How Many People Are Named Jennessa?
An estimated 603 people in the United States have the first name Jennessa. It is almost exclusively a female name. The average bearer is 25 years old, and Jennessa peaked in popularity in 2006 with 35 births that year.
Below you will find a full statistical profile of Jennessa 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 Jennessa paired with any surname.
Estimated Living Americans
603
About 1 in 568,415 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
25
years old
Peak Year
2006
35 births
Total Registered
618
since 1880
Gender Distribution for Jennessa
Jennessa is almost exclusively a female name. Out of 618 total births registered, 100.0% were female.
Jennessa as a female name
Ranked #16,720 in 2018
5 female births in 2018
Peak: 2006 (35 births)
Jennessa: Popularity Over Time
SSA records for Jennessa span from the 1970s to the 2010s, covering 5 decades of naming data. The most popular decade for this name was the 2000s, when 241 babies were registered. While Jennessa is less common than at its peak in the 2000s, it remains a well-established name with steady registrations.
Jennessa by Decade
How has Jennessa 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.
Jennessa by State
Jennessa + Last Name Combinations
How many people share a full name with Jennessa as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Jennessa
Other first names starting with J with a similar number of bearers.
Jennessa: Questions and Answers
How many people in the U.S. are named Jennessa?
We estimate approximately 603 people named Jennessa 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 568,415 Americans share this first name.
Is Jennessa a common name?
Jennessa is classified as "Very Rare" and is more popular than 86.3% of all first names in the SSA database. A total of 618 births have been registered with this name since 1880.
When was Jennessa most popular?
Jennessa reached peak popularity in 2006, when 35 babies were given this name. The average age of a living person named Jennessa is approximately 25 years old, reflecting when the name was most commonly given.
Is Jennessa a female name?
Jennessa is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Jennessa Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Jennessa Smith, Jennessa Johnson, Jennessa 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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