Isai Boy
How popular is Isai?
#1,138 boy name in 2025
186 baby boys were named Isai in the US in 2025, making it the 1138th most popular boy name. Another 11 girls got the name (#8,858 for girls).
Isai popularity over time
Boys Girls
| Rank in 2025 | #1,138 for boys (▼ 76 from 2024) |
|---|---|
| Babies in 2025 | 186 boys, 11 girls |
| 10-year trend | Steady (-6% babies vs 2015) |
| Earlier ranks | #1,030 in 2015, #1,194 in 2020 |
| Peak year | 2007 (333 boys) |
| Highest rank | #700 in 2007 |
| First recorded | 1966 |
| Boys vs girls (last 10 years) | 99% boys, 1% girls |
| Chance a classmate shares it | 0.1% in a class of 25 kids born in 2025 |
Isai counting every spelling
Social Security counts each spelling as its own name. Adding together the spellings that sound alike, the Isai family of names ranked #535 for boys in 2025 (#536 the year before), with 544 babies in all.
Spellings are grouped by how they sound, using our own rules, so a few groupings may not match how your family says the name.
Where Isai is most popular
Babies named Isai per 1,000 boys born in each state, 2021 to 2025. Darker means more common.
- Texas: 0.3 per 1,000 (222 boys)
- Arizona: 0.2 per 1,000 (36 boys)
- Washington: 0.2 per 1,000 (34 boys)
- Colorado: 0.2 per 1,000 (26 boys)
- California: 0.2 per 1,000 (142 boys)
Isai by decade
| Decade | Baby boys | Best rank |
|---|---|---|
| 1960s | 6 | #3,536 |
| 1970s | 48 | #2,776 |
| 1980s | 352 | #1,158 |
| 1990s | 1,207 | #842 |
| 2000s | 2,622 | #700 |
| 2010s | 2,026 | #872 |
| 2020s | 1,079 | #1,062 |
Boy names about as popular as Isai
Questions
- Is Isai a boy or girl name?
- Isai is mostly a boy name. Over the last 10 years, 99% of babies named Isai were boys.
- How popular is the name Isai?
- 186 baby boys were named Isai in the US in 2025, making it the 1138th most popular boy name. Another 11 girls got the name (#8,858 for girls).
- When was Isai most popular?
- Isai peaked in 2007, when 333 boys were given the name. Its highest rank was #700 in 2007.
- How many people are named Isai?
- 7,385 babies have been named Isai in the US since 1880. We estimate about 7,272 of them are alive in 2026, with a median age of 18.
- Where is Isai most popular?
- From 2021 to 2025, Isai was most common in Texas, at 0.3 of every 1,000 boys born there.
Source: Social Security Administration baby name data, 1880 to 2025 (names given to at least 5 babies of a sex in a year). Living-people and median-age figures are our estimates using US life tables. How we calculate.