Ryan Dempster
There are approximately 8 people named Ryan Dempster living in the United States today. That makes this name combination very rare, occurring at a rate of about 1 in 42,844,292 Americans.
This estimate combines SSA birth records for the first name Ryan with Census Bureau frequency data for the surname Dempster. Below you will find a breakdown of both names, including popularity trends, gender data, and ancestry information.
Expected bearers
8
1 in 42,844,292
Named Ryan
953K
Alive today
Named Dempster
3.0K
Alive today
US population
343M
Denominator
Estimated living: 953K
Rarity: Very Common
Gender: Male
Peak year: 1985
Average age: 33
Estimated bearers: 3.0K
Rarity: Rare
Census rank: #12,148
Per 100K: 0.87
Top ancestry: White (84.4%)
First name trend
Ryan: popularity over time
Year-by-year SSA birth registrations for the first name Ryan. The peak year was 1985 with 30,479 births. The average person named Ryan today is 33 years old.
Babies born per year
Ethnicity
Ancestry of the Dempster surname
Self-reported race and ethnicity breakdown for people with the surname Dempster, from the 2010 US Census Bureau. The largest group is White at 84.4%.
- White84.4%
- Black or African American9.0%
- Hispanic or Latino3.2%
- Two or more races1.7%
- Asian and Pacific Islander0.9%
- American Indian and Alaska Native0.7%
Methodology
How we calculated this
The first name Ryan has a living-bearer frequency of 0.2781% of the US population, based on 953,226 estimated living Americans carrying this first name (from SSA birth records going back to 1880, adjusted for mortality using CDC life tables).
The surname Dempster appears at a rate of 0.87 per 100,000 residents in the 2010 Census Bureau surname file, which translates to a frequency of 0.0009%.
Multiplying these two independent frequencies against the current US population of 342,754,338 gives an expected count of approximately 8 people with the full name Ryan Dempster. This assumes statistical independence between first and last names, which is a simplification but produces reasonable estimates for most combinations.
Related
Other people named Ryan
FAQ
Ryan Dempster: questions and answers
How many people are named Ryan Dempster?
We estimate approximately 8 people in the United States share the full name Ryan Dempster. That works out to about 1 in 42,844,292 Americans. This is calculated by combining the first-name frequency (0.2781%) with the surname frequency (0.87 per 100K) against the current US population.
How rare is the name Ryan Dempster?
We classify Ryan Dempster as "Very Rare". About 1 in 42,844,292 Americans share this exact first and last name combination.
Is Ryan a male or female name?
Ryan is predominantly male. Out of 987,785 total SSA registrations, 97.2% were male and 2.8% were female. See the full Ryan 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.