Izaac
How to say it: eye-ZAK · /aɪˈzæk/
Modern respelling of Isaac meaning 'laughter' - Hebrew biblical name with a stylish Z spelling.
Izaac was the 1,288th most popular boys’ name in the United States in 2025, given to 44 babies (Social Security Administration). Its busiest decade was the 2010s, its births are down about 58% in ten years, and it is projected to slip to #1,520 by 2030.
Updated · SSA 2025 data, published May 2026 · Insee 2025 data, published July 2026 · How we compute these figures
Key facts
| Rank among boys’ names, 2025 | #1,288 |
|---|---|
| Babies born in 2025 | 44 |
| Share of births | 1 in 28,829 |
| Peak decade | 2010s |
| Change over 10 years | −58% |
| Projected rank for 2030 (estimate) | #1,520 |
| In France, 2025 | #282 among boys’ names, 45 births |
Sources: Social Security Administration (SSA), Insee (France). How we compute these figures.
Its life, decade by decade
Izaac is a newcomer: almost all of its history is from the last forty years.
What goes with it
Nicknames
- Iz
- Ike
- Zac
Honouring a Izaac in the family
In the classroom
In a class of 25 children born in 2025, the chance that another child is called Izaac is about under 1 in 200.
Around the world
This spelling is used in English, French, Hebrew.
In France: #282 for boys in 2025.
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