Sissy Spacek
There are approximately 1 people named Sissy Spacek 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 Sissy with Census Bureau frequency data for the surname Spacek. 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 Sissy
624
Alive today
Named Spacek
823
Alive today
US population
343M
Denominator
Estimated living: 624
Rarity: Very Rare
Gender: Female
Peak year: 1981
Average age: 46
Estimated bearers: 823
Rarity: Very Rare
Census rank: #32,339
Per 100K: 0.24
Top ancestry: White (93.0%)
First name trend
Sissy: popularity over time
Year-by-year SSA birth registrations for the first name Sissy. The peak year was 1981 with 27 births. The average person named Sissy today is 46 years old.
Babies born per year
Ethnicity
Ancestry of the Spacek surname
Self-reported race and ethnicity breakdown for people with the surname Spacek, from the 2010 US Census Bureau. The largest group is White at 93.0%.
- White93.0%
- Hispanic or Latino3.2%
- Asian and Pacific Islander1.4%
- Two or more races1.4%
Methodology
How we calculated this
The first name Sissy has a living-bearer frequency of 0.0002% of the US population, based on 624 estimated living Americans carrying this first name (from SSA birth records going back to 1880, adjusted for mortality using CDC life tables).
The surname Spacek appears at a rate of 0.24 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 Sissy Spacek. This assumes statistical independence between first and last names, which is a simplification but produces reasonable estimates for most combinations.
FAQ
Sissy Spacek: questions and answers
How many people are named Sissy Spacek?
We estimate approximately 1 people in the United States share the full name Sissy Spacek. That works out to about 1 in 342,754,338 Americans. This is calculated by combining the first-name frequency (0.0002%) with the surname frequency (0.24 per 100K) against the current US population.
How rare is the name Sissy Spacek?
We classify Sissy Spacek as "Very Rare". About 1 in 342,754,338 Americans share this exact first and last name combination.
Is Sissy a male or female name?
Sissy is predominantly female. Out of 710 total SSA registrations, 0.0% were male and 100.0% were female. See the full Sissy 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.