Portia Derossi
There are approximately 1 people named Portia Derossi 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 Portia with Census Bureau frequency data for the surname Derossi. 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 Portia
7.9K
Alive today
Named Derossi
308
Alive today
US population
343M
Denominator
Estimated living: 7.9K
Rarity: Rare
Gender: Female
Peak year: 1989
Average age: 48
Estimated bearers: 308
Rarity: Very Rare
Census rank: #71,265
Per 100K: 0.09
Top ancestry: White (92.3%)
First name trend
Portia: popularity over time
Year-by-year SSA birth registrations for the first name Portia. The peak year was 1989 with 267 births. The average person named Portia today is 48 years old.
Babies born per year
Ethnicity
Ancestry of the Derossi surname
Self-reported race and ethnicity breakdown for people with the surname Derossi, from the 2010 US Census Bureau. The largest group is White at 92.3%.
- White92.3%
- Hispanic or Latino5.8%
Methodology
How we calculated this
The first name Portia has a living-bearer frequency of 0.0023% of the US population, based on 7,892 estimated living Americans carrying this first name (from SSA birth records going back to 1880, adjusted for mortality using CDC life tables).
The surname Derossi appears at a rate of 0.09 per 100,000 residents in the 2010 Census Bureau surname file, which translates to a frequency of 0.0001%.
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 Portia Derossi. This assumes statistical independence between first and last names, which is a simplification but produces reasonable estimates for most combinations.
FAQ
Portia Derossi: questions and answers
How many people are named Portia Derossi?
We estimate approximately 1 people in the United States share the full name Portia Derossi. That works out to about 1 in 342,754,338 Americans. This is calculated by combining the first-name frequency (0.0023%) with the surname frequency (0.09 per 100K) against the current US population.
How rare is the name Portia Derossi?
We classify Portia Derossi as "Very Rare". About 1 in 342,754,338 Americans share this exact first and last name combination.
Is Portia a male or female name?
Portia is predominantly female. Out of 10,621 total SSA registrations, 0.1% were male and 99.9% were female. See the full Portia 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.