Isadore Boy
How popular is Isadore?
#5,859 boy name in 2025
15 baby boys were named Isadore in the US in 2025, making it the 5859th most popular boy name.
1,160living people named Isadore (est.)
55median age of people named Isadore
5,909babies named Isadore since 1880
1 in 221,023US babies born in 2025
Isadore popularity over time
Boys Girls
| Rank in 2025 | #5,859 for boys (▲ 2448 from 2024) |
|---|---|
| Babies in 2025 | 15 boys |
| 10-year trend | Rising fast (+50% babies vs 2015) |
| Earlier ranks | #7,486 in 2015, #4,851 in 2020 |
| Peak year | 1916 (273 boys) |
| Highest rank | #273 in 1913 |
| First recorded | 1880 |
| Boys vs girls (last 10 years) | 80% boys, 20% girls |
| Chance a classmate shares it | 0.0% in a class of 25 kids born in 2025 |
Isadore by decade
| Decade | Baby boys | Best rank |
|---|---|---|
| 1880s | 93 | #516 |
| 1890s | 174 | #371 |
| 1900s | 350 | #286 |
| 1910s | 1,980 | #273 |
| 1920s | 1,364 | #417 |
| 1930s | 443 | #785 |
| 1940s | 295 | #1,040 |
| 1950s | 271 | #1,194 |
| 1960s | 170 | #1,584 |
| 1970s | 131 | #2,292 |
| 1980s | 90 | #3,599 |
| 1990s | 82 | #4,752 |
| 2000s | 92 | #5,718 |
| 2010s | 95 | #5,808 |
| 2020s | 84 | #4,851 |
Boy names about as popular as Isadore
Questions
- Is Isadore a boy or girl name?
- Isadore is mostly a boy name. Over the last 10 years, 80% of babies named Isadore were boys.
- How popular is the name Isadore?
- 15 baby boys were named Isadore in the US in 2025, making it the 5859th most popular boy name.
- When was Isadore most popular?
- Isadore peaked in 1916, when 273 boys were given the name. Its highest rank was #273 in 1913.
- How many people are named Isadore?
- 5,909 babies have been named Isadore in the US since 1880. We estimate about 1,160 of them are alive in 2026, with a median age of 55.
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.