How Many People Are Named Isabelly?
An estimated 135 people in the United States have the first name Isabelly. It is almost exclusively a female name. The average bearer is 10 years old, and Isabelly peaked in popularity in 2007 with 16 births that year.
Below you will find a full statistical profile of Isabelly 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 Isabelly paired with any surname.
Estimated Living Americans
135
About 1 in 2,538,921 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
10
years old
Peak Year
2007
16 births
Total Registered
136
since 1880
Gender Distribution for Isabelly
Isabelly is almost exclusively a female name. Out of 136 total births registered, 100.0% were female.
Isabelly as a female name
Ranked #8,115 in 2024
13 female births in 2024
Peak: 2007 (16 births)
Isabelly: Popularity Over Time
SSA records for Isabelly span from the 2000s to the 2020s, covering 3 decades of naming data. The most popular decade for this name was the 2010s, when 50 babies were registered. Isabelly remains highly popular today, with recent registration numbers near its historical peak.
Isabelly by Decade
How has Isabelly 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.
Isabelly by State
Isabelly + Last Name Combinations
How many people share a full name with Isabelly as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Isabelly
Other first names starting with I with a similar number of bearers.
Isabelly: Questions and Answers
How many people in the U.S. are named Isabelly?
We estimate approximately 135 people named Isabelly 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 2,538,921 Americans share this first name.
Is Isabelly a common name?
Isabelly is classified as "Very Rare" and is more popular than 68.8% of all first names in the SSA database. A total of 136 births have been registered with this name since 1880.
When was Isabelly most popular?
Isabelly reached peak popularity in 2007, when 16 babies were given this name. The average age of a living person named Isabelly is approximately 10 years old, reflecting when the name was most commonly given.
Is Isabelly a female name?
Isabelly is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Isabelly Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Isabelly Smith, Isabelly Johnson, Isabelly 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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