Isadore
Isadore was the 5963rd most popular name for boys in 2025, given to 15 babies. Its best year was 1913, when it ranked 274th; the most babies were born in 1916 (273). Over the last ten years it has moved up 1,741 places. More babies were named Isadore in the 1910s than in any other decade.
Meaning Not yet researched how we research meanings
- Rank in 2025
- #5,963 boys, down 1,035 places since 2020
- Babies in 2025
- 15boys
- Girls and boys
- 17% girls, 83% boys2021–2025
- Peak year
- 1916273 babies
- Total since 1880
- 5,909babies recorded
Isadore popularity since 1880
| Year | Rank (girls) | Rank (boys) | Babies (girls) | Babies (boys) |
|---|---|---|---|---|
| 2025 | — | #5,963 | — | 15 |
| 2020 | #11,493 | #4,928 | 8 | 19 |
| 2010 | — | #9,114 | — | 8 |
| 2000 | — | #7,731 | — | 8 |
| 1990 | — | #5,547 | — | 9 |
| 1980 | — | #3,712 | — | 11 |
| 1970 | — | #2,339 | — | 16 |
| 1960 | — | #1,941 | — | 18 |
| 1950 | — | #1,516 | — | 24 |
| 1940 | — | #1,169 | — | 33 |
| 1930 | — | #849 | — | 60 |
| 1920 | — | #426 | — | 198 |
| 1910 | — | #342 | — | 54 |
| 1900 | — | #474 | — | 24 |
| 1890 | — | #522 | — | 14 |
| 1880 | — | #658 | — | 9 |
How popular is Isadore, counting every spelling?
Isadore is the most common spelling of a name family that had 15 boys in 2025 across its spellings. Together these spellings went to 15 boys in 2025.
| Spelling | Babies 2025 | Official rank | Babies 2021–2025 |
|---|---|---|---|
| Isadore | 15 | #5,963 | 65 |
Spellings count together when they sound the same in American English and are used for the same sex; nicknames and forms that sound different (such as Theo and Theodore) are kept apart. How we group spellings.
How many kids will share the name Isadore?
15 of the 3,606,400 babies born in the US in 2025 were named Isadore (0.00 per 1,000 births). For a boy named Isadore born in 2025, the chance that another child with the same name is in a class of 20 children the same age is under 1 in 50. If every grade liked the name as much as the 2025 babies do, only about one elementary school in 554 (of 430 pupils) would have a child named Isadore.
Shares of all registered births (NCHS); classes assumed to be children born the same year. How we estimate this.
How old are people named Isadore?
About 1,000 people born in the US named Isadore are alive today, with a median age of 54; half are between 26 and 71. That makes Isadore mostly worn by adults in their thirties to fifties. The wide spread shows a name popular in two different eras.
Babies given the name each year (SSA) times the share of that birth year still alive (SSA life tables). Counts people born in the US only. Method.
Names with a similar history
These names rose and fell in step with Isadore: their share of US boys followed the most similar curve since 1880. If you like Isadore, they share its era and feel.
Questions about the name Isadore
How popular is the name Isadore?
Isadore was the 5963rd most popular name for boys in 2025, given to 15 babies. Its best year was 1913, when it ranked 274th; the most babies were born in 1916 (273). Over the last ten years it has moved up 1,741 places. More babies were named Isadore in the 1910s than in any other decade.
Is Isadore a boy or girl name?
In 2021–2025, 17% girls, 83% boys given the name Isadore in the US.