How Many People Are Named Henessy?
An estimated 160 people in the United States have the first name Henessy. It is almost exclusively a female name. The average bearer is 19 years old, and Henessy peaked in popularity in 2005 with 19 births that year.
Below you will find a full statistical profile of Henessy 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 Henessy paired with any surname.
Estimated Living Americans
160
About 1 in 2,142,215 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
19
years old
Peak Year
2005
19 births
Total Registered
162
since 1880
Gender Distribution for Henessy
Henessy is almost exclusively a female name. Out of 162 total births registered, 100.0% were female.
Henessy as a female name
Ranked #16,433 in 2019
5 female births in 2019
Peak: 2005 (19 births)
Henessy: Popularity Over Time
SSA records for Henessy span from the 1990s to the 2010s, covering 3 decades of naming data. The most popular decade for this name was the 2000s, when 88 babies were registered. While Henessy is less common than at its peak in the 2000s, it remains a well-established name with steady registrations.
Henessy by Decade
How has Henessy 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.
Henessy by State
Henessy + Last Name Combinations
How many people share a full name with Henessy as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Henessy
Other first names starting with H with a similar number of bearers.
Henessy: Questions and Answers
How many people in the U.S. are named Henessy?
We estimate approximately 160 people named Henessy 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 2,142,215 Americans share this first name.
Is Henessy a common name?
Henessy is classified as "Very Rare" and is more popular than 71.2% of all first names in the SSA database. A total of 162 births have been registered with this name since 1880.
When was Henessy most popular?
Henessy reached peak popularity in 2005, when 19 babies were given this name. The average age of a living person named Henessy is approximately 19 years old, reflecting when the name was most commonly given.
Is Henessy a female name?
Henessy is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Henessy Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Henessy Smith, Henessy Johnson, Henessy 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 0 life tables broken down by sex. The U.S. population figure (342,754,338) is from the Census Bureau estimate. Full methodology.
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