How Many People Are Named Isa?
An estimated 5,191 people in the United States have the first name Isa. It is used for both genders, with 53.5% female. The average bearer is 19 years old, and Isa peaked in popularity in 2024 with 316 births that year.
Below you will find a full statistical profile of Isa 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 Isa paired with any surname.
Key Insights
- Isa is a genuinely unisex name, given to both boys and girls in roughly equal numbers.
Estimated Living Americans
5,191
About 1 in 66,029 people in the U.S.
Rarity
Rare
Predicted Gender
Female
53.5% confidence
Average Age
19
years old
Peak Year
2024
316 births
Total Registered
6,197
since 1880
Gender Distribution for Isa
Isa is a genuinely unisex name, used for both males (46.5%) and females (53.5%). Out of 6,197 total births registered, 2,883 were male and 3,314 were female.
Isa as a male name
Ranked #1,029 in 2024
216 male births in 2024
Peak: 2024 (216 births)
Isa as a female name
Ranked #1,968 in 2024
100 female births in 2024
Peak: 2018 (103 births)
Isa: Popularity Over Time
SSA records for Isa span from the 1880s to the 2020s, covering 15 decades of naming data. The most popular decade for this name was the 2010s, when 1,820 babies were registered. While Isa is less common than at its peak in the 2010s, it remains a well-established name with steady registrations.
Isa by Decade
How has Isa 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.
Isa by State
Birth registrations for Isa span all 20 states and territories in the SSA database. The highest counts are in California, New York, Texas. The lowest are in Oregon, Minnesota, Kentucky. On average, about 122 Isas were registered per state.
Isa + Last Name Combinations
How many people share a full name with Isa as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Isa
Other first names starting with I with a similar number of bearers.
Isa: Questions and Answers
How many people in the U.S. are named Isa?
We estimate approximately 5,191 people named Isa 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 66,029 Americans share this first name.
Is Isa a common name?
Isa is classified as "Rare" and is more popular than 96.6% of all first names in the SSA database. A total of 6,197 births have been registered with this name since 1880.
When was Isa most popular?
Isa reached peak popularity in 2024, when 316 babies were given this name. The average age of a living person named Isa is approximately 19 years old, reflecting when the name was most commonly given.
Is Isa a female name?
Isa is predominantly female. 53.5% of people with this name are female. See the gender breakdown above for full details.
How many Isa Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Isa Smith, Isa Johnson, Isa 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