How Many People Are Named Isabel?
An estimated 100,162 people in the United States have the first name Isabel. It is predominantly female (98.6%). The average bearer is 26 years old, and Isabel peaked in popularity in 2006 with 4,019 births that year.
Below you will find a full statistical profile of Isabel 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 Isabel paired with any surname.
Key Insights
- While Isabel is overwhelmingly female, 1,827 male births have been registered with this name since 1880.
Estimated Living Americans
100,162
About 1 in 3,422 people in the U.S.
Rarity
Common
Predicted Gender
Female
98.6% confidence
Average Age
26
years old
Peak Year
2006
4,019 births
Total Registered
132,214
since 1880
Gender Distribution for Isabel
Isabel is predominantly female (98.6%), though 1,827 male births have been registered. It functions as a unisex name for a small percentage of bearers.
Isabel as a male name
Ranked #13,087 in 2022
5 male births in 2022
Peak: 1927 (40 births)
Isabel as a female name
Ranked #167 in 2024
1,820 female births in 2024
Peak: 2006 (4,009 births)
Isabel: Popularity Over Time
SSA records for Isabel span from the 1880s to the 2020s, covering 15 decades of naming data. The most popular decade for this name was the 2000s, when 36,121 babies were registered. Isabel has declined significantly from its peak in the 2000s. Recent registrations are a fraction of what they were at the name's height.
Isabel by Decade
How has Isabel 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 | 1,053 | 0 | 1,053 | |
| 1890s | 2,047 | 0 | 2,047 | |
| 1900s | 2,937 | 11 | 2,926 | |
| 1910s | 7,797 | 129 | 7,668 | |
| 1920s | 8,630 | 315 | 8,315 | |
| 1930s | 4,704 | 262 | 4,442 | |
| 1940s | 3,694 | 259 | 3,435 | |
| 1950s | 4,215 | 174 | 4,041 | |
| 1960s | 3,850 | 134 | 3,716 | |
| 1970s | 4,086 | 145 | 3,941 | |
| 1980s | 5,102 | 140 | 4,962 | |
| 1990s | 16,246 | 142 | 16,104 | |
| 2000s | 36,121 | 83 | 36,038 | |
| 2010s | 22,612 | 28 | 22,584 | |
| 2020s | 9,120 | 5 | 9,115 | |
Isabel by State
Birth registrations for Isabel span all 51 states and territories in the SSA database. The highest counts are in California, Texas, New York. The lowest are in Wyoming, Delaware, Vermont. On average, about 2,383 Isabels were registered per state.
Isabel + Last Name Combinations
How many people share a full name with Isabel as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Isabel
Other first names starting with I with a similar number of bearers.
Isabel: Questions and Answers
How many people in the U.S. are named Isabel?
We estimate approximately 100,162 people named Isabel 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 3,422 Americans share this first name.
Is Isabel a common name?
Isabel is classified as "Common" and is more popular than 99.5% of all first names in the SSA database. A total of 132,214 births have been registered with this name since 1880.
When was Isabel most popular?
Isabel reached peak popularity in 2006, when 4,019 babies were given this name. The average age of a living person named Isabel is approximately 26 years old, reflecting when the name was most commonly given.
Is Isabel a female name?
Isabel is predominantly female. 98.6% of people with this name are female. See the gender breakdown above for full details.
How many Isabel Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Isabel Smith, Isabel Johnson, Isabel 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.
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