boy's name
Isac
ee-ZAK (French)
- Origin Hebrew
- Gender Boy
- Syllables 2
- Letters 4
- Popularity Uncommon
- Births on record 4,190
France
#697
2025 births
Isac is a boy's name with 2 syllables. In 2025 it was given to 22 babies in the United States. It is used consistently but remains uncommon.
- Isac is a name of Hebrew origin.
- Peaked in 2006, when 148 babies were given the name.
- It has been falling over the past decade.
- Today about 1 in 150,716 babies in the United States is given this name.
- First appears in US birth records in 1884.
- 2 syllables, with the stress on syllable 2.
Isac Over Time
Births per decade in the United States, 1880s to 2020s. The striped bar is the 2020s, which so far covers 2020 to 2025.
Show the numbers
| Decade | Births |
|---|---|
| 1880s | 5 |
| 1890s | 11 |
| 1900s | 33 |
| 1910s | 132 |
| 1920s | 145 |
| 1930s | 81 |
| 1940s | 22 |
| 1950s | 12 |
| 1960s | 21 |
| 1970s | 61 |
| 1980s | 192 |
| 1990s | 543 |
| 2000s | 1,210 |
| 2010s | 577 |
| 2020s (to 2025) | 158 |
How Popular Is Isac?
In 2025, Isac was given to 22 babies in the United States. It is used consistently but remains uncommon.
Where Isac Is Used
US figures omit any name given to fewer than five babies in a year, so the rarest names are absent from the source rather than absent from use. Data & sources.
Names That Peaked Alongside Isac
These names rose and fell in the same era, which is why they tend to sound like they belong together.
Parents Who Like Isac Also Like
Names whose popularity has risen and fallen in step with Isac over the last century — the same taste, a different name.
How to Say Isac
- French ee-ZAK
Sibling Names for Isac
Names from the same era that do not rhyme or share an initial with Isac — the two things that make a sibling set grate.
Common Questions About Isac
How popular is the name Isac?
In 2025, Isac was given to 22 babies in the United States. It is used consistently but remains uncommon.
Is Isac a girl's or a boy's name?
Isac is given almost entirely to boys in birth records.
How many syllables are in Isac?
Isac has 2 syllables.
When was Isac most popular?
Isac peaked in 2006, when 148 babies were given the name. It has been falling over the past decade.
Is Isac a good name?
That is not something records can settle, but they can tell you what you would be choosing. Isac currently ranks #697 in the United States. It has been falling over the past decade. Everything else — how it sounds with your surname, who it reminds you of — is yours.