Clare Kilner
There are approximately 1 people named Clare Kilner 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 Clare with Census Bureau frequency data for the surname Kilner. 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 Clare
22K
Alive today
Named Kilner
480
Alive today
US population
343M
Denominator
Estimated living: 22K
Rarity: Uncommon
Gender: Female
Peak year: 1999
Average age: 37
Estimated bearers: 480
Rarity: Very Rare
Census rank: #50,196
Per 100K: 0.14
Top ancestry: White (97.1%)
First name trend
Clare: popularity over time
Year-by-year SSA birth registrations for the first name Clare. The peak year was 1999 with 512 births. The average person named Clare today is 37 years old.
Babies born per year
Ethnicity
Ancestry of the Kilner surname
Self-reported race and ethnicity breakdown for people with the surname Kilner, from the 2010 US Census Bureau. The largest group is White at 97.1%.
- White97.1%
- Hispanic or Latino2.2%
Methodology
How we calculated this
The first name Clare has a living-bearer frequency of 0.0064% of the US population, based on 22,065 estimated living Americans carrying this first name (from SSA birth records going back to 1880, adjusted for mortality using CDC life tables).
The surname Kilner appears at a rate of 0.14 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 Clare Kilner. This assumes statistical independence between first and last names, which is a simplification but produces reasonable estimates for most combinations.
FAQ
Clare Kilner: questions and answers
How many people are named Clare Kilner?
We estimate approximately 1 people in the United States share the full name Clare Kilner. That works out to about 1 in 342,754,338 Americans. This is calculated by combining the first-name frequency (0.0064%) with the surname frequency (0.14 per 100K) against the current US population.
How rare is the name Clare Kilner?
We classify Clare Kilner as "Very Rare". About 1 in 342,754,338 Americans share this exact first and last name combination.
Is Clare a male or female name?
Clare is predominantly female. Out of 34,225 total SSA registrations, 8.9% were male and 91.1% were female. See the full Clare 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.