How old is someone named Mack?
The average Mack is 41 years old.
Half of all living Macks are between 10 and 70. The average sits between a large older group and a younger one, so many Macks are much older than 41.
When was Mack popular?
Few names are as steady as Mack. It peaked in 1942, but babies have been named Mack every year since records began, and 668 were in 2025.
Popular names of 1942 · The most popular names of the 1940s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1900s | 1,562 | 0 |
| 1910s | 3,907 | 0 |
| 1920s | 5,512 | under 100 |
| 1930s | 4,682 | 570 |
| 1940s | 5,686 | 2,400 |
| 1950s | 4,228 | 2,800 |
| 1960s | 2,725 | 2,200 |
| 1970s | 1,741 | 1,600 |
| 1980s | 1,306 | 1,200 |
| 1990s | 1,019 | 980 |
| 2000s | 1,270 | 1,300 |
| 2010s | 3,200 | 3,200 |
| 2020s | 3,630 | 3,600 |
How many Macks are still alive?
About 20,000 Macks are alive in the US today. That's 46% of the roughly 43,000 babies named Mack since 1880.
Roughly half of all Macks ever born are still living.
What generation is the name Mack?
About one in three living Macks are in Gen Alpha, born in 2013 or later.
Is Mack an old name?
Somewhat. Mack is older than 68 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 Mack will be 28 in 2056, so its average age will actually fall, as the youngest Macks make up more of the total.
Is Mack a boy or girl name?
Almost entirely boys: 99.7% of living Macks are men.
Names the same age as Mack
NAME TWIN
Mack's name twin is Harlan. Of all 3,713 names on AgeByName, Harlan's age curve is the closest match to Mack's: 93% alike.
Other spellings: Mac (30)
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Questions about the name Mack
How old is the average Mack?
The average Mack in the US is 41 years old. The median is 44, so half are older and half younger.
How many people are named Mack?
About 20,000 Macks are alive in the US today, out of roughly 43,000 babies given the name since 1880.
When was the name Mack most popular?
In 1942, when about 850 baby boys were named Mack.
Is Mack a Gen Alpha name?
Partly. Gen Alpha are the largest group, about 31% of living Macks, but the name spans several generations.
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