Catherine Bach
There are approximately 14 people named Catherine Bach living in the United States today. That makes this name combination very rare, occurring at a rate of about 1 in 24,482,453 Americans.
This estimate combines SSA birth records for the first name Catherine with Census Bureau frequency data for the surname Bach. Below you will find a breakdown of both names, including popularity trends, gender data, and ancestry information.
Expected bearers
14
1 in 24,482,453
Named Catherine
349K
Alive today
Named Bach
14K
Alive today
US population
343M
Denominator
Estimated living: 349K
Rarity: Common
Gender: Female
Peak year: 1956
Average age: 53
Estimated bearers: 14K
Rarity: Uncommon
Census rank: #2,986
Per 100K: 4.07
Top ancestry: White (84.8%)
First name trend
Catherine: popularity over time
Year-by-year SSA birth registrations for the first name Catherine. The peak year was 1956 with 12,076 births. The average person named Catherine today is 53 years old.
Babies born per year
Ethnicity
Ancestry of the Bach surname
Self-reported race and ethnicity breakdown for people with the surname Bach, from the 2010 US Census Bureau. The largest group is White at 84.8%.
- White84.8%
- Asian and Pacific Islander10.7%
- Hispanic or Latino2.7%
- Two or more races1.3%
- Black or African American0.3%
- American Indian and Alaska Native0.2%
Methodology
How we calculated this
The first name Catherine has a living-bearer frequency of 0.1018% of the US population, based on 348,984 estimated living Americans carrying this first name (from SSA birth records going back to 1880, adjusted for mortality using CDC life tables).
The surname Bach appears at a rate of 4.07 per 100,000 residents in the 2010 Census Bureau surname file, which translates to a frequency of 0.0041%.
Multiplying these two independent frequencies against the current US population of 342,754,338 gives an expected count of approximately 14 people with the full name Catherine Bach. This assumes statistical independence between first and last names, which is a simplification but produces reasonable estimates for most combinations.
Related
Other people named Catherine
Related
Other people with the surname Bach
FAQ
Catherine Bach: questions and answers
How many people are named Catherine Bach?
We estimate approximately 14 people in the United States share the full name Catherine Bach. That works out to about 1 in 24,482,453 Americans. This is calculated by combining the first-name frequency (0.1018%) with the surname frequency (4.07 per 100K) against the current US population.
How rare is the name Catherine Bach?
We classify Catherine Bach as "Very Rare". About 1 in 24,482,453 Americans share this exact first and last name combination.
Is Catherine a male or female name?
Catherine is predominantly female. Out of 668,624 total SSA registrations, 0.3% were male and 99.7% were female. See the full Catherine 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.