How Many People Are Named Isadore?
people named Isadore are alive in the United States today (estimate)
About 1 in 306,258 people in the US has this name
Based on 5,909 babies named Isadore in Social Security records from 1880 to 2025, and the share of each birth year still alive in 2025.
Popularity Rank
💎💎 Very Rare
Peak Year
285 births
Trend
Stable (last 10 years)
📖 Name Origin & Meaning
Meaning:
Variant of ISIDORE.
Source of the meaning, origin, pronunciation and related names: Behind the Name.
⚧ Gender Distribution
Of the babies given the name Isadore, 4.3% were girls and 95.7% were boys. The share has stayed close to this since the 1880s: 10.6% of the babies were girls then and 20% in the 2020s.
👥 Age Distribution
The average person named Isadore alive today is about 47 years old, and 42% are 60 or older. Half of them were between 21 and 71 in 2025.
📈 Popularity Over Time
Isadore first appears in the records in 1880 and was given most often in 1916, to 285 babies. In 2025, 15 babies got the name.
Babies given the name each year, 1880 to 2025
🏆 Rank History
Isadore has never been one of the 100 most popular boys' names. Its best rank was #274, in 1913. In 2025 it ranked #5,960.
| Boys | |
|---|---|
| Rank in 2025 | #5,960 |
| Best rank | #274 (1913) |
| Years in the top 100 | None |
| Rank in its biggest decade | #328 in the 1910s |
📍 State-Wise Distribution
People named Isadore alive today, by the state where they were born (estimate; state records start in 1910).
More people named Isadore were born in Louisiana than in any other state: about 21 of those alive today. Compared with the national rate in the same years, Isadore was given 2.8 times as often in Pennsylvania, 2.5 times in New York and 2.3 times in New Jersey.
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