How Many People Are Named Isabelle?
An estimated 81,744 people in the United States have the first name Isabelle. It is almost exclusively a female name. The average bearer is 19 years old, and Isabelle peaked in popularity in 2007 with 4,105 births that year.
Below you will find a full statistical profile of Isabelle as a first name in the United States, including gender data, a year-by-year popularity timeline going back to 1880, a decade breakdown, and state-by-state birth registrations. You can also check how many people share the full name Isabelle paired with any surname.
Estimated Living Americans
81,744
About 1 in 4,193 people in the U.S.
Rarity
Uncommon
Predicted Gender
Female
100.0% confidence
Average Age
19
years old
Peak Year
2007
4,105 births
Total Registered
105,938
since 1880
Gender Distribution for Isabelle
Isabelle is almost exclusively a female name. Out of 105,938 total births registered, 100.0% were female.
Isabelle as a male name
Ranked #13,296 in 2008
5 male births in 2008
Peak: 2004 (9 births)
Isabelle as a female name
Ranked #170 in 2024
1,778 female births in 2024
Peak: 2007 (4,105 births)
Isabelle: Popularity Over Time
SSA records for Isabelle span from the 1880s to the 2020s, covering 15 decades of naming data. The most popular decade for this name was the 2000s, when 32,888 babies were registered. While Isabelle is less common than at its peak in the 2000s, it remains a well-established name with steady registrations.
Isabelle by Decade
How has Isabelle tracked across different eras? The table below groups all SSA birth registrations into 10-year periods, with separate male and female counts. The colored bar shows each decade's share relative to the peak.
| Decade | Total | Male | Female | |
|---|---|---|---|---|
| 1880s | 1,092 | 0 | 1,092 | |
| 1890s | 1,890 | 0 | 1,890 | |
| 1900s | 2,514 | 0 | 2,514 | |
| 1910s | 7,255 | 0 | 7,255 | |
| 1920s | 6,964 | 0 | 6,964 | |
| 1930s | 2,761 | 0 | 2,761 | |
| 1940s | 1,470 | 0 | 1,470 | |
| 1950s | 1,028 | 0 | 1,028 | |
| 1960s | 818 | 0 | 818 | |
| 1970s | 465 | 0 | 465 | |
| 1980s | 693 | 0 | 693 | |
| 1990s | 7,276 | 0 | 7,276 | |
| 2000s | 32,888 | 20 | 32,868 | |
| 2010s | 28,503 | 0 | 28,503 | |
| 2020s | 10,321 | 0 | 10,321 | |
Isabelle by State
Birth registrations for Isabelle span all 51 states and territories in the SSA database. The highest counts are in California, New York, Texas. The lowest are in Wyoming, Delaware, Alaska. On average, about 1,895 Isabelles were registered per state.
Isabelle + Last Name Combinations
How many people share a full name with Isabelle as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Isabelle
Other first names starting with I with a similar number of bearers.
Isabelle: Questions and Answers
How many people in the U.S. are named Isabelle?
We estimate approximately 81,744 people named Isabelle are alive in the United States today. This is based on SSA birth records from 1880 to 2024, adjusted for mortality using CDC life tables. About 1 in 4,193 Americans share this first name.
Is Isabelle a common name?
Isabelle is classified as "Uncommon" and is more popular than 99.4% of all first names in the SSA database. A total of 105,938 births have been registered with this name since 1880.
When was Isabelle most popular?
Isabelle reached peak popularity in 2007, when 4,105 babies were given this name. The average age of a living person named Isabelle is approximately 19 years old, reflecting when the name was most commonly given.
Is Isabelle a female name?
Isabelle is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Isabelle Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Isabelle Smith, Isabelle Johnson, Isabelle Williams. You can also search any combination on our homepage.
Where does this data come from?
Our estimates use Social Security Administration birth records (1880 to 2024), adjusted for survival using CDC 2023 life tables broken down by sex. The U.S. population figure (342,754,338) is from the Census Bureau's July 2025 estimate. Full methodology.
Search for a full name combination
How Many of Me