How Many People Are Named Hennessey?
Complete statistics for the name Hennessey: rarity score, gender breakdown, age distribution, historical popularity, worldwide data, meaning and origin.
Hennessey is a very rare female name, with only 380 people bearing it today, making up just 1 in 869,182 Americans. The majority of those named Hennessey are under 30, indicating its status as a modern, trendy choice.
📖 Meaning & Origin
Traditionally, life-path number 6 represents harmony and balance.
🌍 Worldwide Usage
⚥ Gender Distribution
📊 Births by Age Group
Avg Cohort Age: 17All 383 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: 2015Annual US births from SSA records · Trend: Slowly declining
🏆 Name Scorecard
Scores 0–100 based on statistical analysis of US and worldwide name frequency
📜 Hennessey Through the Generations
Hennessey has seen a steady rise and fall in popularity since its peak in 2015 when 27 babies were given this name. Today, the average age of someone named Hennessey is 17, with 372 individuals under 30 years old. This name is predominantly used by younger generations, suggesting it's a contemporary choice that's slowly declining in usage.
📍 State Distribution (Top 10)
🌿 Related Names by Origin
Other names sharing Hennessey's modern American coinage roots
📄 About the Name Hennessey
How Many People Have the Name Hennessey?
Based on Social Security Administration birth records and age-adjusted survival modeling, approximately 7,726 people in the United States currently share the name Hennessey. That works out to roughly 1 in every 42,901 Americans, placing it in the Rare category.
Is Hennessey a Common or Rare Name?
Hennessey 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.
What Does the Name Hennessey Mean?
Hennessey means "creative variant of Hennessey" and comes from modern American coinage origins. The name carries a life-path numerology number of 6.
Gender Breakdown
Of all recorded bearers of Hennessey in SSA data, approximately 0% are male and 100% are female.
When Was Hennessey Most Popular?
The name Hennessey reached peak popularity in 2015, with 27 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 Hennessey?
Approximately 7,726 people named Hennessey live in the United States today. All-time US births on record total 7,726. That works out to roughly 1 in 42,901 Americans.
Is Hennessey a rare name?
Hennessey is classified as Rare in the United States. Approximately 1 in every 42,901 Americans has this name.
What does the name Hennessey mean?
Hennessey means "creative variant of Hennessey" and comes from modern American coinage origins.
Is Hennessey more male or female?
Based on SSA records, 0% of people named Hennessey are male and 100% are female.
When was Hennessey most popular?
Hennessey peaked in 2015 with 27 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.