How old is someone named Sadie?
The average Sadie is 19 years old.
Half of all living Sadies are between 8 and 23.
When was Sadie popular?
Sadie was popular around 1895, faded for decades, and is back: 4,168 babies got the name in 2025.
Popular names of 2014 · The most popular names of the 2010s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1900s | 7,471 | 0 |
| 1910s | 12,423 | 0 |
| 1920s | 10,916 | 170 |
| 1930s | 6,348 | 1,300 |
| 1940s | 4,179 | 2,300 |
| 1950s | 2,437 | 1,900 |
| 1960s | 1,131 | 990 |
| 1970s | 1,754 | 1,700 |
| 1980s | 3,167 | 3,100 |
| 1990s | 8,585 | 8,400 |
| 2000s | 21,345 | 21,000 |
| 2010s | 36,604 | 36,000 |
| 2020s | 21,239 | 21,000 |
How many Sadies are still alive?
About 98,000 Sadies are alive in the US today. That's 66% of the roughly 150,000 babies named Sadie since 1880.
Roughly half of all Sadies ever born are still living.
What generation is the name Sadie?
About half of living Sadies are in Gen Alpha, born in 2013 or later.
Is Sadie an old name?
Not really. Sadie is younger than 72 in 100 names on AgeByName.
Looking ahead: if babies keep getting the name at today's pace, the typical Sadie will be 28 in 2056, so the name is aging slowly.
Is Sadie a boy or girl name?
Almost entirely girls: 99.9% of living Sadies are women.
Names the same age as Sadie
NAME TWIN
Sadie's name twin is Nolan. Of all 3,713 names on AgeByName, Nolan's age curve is the closest match to Sadie's: 91% alike.
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Questions about the name Sadie
How old is the average Sadie?
The average Sadie in the US is 19 years old. The median is 13, so half are older and half younger.
How many people are named Sadie?
About 98,000 Sadies are alive in the US today, out of roughly 150,000 babies given the name since 1880.
When was the name Sadie most popular?
In 2014, when about 4,900 baby girls were named Sadie.
Is Sadie a Gen Alpha name?
Yes. About 51% of living Sadies are in Gen Alpha, born in 2013 or later.
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