Rob Sitch
There are approximately 1 people named Rob Sitch 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 Rob with Census Bureau frequency data for the surname Sitch. 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 Rob
7.2K
Alive today
Named Sitch
171
Alive today
US population
343M
Denominator
Estimated living: 7.2K
Rarity: Rare
Gender: Male
Peak year: 1963
Average age: 58
Estimated bearers: 171
Rarity: Very Rare
Census rank: #114,424
Per 100K: 0.05
Top ancestry: White (88.9%)
First name trend
Rob: popularity over time
Year-by-year SSA birth registrations for the first name Rob. The peak year was 1963 with 555 births. The average person named Rob today is 58 years old.
Babies born per year
Ethnicity
Ancestry of the Sitch surname
Self-reported race and ethnicity breakdown for people with the surname Sitch, from the 2010 US Census Bureau. The largest group is White at 88.9%.
- White88.9%
- Two or more races7.8%
Methodology
How we calculated this
The first name Rob has a living-bearer frequency of 0.0021% of the US population, based on 7,175 estimated living Americans carrying this first name (from SSA birth records going back to 1880, adjusted for mortality using CDC life tables).
The surname Sitch appears at a rate of 0.05 per 100,000 residents in the 2010 Census Bureau surname file, which translates to a frequency of 0.0000%.
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 Rob Sitch. This assumes statistical independence between first and last names, which is a simplification but produces reasonable estimates for most combinations.
Related
Other people named Rob
FAQ
Rob Sitch: questions and answers
How many people are named Rob Sitch?
We estimate approximately 1 people in the United States share the full name Rob Sitch. That works out to about 1 in 342,754,338 Americans. This is calculated by combining the first-name frequency (0.0021%) with the surname frequency (0.05 per 100K) against the current US population.
How rare is the name Rob Sitch?
We classify Rob Sitch as "Very Rare". About 1 in 342,754,338 Americans share this exact first and last name combination.
Is Rob a male or female name?
Rob is predominantly male. Out of 8,768 total SSA registrations, 100.0% were male and 0.0% were female. See the full Rob 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.