How Many People Are Named Isabellah?
An estimated 356 people in the United States have the first name Isabellah. It is almost exclusively a female name. The average bearer is 14 years old, and Isabellah peaked in popularity in 2011 with 33 births that year.
Below you will find a full statistical profile of Isabellah 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 Isabellah paired with any surname.
Estimated Living Americans
356
About 1 in 962,793 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
14
years old
Peak Year
2011
33 births
Total Registered
359
since 1880
Gender Distribution for Isabellah
Isabellah is almost exclusively a female name. Out of 359 total births registered, 100.0% were female.
Isabellah as a female name
Ranked #16,178 in 2024
5 female births in 2024
Peak: 2011 (33 births)
Isabellah: Popularity Over Time
SSA records for Isabellah span from the 2000s to the 2020s, covering 3 decades of naming data. The most popular decade for this name was the 2010s, when 205 babies were registered. Isabellah has declined significantly from its peak in the 2010s. Recent registrations are a fraction of what they were at the name's height.
Isabellah by Decade
How has Isabellah 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.
Isabellah by State
Birth registrations for Isabellah span all 3 states and territories in the SSA database. The highest counts are in Texas, California, Florida. The lowest are in Florida, California, Texas. On average, about 7 Isabellahs were registered per state.
Isabellah + Last Name Combinations
How many people share a full name with Isabellah as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Isabellah
Other first names starting with I with a similar number of bearers.
Isabellah: Questions and Answers
How many people in the U.S. are named Isabellah?
We estimate approximately 356 people named Isabellah 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 962,793 Americans share this first name.
Is Isabellah a common name?
Isabellah is classified as "Very Rare" and is more popular than 81.1% of all first names in the SSA database. A total of 359 births have been registered with this name since 1880.
When was Isabellah most popular?
Isabellah reached peak popularity in 2011, when 33 babies were given this name. The average age of a living person named Isabellah is approximately 14 years old, reflecting when the name was most commonly given.
Is Isabellah a female name?
Isabellah is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Isabellah Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Isabellah Smith, Isabellah Johnson, Isabellah 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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