Kaley Cuoco
There are approximately 1 people named Kaley Cuoco 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 Kaley with Census Bureau frequency data for the surname Cuoco. 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 Kaley
13K
Alive today
Named Cuoco
720
Alive today
US population
343M
Denominator
Estimated living: 13K
Rarity: Uncommon
Gender: Female
Peak year: 2003
Average age: 26
Estimated bearers: 720
Rarity: Very Rare
Census rank: #35,912
Per 100K: 0.21
Top ancestry: White (95.2%)
First name trend
Kaley: popularity over time
Year-by-year SSA birth registrations for the first name Kaley. The peak year was 2003 with 578 births. The average person named Kaley today is 26 years old.
Babies born per year
Ethnicity
Ancestry of the Cuoco surname
Self-reported race and ethnicity breakdown for people with the surname Cuoco, from the 2010 US Census Bureau. The largest group is White at 95.2%.
- White95.2%
- Hispanic or Latino3.5%
- Unknown or suppressed1.3%
Methodology
How we calculated this
The first name Kaley has a living-bearer frequency of 0.0039% of the US population, based on 13,321 estimated living Americans carrying this first name (from SSA birth records going back to 1880, adjusted for mortality using CDC life tables).
The surname Cuoco appears at a rate of 0.21 per 100,000 residents in the 2010 Census Bureau surname file, which translates to a frequency of 0.0002%.
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 Kaley Cuoco. This assumes statistical independence between first and last names, which is a simplification but produces reasonable estimates for most combinations.
FAQ
Kaley Cuoco: questions and answers
How many people are named Kaley Cuoco?
We estimate approximately 1 people in the United States share the full name Kaley Cuoco. That works out to about 1 in 342,754,338 Americans. This is calculated by combining the first-name frequency (0.0039%) with the surname frequency (0.21 per 100K) against the current US population.
How rare is the name Kaley Cuoco?
We classify Kaley Cuoco as "Very Rare". About 1 in 342,754,338 Americans share this exact first and last name combination.
Is Kaley a male or female name?
Kaley is predominantly female. Out of 13,667 total SSA registrations, 0.2% were male and 99.8% were female. See the full Kaley 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.