Cecil Demille
There are approximately 1 people named Cecil Demille 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 Cecil with Census Bureau frequency data for the surname Demille. 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 Cecil
39K
Alive today
Named Demille
1.5K
Alive today
US population
343M
Denominator
Estimated living: 39K
Rarity: Uncommon
Gender: Male
Peak year: 1920
Average age: 65
Estimated bearers: 1.5K
Rarity: Rare
Census rank: #20,806
Per 100K: 0.43
Top ancestry: White (93.2%)
First name trend
Cecil: popularity over time
Year-by-year SSA birth registrations for the first name Cecil. The peak year was 1920 with 2,672 births. The average person named Cecil today is 65 years old.
Babies born per year
Ethnicity
Ancestry of the Demille surname
Self-reported race and ethnicity breakdown for people with the surname Demille, from the 2010 US Census Bureau. The largest group is White at 93.2%.
- White93.2%
- Hispanic or Latino2.7%
- Two or more races1.6%
- Asian and Pacific Islander1.2%
Methodology
How we calculated this
The first name Cecil has a living-bearer frequency of 0.0115% of the US population, based on 39,309 estimated living Americans carrying this first name (from SSA birth records going back to 1880, adjusted for mortality using CDC life tables).
The surname Demille appears at a rate of 0.43 per 100,000 residents in the 2010 Census Bureau surname file, which translates to a frequency of 0.0004%.
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 Cecil Demille. This assumes statistical independence between first and last names, which is a simplification but produces reasonable estimates for most combinations.
Related
Other people named Cecil
FAQ
Cecil Demille: questions and answers
How many people are named Cecil Demille?
We estimate approximately 1 people in the United States share the full name Cecil Demille. That works out to about 1 in 342,754,338 Americans. This is calculated by combining the first-name frequency (0.0115%) with the surname frequency (0.43 per 100K) against the current US population.
How rare is the name Cecil Demille?
We classify Cecil Demille as "Very Rare". About 1 in 342,754,338 Americans share this exact first and last name combination.
Is Cecil a male or female name?
Cecil is predominantly male. Out of 114,554 total SSA registrations, 93.3% were male and 6.7% were female. See the full Cecil 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.