Marilu Henner
There are approximately 1 people named Marilu Henner living in the United States today. That makes this name combination very rare, occurring at a rate of about 1 in 342,754,338 Americans.
This estimate combines SSA birth records for the first name Marilu with Census Bureau frequency data for the surname Henner. Below you will find a breakdown of both names, including popularity trends, gender data, and ancestry information.
Expected bearers
1
1 in 342,754,338
Named Marilu
1.9K
Alive today
Named Henner
377
Alive today
US population
343M
Denominator
Estimated living: 1.9K
Rarity: Rare
Gender: Female
Peak year: 1991
Average age: 39
Estimated bearers: 377
Rarity: Very Rare
Census rank: #63,873
Per 100K: 0.11
Top ancestry: White (97.4%)
First name trend
Marilu: popularity over time
Year-by-year SSA birth registrations for the first name Marilu. The peak year was 1991 with 55 births. The average person named Marilu today is 39 years old.
Babies born per year
Ethnicity
Ancestry of the Henner surname
Self-reported race and ethnicity breakdown for people with the surname Henner, from the 2010 US Census Bureau. The largest group is White at 97.4%.
- White97.4%
- Unknown or suppressed2.6%
Methodology
How we calculated this
The first name Marilu has a living-bearer frequency of 0.0005% of the US population, based on 1,869 estimated living Americans carrying this first name (from SSA birth records going back to 1880, adjusted for mortality using CDC life tables).
The surname Henner appears at a rate of 0.11 per 100,000 residents in the 2010 Census Bureau surname file, which translates to a frequency of 0.0001%.
Multiplying these two independent frequencies against the current US population of 342,754,338 gives an expected count of approximately 1 people with the full name Marilu Henner. This assumes statistical independence between first and last names, which is a simplification but produces reasonable estimates for most combinations.
FAQ
Marilu Henner: questions and answers
How many people are named Marilu Henner?
We estimate approximately 1 people in the United States share the full name Marilu Henner. That works out to about 1 in 342,754,338 Americans. This is calculated by combining the first-name frequency (0.0005%) with the surname frequency (0.11 per 100K) against the current US population.
How rare is the name Marilu Henner?
We classify Marilu Henner as "Very Rare". About 1 in 342,754,338 Americans share this exact first and last name combination.
Is Marilu a male or female name?
Marilu is predominantly female. Out of 2,263 total SSA registrations, 0.0% were male and 100.0% were female. See the full Marilu profile for detailed gender data.
Where does this data come from?
First-name data comes from the Social Security Administration's national baby name files (1880 to 2024). Surname data comes from the 2010 US Census Bureau decennial surname tables. Living-bearer estimates use CDC actuarial life tables to adjust for mortality. Read the full methodology.