Isa Boy & girl
How popular is Isa?
#929 boy name in 2025
253 baby boys were named Isa in the US in 2025, making it the 929th most popular boy name. Another 119 girls got the name (#1,710 for girls).
Isa popularity over time
Boys Girls
| Rank in 2025 | #929 for boys (▲ 94 from 2024) |
|---|---|
| Babies in 2025 | 253 boys, 119 girls |
| 10-year trend | Rising fast (+126% babies vs 2015) |
| Earlier ranks | #1,481 in 2015, #1,297 in 2020 |
| Peak year | 2025 (253 boys) |
| Highest rank | #929 in 2025 |
| First recorded | 1915 |
| Boys vs girls (last 10 years) | 62% boys, 38% girls |
| Chance a classmate shares it | 0.3% in a class of 25 kids born in 2025 |
Isa 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 Isa is most popular
Babies named Isa per 1,000 boys born in each state, 2021 to 2025. Darker means more common.
- Illinois: 0.4 per 1,000 (99 boys)
- New Jersey: 0.3 per 1,000 (60 boys)
- New York: 0.3 per 1,000 (111 boys)
- Maryland: 0.2 per 1,000 (26 boys)
- Virginia: 0.2 per 1,000 (39 boys)
Isa by decade
| Decade | Baby boys | Best rank |
|---|---|---|
| 1910s | 6 | #3,391 |
| 1920s | 5 | #4,195 |
| 1960s | 12 | #3,600 |
| 1970s | 90 | #2,798 |
| 1980s | 148 | #2,535 |
| 1990s | 226 | #2,159 |
| 2000s | 547 | #1,872 |
| 2010s | 1,049 | #1,373 |
| 2020s | 1,059 | #929 |
Boy names about as popular as Isa
Questions
- Is Isa a boy or girl name?
- Isa is used for both. Over the last 10 years, 62% of babies named Isa were boys and 38% were girls.
- How popular is the name Isa?
- 253 baby boys were named Isa in the US in 2025, making it the 929th most popular boy name. Another 119 girls got the name (#1,710 for girls).
- When was Isa most popular?
- Isa peaked in 2025, when 253 boys were given the name. Its highest rank was #929 in 2025.
- How many people are named Isa?
- 6,575 babies have been named Isa in the US since 1880. We estimate about 5,631 of them are alive in 2026, with a median age of 12.
- Where is Isa most popular?
- From 2021 to 2025, Isa was most common in Illinois, at 0.4 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.