Lois Chiles
There are approximately 1 people named Lois Chiles 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 Lois with Census Bureau frequency data for the surname Chiles. 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 Lois
83K
Alive today
Named Chiles
5.7K
Alive today
US population
343M
Denominator
Estimated living: 83K
Rarity: Uncommon
Gender: Female
Peak year: 1927
Average age: 74
Estimated bearers: 5.7K
Rarity: Rare
Census rank: #6,831
Per 100K: 1.67
Top ancestry: White (60.3%)
First name trend
Lois: popularity over time
Year-by-year SSA birth registrations for the first name Lois. The peak year was 1927 with 10,587 births. The average person named Lois today is 74 years old.
Babies born per year
Ethnicity
Ancestry of the Chiles surname
Self-reported race and ethnicity breakdown for people with the surname Chiles, from the 2010 US Census Bureau. The largest group is White at 60.3%.
- White60.3%
- Black or African American33.0%
- Two or more races3.0%
- Hispanic or Latino2.7%
- American Indian and Alaska Native0.6%
- Asian and Pacific Islander0.4%
Methodology
How we calculated this
The first name Lois has a living-bearer frequency of 0.0242% of the US population, based on 83,078 estimated living Americans carrying this first name (from SSA birth records going back to 1880, adjusted for mortality using CDC life tables).
The surname Chiles appears at a rate of 1.67 per 100,000 residents in the 2010 Census Bureau surname file, which translates to a frequency of 0.0017%.
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 Lois Chiles. This assumes statistical independence between first and last names, which is a simplification but produces reasonable estimates for most combinations.
Related
Other people named Lois
FAQ
Lois Chiles: questions and answers
How many people are named Lois Chiles?
We estimate approximately 1 people in the United States share the full name Lois Chiles. That works out to about 1 in 342,754,338 Americans. This is calculated by combining the first-name frequency (0.0242%) with the surname frequency (1.67 per 100K) against the current US population.
How rare is the name Lois Chiles?
We classify Lois Chiles as "Very Rare". About 1 in 342,754,338 Americans share this exact first and last name combination.
Is Lois a male or female name?
Lois is predominantly female. Out of 335,474 total SSA registrations, 0.8% were male and 99.2% were female. See the full Lois 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.