Sigourney Weaver
There are approximately 1 people named Sigourney Weaver 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 Sigourney with Census Bureau frequency data for the surname Weaver. 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 Sigourney
380
Alive today
Named Weaver
167K
Alive today
US population
343M
Denominator
Estimated living: 380
Rarity: Very Rare
Gender: Female
Peak year: 1989
Average age: 28
Estimated bearers: 167K
Rarity: Common
Census rank: #192
Per 100K: 48.76
Top ancestry: White (84.4%)
First name trend
Sigourney: popularity over time
Year-by-year SSA birth registrations for the first name Sigourney. The peak year was 1989 with 43 births. The average person named Sigourney today is 28 years old.
Babies born per year
Ethnicity
Ancestry of the Weaver surname
Self-reported race and ethnicity breakdown for people with the surname Weaver, from the 2010 US Census Bureau. The largest group is White at 84.4%.
- White84.4%
- Black or African American10.0%
- Hispanic or Latino2.1%
- Two or more races1.9%
- American Indian and Alaska Native1.1%
- Asian and Pacific Islander0.5%
Methodology
How we calculated this
The first name Sigourney has a living-bearer frequency of 0.0001% of the US population, based on 380 estimated living Americans carrying this first name (from SSA birth records going back to 1880, adjusted for mortality using CDC life tables).
The surname Weaver appears at a rate of 48.76 per 100,000 residents in the 2010 Census Bureau surname file, which translates to a frequency of 0.0488%.
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 Sigourney Weaver. This assumes statistical independence between first and last names, which is a simplification but produces reasonable estimates for most combinations.
Related
Other people with the surname Weaver
FAQ
Sigourney Weaver: questions and answers
How many people are named Sigourney Weaver?
We estimate approximately 1 people in the United States share the full name Sigourney Weaver. That works out to about 1 in 342,754,338 Americans. This is calculated by combining the first-name frequency (0.0001%) with the surname frequency (48.76 per 100K) against the current US population.
How rare is the name Sigourney Weaver?
We classify Sigourney Weaver as "Very Rare". About 1 in 342,754,338 Americans share this exact first and last name combination.
Is Sigourney a male or female name?
Sigourney is predominantly female. Out of 392 total SSA registrations, 0.0% were male and 100.0% were female. See the full Sigourney 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.