Frederick Stephani
There are approximately 1 people named Frederick Stephani 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 Frederick with Census Bureau frequency data for the surname Stephani. 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 Frederick
143K
Alive today
Named Stephani
651
Alive today
US population
343M
Denominator
Estimated living: 143K
Rarity: Common
Gender: Male
Peak year: 1952
Average age: 59
Estimated bearers: 651
Rarity: Very Rare
Census rank: #40,016
Per 100K: 0.19
Top ancestry: White (94.2%)
First name trend
Frederick: popularity over time
Year-by-year SSA birth registrations for the first name Frederick. The peak year was 1952 with 4,997 births. The average person named Frederick today is 59 years old.
Babies born per year
Ethnicity
Ancestry of the Stephani surname
Self-reported race and ethnicity breakdown for people with the surname Stephani, from the 2010 US Census Bureau. The largest group is White at 94.2%.
- White94.2%
- Hispanic or Latino3.3%
- Black or African American1.1%
- Two or more races0.9%
Methodology
How we calculated this
The first name Frederick has a living-bearer frequency of 0.0416% of the US population, based on 142,504 estimated living Americans carrying this first name (from SSA birth records going back to 1880, adjusted for mortality using CDC life tables).
The surname Stephani appears at a rate of 0.19 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 Frederick Stephani. This assumes statistical independence between first and last names, which is a simplification but produces reasonable estimates for most combinations.
Related
Other people named Frederick
FAQ
Frederick Stephani: questions and answers
How many people are named Frederick Stephani?
We estimate approximately 1 people in the United States share the full name Frederick Stephani. That works out to about 1 in 342,754,338 Americans. This is calculated by combining the first-name frequency (0.0416%) with the surname frequency (0.19 per 100K) against the current US population.
How rare is the name Frederick Stephani?
We classify Frederick Stephani as "Very Rare". About 1 in 342,754,338 Americans share this exact first and last name combination.
Is Frederick a male or female name?
Frederick is predominantly male. Out of 266,429 total SSA registrations, 99.6% were male and 0.4% were female. See the full Frederick 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.