Janet Blair
There are approximately 84 people named Janet Blair living in the United States today. That makes this name combination very rare, occurring at a rate of about 1 in 4,080,409 Americans.
This estimate combines SSA birth records for the first name Janet with Census Bureau frequency data for the surname Blair. Below you will find a breakdown of both names, including popularity trends, gender data, and ancestry information.
Expected bearers
84
1 in 4,080,409
Named Janet
316K
Alive today
Named Blair
91K
Alive today
US population
343M
Denominator
Estimated living: 316K
Rarity: Common
Gender: Female
Peak year: 1954
Average age: 67
Estimated bearers: 91K
Rarity: Uncommon
Census rank: #416
Per 100K: 26.45
Top ancestry: White (79.4%)
First name trend
Janet: popularity over time
Year-by-year SSA birth registrations for the first name Janet. The peak year was 1954 with 18,507 births. The average person named Janet today is 67 years old.
Babies born per year
Ethnicity
Ancestry of the Blair surname
Self-reported race and ethnicity breakdown for people with the surname Blair, from the 2010 US Census Bureau. The largest group is White at 79.4%.
- White79.4%
- Black or African American14.7%
- Hispanic or Latino2.5%
- Two or more races2.2%
- American Indian and Alaska Native0.7%
- Asian and Pacific Islander0.6%
Methodology
How we calculated this
The first name Janet has a living-bearer frequency of 0.0922% of the US population, based on 316,008 estimated living Americans carrying this first name (from SSA birth records going back to 1880, adjusted for mortality using CDC life tables).
The surname Blair appears at a rate of 26.45 per 100,000 residents in the 2010 Census Bureau surname file, which translates to a frequency of 0.0264%.
Multiplying these two independent frequencies against the current US population of 342,754,338 gives an expected count of approximately 84 people with the full name Janet Blair. This assumes statistical independence between first and last names, which is a simplification but produces reasonable estimates for most combinations.
Related
Other people named Janet
Related
Other people with the surname Blair
FAQ
Janet Blair: questions and answers
How many people are named Janet Blair?
We estimate approximately 84 people in the United States share the full name Janet Blair. That works out to about 1 in 4,080,409 Americans. This is calculated by combining the first-name frequency (0.0922%) with the surname frequency (26.45 per 100K) against the current US population.
How rare is the name Janet Blair?
We classify Janet Blair as "Very Rare". About 1 in 4,080,409 Americans share this exact first and last name combination.
Is Janet a male or female name?
Janet is predominantly female. Out of 558,224 total SSA registrations, 0.3% were male and 99.7% were female. See the full Janet 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.