Rosalind Chao
There are approximately 1 people named Rosalind Chao 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 Rosalind with Census Bureau frequency data for the surname Chao. 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 Rosalind
16K
Alive today
Named Chao
12K
Alive today
US population
343M
Denominator
Estimated living: 16K
Rarity: Uncommon
Gender: Female
Peak year: 1965
Average age: 56
Estimated bearers: 12K
Rarity: Uncommon
Census rank: #3,432
Per 100K: 3.52
Top ancestry: Asian/Pacific Islander (86.7%)
First name trend
Rosalind: popularity over time
Year-by-year SSA birth registrations for the first name Rosalind. The peak year was 1965 with 652 births. The average person named Rosalind today is 56 years old.
Babies born per year
Ethnicity
Ancestry of the Chao surname
Self-reported race and ethnicity breakdown for people with the surname Chao, from the 2010 US Census Bureau. The largest group is Asian/Pacific Islander at 86.7%.
- Asian and Pacific Islander86.7%
- Hispanic or Latino6.4%
- White3.7%
- Two or more races3.0%
- Black or African American0.2%
- American Indian and Alaska Native0.1%
Methodology
How we calculated this
The first name Rosalind has a living-bearer frequency of 0.0047% of the US population, based on 16,278 estimated living Americans carrying this first name (from SSA birth records going back to 1880, adjusted for mortality using CDC life tables).
The surname Chao appears at a rate of 3.52 per 100,000 residents in the 2010 Census Bureau surname file, which translates to a frequency of 0.0035%.
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 Rosalind Chao. This assumes statistical independence between first and last names, which is a simplification but produces reasonable estimates for most combinations.
Related
Other people named Rosalind
FAQ
Rosalind Chao: questions and answers
How many people are named Rosalind Chao?
We estimate approximately 1 people in the United States share the full name Rosalind Chao. That works out to about 1 in 342,754,338 Americans. This is calculated by combining the first-name frequency (0.0047%) with the surname frequency (3.52 per 100K) against the current US population.
How rare is the name Rosalind Chao?
We classify Rosalind Chao as "Very Rare". About 1 in 342,754,338 Americans share this exact first and last name combination.
Is Rosalind a male or female name?
Rosalind is predominantly female. Out of 26,995 total SSA registrations, 0.0% were male and 100.0% were female. See the full Rosalind 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.