Sonja Sohn
There are approximately 1 people named Sonja Sohn 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 Sonja with Census Bureau frequency data for the surname Sohn. 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 Sonja
30K
Alive today
Named Sohn
5.6K
Alive today
US population
343M
Denominator
Estimated living: 30K
Rarity: Uncommon
Gender: Female
Peak year: 1967
Average age: 55
Estimated bearers: 5.6K
Rarity: Rare
Census rank: #6,985
Per 100K: 1.63
Top ancestry: Asian/Pacific Islander (47.8%)
First name trend
Sonja: popularity over time
Year-by-year SSA birth registrations for the first name Sonja. The peak year was 1967 with 1,343 births. The average person named Sonja today is 55 years old.
Babies born per year
Ethnicity
Ancestry of the Sohn surname
Self-reported race and ethnicity breakdown for people with the surname Sohn, from the 2010 US Census Bureau. The largest group is Asian/Pacific Islander at 47.8%.
- Asian and Pacific Islander47.8%
- White46.8%
- Black or African American2.1%
- Two or more races1.7%
- Hispanic or Latino1.2%
- American Indian and Alaska Native0.5%
Methodology
How we calculated this
The first name Sonja has a living-bearer frequency of 0.0086% of the US population, based on 29,643 estimated living Americans carrying this first name (from SSA birth records going back to 1880, adjusted for mortality using CDC life tables).
The surname Sohn appears at a rate of 1.63 per 100,000 residents in the 2010 Census Bureau surname file, which translates to a frequency of 0.0016%.
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 Sonja Sohn. This assumes statistical independence between first and last names, which is a simplification but produces reasonable estimates for most combinations.
FAQ
Sonja Sohn: questions and answers
How many people are named Sonja Sohn?
We estimate approximately 1 people in the United States share the full name Sonja Sohn. That works out to about 1 in 342,754,338 Americans. This is calculated by combining the first-name frequency (0.0086%) with the surname frequency (1.63 per 100K) against the current US population.
How rare is the name Sonja Sohn?
We classify Sonja Sohn as "Very Rare". About 1 in 342,754,338 Americans share this exact first and last name combination.
Is Sonja a male or female name?
Sonja is predominantly female. Out of 39,520 total SSA registrations, 0.1% were male and 99.9% were female. See the full Sonja 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.