Isaïa
How to say it: ee-za-YA · /izaˈja/
French form of Isaiah, Hebrew 'God is salvation' - biblical prophet name with diaeresis.
Isaïa was the 60th most popular boys’ name in the United States in 2025, given to 7 babies (Social Security Administration). Its busiest decade was the 2000s, its births are down about 30% in ten years, and it is projected to slip to #74 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 | #60 |
|---|---|
| Babies born in 2025 | 7 |
| Share of births | 1 in 567 |
| Peak decade | 2000s |
| Change over 10 years | −30% |
| Projected rank for 2030 (estimate) | #74 |
| In France, 2025 | #83 among boys’ names, 100 births |
Sources: Social Security Administration (SSA), Insee (France). How we compute these figures.
Its life, decade by decade
Isaïa is a newcomer: almost all of its history is from the last forty years.
What goes with it
Nicknames
- Isa
- Sai
Honouring a Isaïa in the family
In the classroom
In a class of 25 children born in 2025, the chance that another child is called Isaïa is about 1 in 24.
Around the world
This spelling is used in English, French, Hebrew, Italian.
In France: #83 for boys in 2025.
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