Isadore
A non-standard variant of Isidore, possibly inspired by the well-known feminine variant Isadora of Isidora.
Every Isadore since 1880 — 5,909 of them. Popularity, births, and rankings for each year, from official Social Security records.
The story of Isadore
Isadore is rare for boys in the United States, ranked #5,963 in 2025 with 15 babies given the name. It is currently rising compared with a decade ago.
Since 1880, 5,909 American babies have been named Isadore. Its peak came in 1916, when 285 newborns received the name — the signature sound of the 1910s.
The chart above shows the full history: the popularity view (births per 1,000 babies) is the honest comparison across generations, since total US births have changed enormously since 1880. Switch to the rank view to see where Isadore stood among all boys' names in any year, or use the compare tool to plot it against other names.
Isadore year by year
Every year since 2001, and five-year steps back to 1880. Rank is within each sex.
| Year | Girls | Girls rank | Boys | Boys rank |
|---|---|---|---|---|
| 2025 | — | — | 15 | #5,963 |
| 2024 | 8 | #11,510 | 9 | #8,599 |
| 2023 | — | — | 10 | #7,937 |
| 2022 | — | — | 12 | #6,981 |
| 2021 | 5 | #16,198 | 19 | #5,000 |
| 2020 | 8 | #11,493 | 19 | #4,928 |
| 2019 | — | — | 15 | #5,930 |
| 2018 | 5 | #16,620 | 10 | #7,818 |
| 2017 | 7 | #13,260 | 13 | #6,457 |
| 2016 | — | — | 13 | #6,492 |
| 2015 | 6 | #15,230 | 10 | #7,704 |
| 2014 | 9 | #11,342 | 10 | #7,783 |
| 2013 | — | — | 9 | #8,368 |
| 2012 | — | — | — | — |
| 2011 | — | — | 7 | #10,024 |
| 2010 | — | — | 8 | #9,114 |
| 2009 | — | — | 9 | #8,566 |
| 2008 | — | — | 14 | #6,202 |
| 2007 | — | — | 9 | #8,462 |
| 2006 | — | — | 8 | #9,032 |
| 2005 | — | — | 9 | #7,891 |
| 2004 | — | — | 8 | #8,432 |
| 2003 | — | — | 9 | #7,482 |
| 2002 | — | — | 12 | #5,858 |
| 2001 | — | — | 6 | #9,735 |
| 2000 | — | — | 8 | #7,731 |
| 1995 | — | — | — | — |
| 1990 | — | — | 9 | #5,547 |
| 1985 | — | — | 7 | #5,388 |
| 1980 | — | — | 11 | #3,712 |
| 1975 | — | — | 11 | #3,322 |
| 1970 | — | — | 16 | #2,339 |
| 1965 | — | — | 16 | #2,030 |
| 1960 | — | — | 18 | #1,941 |
| 1955 | — | — | 30 | #1,407 |
| 1950 | — | — | 24 | #1,516 |
| 1945 | — | — | 31 | #1,192 |
| 1940 | — | — | 33 | #1,169 |
| 1935 | — | — | 57 | #825 |
| 1930 | — | — | 60 | #849 |
| 1925 | 10 | #3,221 | 141 | #513 |
| 1920 | — | — | 198 | #426 |
| 1915 | 12 | #2,462 | 265 | #322 |
| 1910 | — | — | 54 | #342 |
| 1905 | — | — | 21 | #499 |
| 1900 | — | — | 24 | #474 |
| 1895 | — | — | 19 | #464 |
| 1890 | — | — | 14 | #522 |
| 1885 | 5 | #1,115 | 10 | #622 |
| 1880 | — | — | 9 | #658 |
Famous people named Isadore
- Isadore Singer Mathematician · b. 1924
Ranked by global fame across Wikipedia editions (Pantheon project, MIT).
Frequently asked questions
What does the name Isadore mean?
A non-standard variant of Isidore, possibly inspired by the well-known feminine variant Isadora of Isidora.
How popular is the name Isadore in 2025?
Isadore ranked #5,963 among boys' names in the United States in 2025, with 15 babies given the name, according to Social Security Administration data.
How many people are named Isadore?
5,909 babies have been named Isadore in the United States since 1880, based on Social Security card applications.
When was the name Isadore most popular?
Isadore peaked in 1916, when 285 newborns received the name.
Is Isadore a boy or girl name?
Isadore is overwhelmingly a boy's name — 97% of babies with the name.
Is the name Isadore rising or falling?
Isadore is on the rise — noticeably more popular now than a decade ago.
Who are famous people named Isadore?
Well-known people named Isadore include Isadore Singer (mathematician).