What Does the Name Isaac Mean?
Isaac is a boy's name of Hebrew origin meaning “he will laugh.”
Updated June 2026
| Name | Isaac |
|---|---|
| Gender | male |
| Origin | Hebrew |
| Meaning | he will laugh |
| Variants | Izaak, Isaak, Isac, Ike |
| Popularity | A US top 40 boys' name through the 2000s-2010s. |
The meaning and origin of Isaac
The name Isaac means “he will laugh” and has Hebrew origins. From the Hebrew Yitzhaq (he laughs), referring to Sarah's laughter at being told she would bear a son in old age. The biblical patriarch was the son of Abraham and father of Jacob.
Variants and related names
Isaac is related to several other names you may recognize: Izaak, Isaak, Isac, Ike. These share a common root or are spelling and language variants of the same name.
How popular is the name Isaac?
A US top 40 boys' name through the 2000s-2010s.
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Open the name generator →Frequently asked questions
What does the name Isaac mean?+
The name Isaac means “he will laugh” and is of Hebrew origin.
What is the origin of the name Isaac?+
Isaac originates from Hebrew.
Is Isaac a popular name?+
Yes — see the popularity note above for how Isaac has trended in the US over time.
Isaac by gender
More boy's names
Sources
- Behind the Name — Etymology and history of first names — Behind the Name
- US Social Security Administration — Popular baby names by year — Social Security Administration
- A Dictionary of First Names — Oxford Reference — Oxford University Press