Lorna Cook
There are approximately 16 people named Lorna Cook living in the United States today. That makes this name combination very rare, occurring at a rate of about 1 in 21,422,146 Americans.
This estimate combines SSA birth records for the first name Lorna with Census Bureau frequency data for the surname Cook. Below you will find a breakdown of both names, including popularity trends, gender data, and ancestry information.
Expected bearers
16
1 in 21,422,146
Named Lorna
15K
Alive today
Named Cook
352K
Alive today
US population
343M
Denominator
Estimated living: 15K
Rarity: Uncommon
Gender: Female
Peak year: 1957
Average age: 62
Estimated bearers: 352K
Rarity: Common
Census rank: #65
Per 100K: 102.58
Top ancestry: White (81.8%)
First name trend
Lorna: popularity over time
Year-by-year SSA birth registrations for the first name Lorna. The peak year was 1957 with 758 births. The average person named Lorna today is 62 years old.
Babies born per year
Ethnicity
Ancestry of the Cook surname
Self-reported race and ethnicity breakdown for people with the surname Cook, from the 2010 US Census Bureau. The largest group is White at 81.8%.
- White81.8%
- Black or African American12.6%
- Hispanic or Latino2.2%
- Two or more races2.0%
- American Indian and Alaska Native0.9%
- Asian and Pacific Islander0.6%
Methodology
How we calculated this
The first name Lorna has a living-bearer frequency of 0.0044% of the US population, based on 15,114 estimated living Americans carrying this first name (from SSA birth records going back to 1880, adjusted for mortality using CDC life tables).
The surname Cook appears at a rate of 102.58 per 100,000 residents in the 2010 Census Bureau surname file, which translates to a frequency of 0.1026%.
Multiplying these two independent frequencies against the current US population of 342,754,338 gives an expected count of approximately 16 people with the full name Lorna Cook. This assumes statistical independence between first and last names, which is a simplification but produces reasonable estimates for most combinations.
Related
Other people named Lorna
Related
Other people with the surname Cook
FAQ
Lorna Cook: questions and answers
How many people are named Lorna Cook?
We estimate approximately 16 people in the United States share the full name Lorna Cook. That works out to about 1 in 21,422,146 Americans. This is calculated by combining the first-name frequency (0.0044%) with the surname frequency (102.58 per 100K) against the current US population.
How rare is the name Lorna Cook?
We classify Lorna Cook as "Very Rare". About 1 in 21,422,146 Americans share this exact first and last name combination.
Is Lorna a male or female name?
Lorna is predominantly female. Out of 28,497 total SSA registrations, 0.1% were male and 99.9% were female. See the full Lorna 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.