How Many People Are Named Hennessy?
Complete statistics for the name Hennessy: rarity score, gender breakdown, age distribution, historical popularity, worldwide data, meaning and origin.
Hennessy is a very rare female name, with only 1,579 people bearing it in the US today, making up just 1 in 208,942 Americans. The majority of those named Hennessy are under 30, with the peak year being 2019 when 82 babies were given this name.
📖 Meaning & Origin
People with the life path number 1 are natural leaders who don't shy away from challenges.
🌍 Worldwide Usage
⚥ Gender Distribution
📊 Births by Age Group
Avg Cohort Age: 15All 1,593 recorded US births for this name, grouped by the age those individuals would be today. Not adjusted for survival, so the number living today is lower (see the living estimate above).
📈 Popularity Over Time
Peak: 2019Annual US births from SSA records · Trend: Slowly declining
🏆 Name Scorecard
Scores 0–100 based on statistical analysis of US and worldwide name frequency
📜 Hennessy Through the Generations
Hennessy has seen a surge in popularity among younger generations, with most of its bearers being under 30 years old. In 2019, the name reached its peak with 82 births, but since then, it's been slowly declining. As of now, there are 1,535 individuals under 30, 58 between 30 and 60, and none over 60, indicating that it's a relatively new name in the American naming landscape.
📍 State Distribution (Top 10)
🌿 Related Names by Origin
Other names sharing Hennessy's Irish roots
📄 About the Name Hennessy
How Many People Have the Name Hennessy?
Based on Social Security Administration birth records and age-adjusted survival modeling, approximately 9,053 people in the United States currently share the name Hennessy. That works out to roughly 1 in every 36,612 Americans, placing it in the Rare category.
Is Hennessy a Common or Rare Name?
Hennessy is classified as Rare. The rarity scale runs from Very Common (shared by millions) through Common, Uncommon, Rare, and Very Rare. Understanding where a name sits helps parents gauge uniqueness, genealogists narrow down records, and individuals settle debates about their own name's distinctiveness.
Gender Breakdown
Of all recorded bearers of Hennessy in SSA data, approximately 4% are male and 96% are female.
When Was Hennessy Most Popular?
The name Hennessy reached peak popularity in 2019, with 82 babies registered that year. Current trend: Slowly declining.
How Is This Data Calculated?
All figures are statistical estimates, not exact government headcounts. The underlying data comes from the SSA National Baby Names dataset. Full methodology is explained on the methodology page.
❓ Frequently Asked Questions
How many people are named Hennessy?
Approximately 9,053 people named Hennessy live in the United States today. All-time US births on record total 9,053. That works out to roughly 1 in 36,612 Americans.
Is Hennessy a rare name?
Hennessy is classified as Rare in the United States. Approximately 1 in every 36,612 Americans has this name.
What does the name Hennessy mean?
The meaning and origin of Hennessy are shown in the Meaning & Origin section on this page.
Is Hennessy more male or female?
Based on SSA records, 4% of people named Hennessy are male and 96% are female.
When was Hennessy most popular?
Hennessy peaked in 2019 with 82 births that year. Current trend: Slowly declining.
How accurate are these statistics?
All figures are statistical estimates based on SSA birth records and age-adjusted modeling. See the methodology page for full details.