How old is someone named Issac?
The average Issac is 25 years old.
Half of all living Issacs are between 13 and 32.
When was Issac popular?
Issac is a steady name: popular for generations, with a peak in 2008 but no single era. You'll meet Issacs of every age.
Popular names of 2008 · The most popular names of the 2000s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1900s | 109 | 0 |
| 1910s | 371 | 0 |
| 1920s | 555 | 0 |
| 1930s | 501 | under 100 |
| 1940s | 562 | 250 |
| 1950s | 731 | 480 |
| 1960s | 608 | 490 |
| 1970s | 1,339 | 1,200 |
| 1980s | 1,863 | 1,700 |
| 1990s | 3,495 | 3,400 |
| 2000s | 6,790 | 6,700 |
| 2010s | 5,305 | 5,300 |
| 2020s | 2,106 | 2,100 |
How many Issacs are still alive?
About 22,000 Issacs are alive in the US today. That's 88% of the roughly 25,000 babies named Issac since 1880.
Most Issacs ever born are still alive.
What generation is the name Issac?
About half of living Issacs are in Gen Z, born between 1997 and 2012.
Is Issac an old name?
Not really. Issac is younger than 59 in 100 names on AgeByName.
Looking ahead: if babies keep getting the name at today's pace, the typical Issac will be 40 in 2056, so the name is getting older.
Is Issac a boy or girl name?
Almost entirely boys: 99.9% of living Issacs are men.
Names the same age as Issac
NAME TWIN
Issac's name twin is Gabriel. Of all 3,713 names on AgeByName, Gabriel's age curve is the closest match to Issac's: 93% alike.
Other spellings: Isaac (21)
Compare: Isaac vs. Issac
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Questions about the name Issac
How old is the average Issac?
The average Issac in the US is 25 years old. The median is 21, so half are older and half younger.
How many people are named Issac?
About 22,000 Issacs are alive in the US today, out of roughly 25,000 babies given the name since 1880.
When was the name Issac most popular?
In 2008, when about 820 baby boys were named Issac.
Is Issac a Gen Z name?
Partly. Gen Z are the largest group, about 46% of living Issacs, 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