How Many People Are Named Janessa?
An estimated 14,244 people in the United States have the first name Janessa. It is almost exclusively a female name. The average bearer is 23 years old, and Janessa peaked in popularity in 2009 with 556 births that year.
Below you will find a full statistical profile of Janessa 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 Janessa paired with any surname.
Estimated Living Americans
14,244
About 1 in 24,063 people in the U.S.
Rarity
Uncommon
Predicted Gender
Female
100.0% confidence
Average Age
23
years old
Peak Year
2009
556 births
Total Registered
14,601
since 1880
Gender Distribution for Janessa
Janessa is almost exclusively a female name. Out of 14,601 total births registered, 100.0% were female.
Janessa as a female name
Ranked #1,575 in 2024
134 female births in 2024
Peak: 2009 (556 births)
Janessa: Popularity Over Time
SSA records for Janessa span from the 1950s to the 2020s, covering 8 decades of naming data. The most popular decade for this name was the 2000s, when 4,712 babies were registered. Janessa has declined significantly from its peak in the 2000s. Recent registrations are a fraction of what they were at the name's height.
Janessa by Decade
How has Janessa 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.
Janessa by State
Birth registrations for Janessa span all 44 states and territories in the SSA database. The highest counts are in California, Texas, Florida. The lowest are in South Carolina, Louisiana, Alabama. On average, about 268 Janessas were registered per state.
Janessa + Last Name Combinations
How many people share a full name with Janessa as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Janessa
Other first names starting with J with a similar number of bearers.
Janessa: Questions and Answers
How many people in the U.S. are named Janessa?
We estimate approximately 14,244 people named Janessa 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 24,063 Americans share this first name.
Is Janessa a common name?
Janessa is classified as "Uncommon" and is more popular than 98.2% of all first names in the SSA database. A total of 14,601 births have been registered with this name since 1880.
When was Janessa most popular?
Janessa reached peak popularity in 2009, when 556 babies were given this name. The average age of a living person named Janessa is approximately 23 years old, reflecting when the name was most commonly given.
Is Janessa a female name?
Janessa is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Janessa Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Janessa Smith, Janessa Johnson, Janessa 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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