How old is someone named Sydnie?
The average Sydnie is 25 years old.
Half of all living Sydnies are between 20 and 29.
When was Sydnie popular?
Sydnie had one big moment, peaking in 2000. 71% of the babies ever named Sydnie arrived in a single 15-year stretch.
Popular names of 2000 · The most popular names of the 2000s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1930s | 5 | 0 |
| 1940s | 29 | under 100 |
| 1950s | 34 | under 100 |
| 1960s | 32 | under 100 |
| 1970s | 5 | under 100 |
| 1980s | 171 | 170 |
| 1990s | 1,877 | 1,800 |
| 2000s | 2,366 | 2,300 |
| 2010s | 579 | 580 |
| 2020s | 89 | under 100 |
How many Sydnies are still alive?
About 5,100 Sydnies are alive in the US today. That's 98% of the roughly 5,200 babies named Sydnie since 1933.
Nearly every Sydnie ever born is still alive, because almost all of them are young.
What generation is the name Sydnie?
About two in three living Sydnies are in Gen Z, born between 1997 and 2012.
- Boomer under 1%
- Gen X under 1%
- Millennial 22%
- Gen Z 69%
- Gen Alpha 8%
Is Sydnie an old name?
Not really. Sydnie is younger than 59 in 100 names on AgeByName.
Is Sydnie a boy or girl name?
Almost entirely girls: over 99.9% of living Sydnies are women.
Names the same age as Sydnie
NAME TWIN
Sydnie's name twin is Destiny. Of all 3,713 names on AgeByName, Destiny's age curve is the closest match to Sydnie's: 92% alike.
Think you can guess a Jessica's age?
Ten names, one slider each. Share your score.
Questions about the name Sydnie
How old is the average Sydnie?
The average Sydnie in the US is 25 years old. The median is 25, so half are older and half younger.
How many people are named Sydnie?
About 5,100 Sydnies are alive in the US today, out of roughly 5,200 babies given the name since 1933.
When was the name Sydnie most popular?
In 2000, when about 350 baby girls were named Sydnie.
Is Sydnie a Gen Z name?
Yes. About 69% of living Sydnies are in Gen Z, born between 1997 and 2012.
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