Rina Ishii
There are approximately 1 people named Rina Ishii 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 Rina with Census Bureau frequency data for the surname Ishii. Below you will find a breakdown of both names, including popularity trends, gender data, and Census demographics where available.
Expected bearers
1
1 in 342,754,338
Named Rina
3.9K
Alive today
Named Ishii
2.0K
Alive today
US population
343M
Denominator
Estimated living: 3.9K
Rarity: Rare
Gender: Female
Peak year: 1980
Average age: 35
Top Census group: Hispanic or Latino (34.5%)
Estimated bearers: 2.0K
Rarity: Rare
Census rank: #15,760
Per 100K: 0.60
Top ancestry: Asian/Pacific Islander (73.9%)
First name trend
Rina: popularity over time
Year-by-year SSA birth registrations for the first name Rina. The peak year was 1980 with 90 births. The average person named Rina today is 35 years old.
Babies born per year
Demographics
Ancestry and ethnicity for Rina
Self-reported race and ethnicity breakdown for people with the first name Rina, from the 2020 US Census Bureau first-name tables. The largest published group is Hispanic or Latino at 34.5%.
The bar chart below shows how people with the first name Rina described their own race and ethnicity on the 2020 Census form. These are self-reported numbers, and they describe the population who happened to carry the name Rina at the time of the Census. A first name does not determine a person's race or ethnicity.
- Hispanic or Latino34.5% · 3,108
- White30.7% · 2,761
- Asian and Pacific Islander28.8% · 2,594
- Black or African American3.2% · 288
- Two or more races2.7% · 241
- American Indian and Alaska Native0.2% · 14
Ethnicity
Ancestry of the Ishii surname
Self-reported race and ethnicity breakdown for people with the surname Ishii, from the 2020 US Census Bureau. The largest group is Asian/Pacific Islander at 73.9%.
The bar chart below shows how people with the surname Ishii described their own race and ethnicity on the 2020 Census form. These are self-reported numbers, and they describe the population who happened to carry the surname Ishii at the time of the Census. A surname does not determine a person's race or ethnicity.
- Asian and Pacific Islander73.9% · 1,319
- Two or more races12.1% · 215
- White8.2% · 146
- Hispanic or Latino5.4% · 97
- Black or African American0.3% · 6
- American Indian and Alaska Native0.1% · 1
Methodology
How we calculated this
The first name Rina has a living-bearer frequency of 0.0011% of the US population, based on 3,935 estimated living Americans carrying this first name (from SSA birth records going back to 1880, adjusted for mortality using CDC life tables).
Even though the Census Bureau now publishes first-name tables, we do not use that file as the main first-name input for this estimate. The latest first-name Census snapshot is from 2020, which makes it 6 years old today. Because Census first-name data is only released once every 10 years, SSA birth records plus CDC survival rates give a better current estimate of how many people are likely alive with the name Rina right now.
The surname Ishii appears at a rate of 0.60 per 100,000 residents in the 2020 Census Bureau surname file, which translates to a frequency of 0.0006%.
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 Rina Ishii. This assumes statistical independence between first and last names, which is a simplification but produces reasonable estimates for most combinations.
FAQ
Rina Ishii: questions and answers
How many people are named Rina Ishii?
We estimate approximately 1 people in the United States share the full name Rina Ishii. That works out to about 1 in 342,754,338 Americans. This is calculated by combining the first-name frequency (0.0011%) with the surname frequency (0.60 per 100K) against the current US population.
How rare is the name Rina Ishii?
We classify Rina Ishii as "Very Rare". About 1 in 342,754,338 Americans share this exact first and last name combination.
Is Rina a male or female name?
Rina is predominantly female. Out of 4,728 total SSA registrations, 0.0% were male and 100.0% were female. See the full Rina 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 2020 US Census Bureau decennial surname tables. Living-bearer estimates use CDC actuarial life tables to adjust for mortality. Read the full methodology.
How common is the name Rina Ishii?
Want to know how common the name Rina Ishii is? HowManyOfMe.org, our sister site, puts the living-bearer count front and centre.