How old is someone named Justine?
The average Justine is 39 years old.
Half of all living Justines are between 30 and 44.
When was Justine popular?
Parents have been choosing Justine less often since its peak in 1988; 40 babies got the name in 2025.
Popular names of 1988 · The most popular names of the 1980s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1900s | 273 | 0 |
| 1910s | 1,084 | 0 |
| 1920s | 1,793 | under 100 |
| 1930s | 1,243 | 270 |
| 1940s | 1,336 | 750 |
| 1950s | 1,375 | 1,100 |
| 1960s | 3,027 | 2,700 |
| 1970s | 2,991 | 2,800 |
| 1980s | 10,114 | 9,800 |
| 1990s | 11,598 | 11,000 |
| 2000s | 4,070 | 4,000 |
| 2010s | 1,238 | 1,200 |
| 2020s | 268 | 270 |
How many Justines are still alive?
About 34,000 Justines are alive in the US today. That's 84% of the roughly 41,000 babies named Justine since 1881.
Most Justines ever born are still alive.
What generation is the name Justine?
About half of living Justines are Millennials, born between 1981 and 1996.
Is Justine an old name?
Somewhat. Justine is older than 65 in 100 names on AgeByName, but younger than plenty of classics.
Is Justine a boy or girl name?
Mostly a girl's name: 93% of living Justines are women, and 7% are men.
The women average 39 and the men 36.
Names the same age as Justine
NAME TWIN
Justine's name twin is Cassandra. Of all 3,713 names on AgeByName, Cassandra's age curve is the closest match to Justine's: 89% alike.
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Questions about the name Justine
How old is the average Justine?
The average Justine in the US is 39 years old. The median is 37, so half are older and half younger.
How many people are named Justine?
About 34,000 Justines are alive in the US today, out of roughly 41,000 babies given the name since 1881.
When was the name Justine most popular?
In 1988, when about 1,800 baby girls were named Justine.
Is Justine a Millennial name?
Yes. About 54% of living Justines are Millennials, born between 1981 and 1996.
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