partly. Millennials are the largest group, about 33% of living Kirbys, but the name spans several generations.
Is Kirby a boy or girl name?
Mostly a boy's name: 73% of living Kirbys are men, and 27% are women. The women average 33 and the men 51.
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