Given name
Izaac
“full of laughter”
Izaac is a variant of Isaac. One Hebrew interpretation is “full of laughter.”
Meaning & origin
What it means
Izaac is a variant of Isaac. One Hebrew interpretation is “full of laughter.”
Explained through its name family
Where it comes from
Izaac is a variant of Isaac. An origin associated with Isaac is Hebrew.
Explained through its name family
The story
Published U.S. birth records include this spelling as early as 1977. This is the earliest published observation available here, rather than a date for the name’s origin. Izaac is a variant of Isaac. The history of Isaac gives this family its wider story. In biblical tradition, Isaac is the name of the son of Abraham.
Combines direct and name-family evidence
Izaac through the years
- Babies since 1880
- 2,845
- 2,845 boys · 0 girls
- Most popular year
- 2009
- 151 babies
- 2025
- 44
- #2,856 for boys
- 2021–25 vs 2016–20
- −33%
- Easing
Where it’s given
By the numbers
In 2025, this name appeared in 44 U.S. birth records for boys, ranking No. 2,856 among boys’ names. Average annual use for boys was 32.6% lower in 2021–2025 than in 2016–2020. Its largest published annual count for boys was 151 in 2009. In 2025, California had the largest reported state-level birth count for boys with this name (14). Published U.S. population figures for this spelling include 2,077 as a first name in 2020.
From Social Security birth records and U.S. Census name counts for this exact spelling. Other spellings are counted separately.
Inner ring: nicknames and forms · outer: across languages.
Nicknames & forms 2
Diminutives, pet forms, short forms and variants used alongside the name.
Across languages 14
Equivalents and cognates in other languages, plus older forms it grew from.
People named Izaac
Listed by how widely each person is written about, which says nothing about the name itself.
Similar names
If you love Izaac, these share its style, era, origin or sound, from outside its own family.
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“encampment”
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“God is gracious”
80% boys · 20% girls
Nethaniah
“Yah has given”
>99% boys
Izayiah
>99% boys
Izah
>99% boys
Ishant
>99% boys