How old is someone named Hallie?
The average Hallie is 21 years old.
Half of all living Hallies are between 5 and 29.
When was Hallie popular?
Hallie was popular around 1895, faded for decades, and is back: 2,260 babies got the name in 2025.
Popular names of 2025 · The most popular names of the 2020s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1900s | 1,496 | 0 |
| 1910s | 2,461 | 0 |
| 1920s | 2,323 | under 100 |
| 1930s | 1,243 | 230 |
| 1940s | 844 | 460 |
| 1950s | 662 | 510 |
| 1960s | 665 | 580 |
| 1970s | 1,088 | 1,000 |
| 1980s | 1,829 | 1,800 |
| 1990s | 4,750 | 4,700 |
| 2000s | 7,379 | 7,300 |
| 2010s | 5,781 | 5,700 |
| 2020s | 8,971 | 8,900 |
How many Hallies are still alive?
About 31,000 Hallies are alive in the US today. That's 75% of the roughly 42,000 babies named Hallie since 1880.
Most Hallies ever born are still alive.
What generation is the name Hallie?
About two in five living Hallies are in Gen Alpha, born in 2013 or later.
Is Hallie an old name?
Not really. Hallie is younger than 68 in 100 names on AgeByName.
Looking ahead: if babies keep getting the name at today's pace, the typical Hallie will be 26 in 2056, so the name is aging slowly.
Is Hallie a boy or girl name?
Almost entirely girls: 99.3% of living Hallies are women.
Names the same age as Hallie
NAME TWIN
Hallie's name twin is Emilio. Of all 3,713 names on AgeByName, Emilio's age curve is the closest match to Hallie's: 87% alike.
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Questions about the name Hallie
How old is the average Hallie?
The average Hallie in the US is 21 years old. The median is 18, so half are older and half younger.
How many people are named Hallie?
About 31,000 Hallies are alive in the US today, out of roughly 42,000 babies given the name since 1880.
When was the name Hallie most popular?
In 2025, when about 2,300 baby girls were named Hallie.
Is Hallie a Gen Alpha name?
Partly. Gen Alpha are the largest group, about 42% of living Hallies, 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