How old is someone named Mattie?
The average Mattie is 57 years old.
Half of all living Matties are between 26 and 81. The average sits between a large older group and a younger one, so many Matties are much older than 57.
When was Mattie popular?
Mattie peaked in 1920 and has been given less and less ever since. Only 249 babies got the name in 2025.
Popular names of 1920 · The most popular names of the 1920s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1900s | 13,919 | 0 |
| 1910s | 22,380 | 0 |
| 1920s | 25,708 | 420 |
| 1930s | 16,463 | 3,300 |
| 1940s | 11,852 | 6,600 |
| 1950s | 6,648 | 5,100 |
| 1960s | 2,631 | 2,300 |
| 1970s | 1,118 | 1,000 |
| 1980s | 1,297 | 1,300 |
| 1990s | 2,045 | 2,000 |
| 2000s | 3,348 | 3,300 |
| 2010s | 2,615 | 2,600 |
| 2020s | 1,448 | 1,400 |
How many Matties are still alive?
About 29,000 Matties are alive in the US today. That's 22% of the roughly 130,000 babies named Mattie since 1880.
Most Matties ever born have died: the name was most popular in 1920, long enough ago that many of those babies are gone.
What generation is the name Mattie?
About one in three living Matties are Baby Boomers, born between 1946 and 1964.
Is Mattie an old name?
Yes. Mattie is older than 85 in 100 names on AgeByName.
Looking ahead: if babies keep getting the name at today's pace, the typical Mattie will be 40 in 2056, so its average age will actually fall, as the youngest Matties make up more of the total.
Is Mattie a boy or girl name?
Almost entirely girls: 99.7% of living Matties are women.
Names the same age as Mattie
NAME TWIN
Mattie's name twin is Lizzie. Of all 3,713 names on AgeByName, Lizzie's age curve is the closest match to Mattie's: 91% alike.
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Questions about the name Mattie
How old is the average Mattie?
The average Mattie in the US is 57 years old. The median is 68, so half are older and half younger.
How many people are named Mattie?
About 29,000 Matties are alive in the US today, out of roughly 130,000 babies given the name since 1880.
When was the name Mattie most popular?
In 1920, when about 2,900 baby girls were named Mattie.
Is Mattie a Boomer name?
Partly. Baby Boomers are the largest group, about 32% of living Matties, 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