How old is someone named Heidy?
The average Heidy is 21 years old.
Half of all living Heidys are between 13 and 26.
When was Heidy popular?
Heidy was a boom name: it shot up, peaked in 2010, and dropped away. That's why most Heidys are close to the same age.
Popular names of 2010 · The most popular names of the 2010s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1950s | 33 | under 100 |
| 1960s | 95 | under 100 |
| 1970s | 162 | 150 |
| 1980s | 316 | 310 |
| 1990s | 885 | 870 |
| 2000s | 2,169 | 2,100 |
| 2010s | 1,768 | 1,800 |
| 2020s | 657 | 650 |
How many Heidys are still alive?
About 6,000 Heidys are alive in the US today. That's 98% of the roughly 6,100 babies named Heidy since 1955.
Nearly every Heidy ever born is still alive, because almost all of them are young.
What generation is the name Heidy?
About half of living Heidys are in Gen Z, born between 1997 and 2012.
- Boomer 1%
- Gen X 4%
- Millennial 14%
- Gen Z 54%
- Gen Alpha 27%
Is Heidy an old name?
Not really. Heidy is younger than 69 in 100 names on AgeByName.
Looking ahead: if babies keep getting the name at today's pace, the typical Heidy will be 37 in 2056, so the name is getting older.
Is Heidy a boy or girl name?
Almost entirely girls: over 99.9% of living Heidys are women.
Names the same age as Heidy
NAME TWIN
Heidy's name twin is Giancarlo. Of all 3,713 names on AgeByName, Giancarlo's age curve is the closest match to Heidy's: 91% alike.
Other spellings: Heidi (45)
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Questions about the name Heidy
How old is the average Heidy?
The average Heidy in the US is 21 years old. The median is 19, so half are older and half younger.
How many people are named Heidy?
About 6,000 Heidys are alive in the US today, out of roughly 6,100 babies given the name since 1955.
When was the name Heidy most popular?
In 2010, when about 340 baby girls were named Heidy.
Is Heidy a Gen Z name?
Yes. About 54% of living Heidys 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