Rylo Littlejohn
There are approximately 1 people named Rylo Littlejohn 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 Rylo with Census Bureau frequency data for the surname Littlejohn. Below you will find a breakdown of both names, including popularity trends, gender data, and Census demographics where available.
Expected bearers
1
1 in 342,754,338
Named Rylo
537
Alive today
Named Littlejohn
13K
Alive today
US population
343M
Denominator
Estimated living: 537
Rarity: Very Rare
Gender: Male
Peak year: 2024
Average age: 4
Estimated bearers: 13K
Rarity: Uncommon
Census rank: #3,065
Per 100K: 3.82
Top ancestry: Black (45.2%)
First name trend
Rylo: popularity over time
Year-by-year SSA birth registrations for the first name Rylo. The peak year was 2024 with 145 births. The average person named Rylo today is 4 years old.
Babies born per year
Ethnicity
Ancestry of the Littlejohn surname
Self-reported race and ethnicity breakdown for people with the surname Littlejohn, from the 2020 US Census Bureau. The largest group is Black at 45.2%.
The bar chart below shows how people with the surname Littlejohn described their own race and ethnicity on the 2020 Census form. These are self-reported numbers, and they describe the population who happened to carry the surname Littlejohn at the time of the Census. A surname does not determine a person's race or ethnicity.
- Black or African American45.2% · 5,165
- White41.7% · 4,759
- Two or more races7.3% · 832
- Hispanic or Latino3.2% · 371
- American Indian and Alaska Native2.1% · 243
- Asian and Pacific Islander0.5% · 56
Methodology
How we calculated this
The first name Rylo has a living-bearer frequency of 0.0002% of the US population, based on 537 estimated living Americans carrying this first name (from SSA birth records going back to 1880, adjusted for mortality using CDC life tables).
The surname Littlejohn appears at a rate of 3.82 per 100,000 residents in the 2020 Census Bureau surname file, which translates to a frequency of 0.0038%.
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 Rylo Littlejohn. This assumes statistical independence between first and last names, which is a simplification but produces reasonable estimates for most combinations.
Related
Other people with the surname Littlejohn
FAQ
Rylo Littlejohn: questions and answers
How many people are named Rylo Littlejohn?
We estimate approximately 1 people in the United States share the full name Rylo Littlejohn. That works out to about 1 in 342,754,338 Americans. This is calculated by combining the first-name frequency (0.0002%) with the surname frequency (3.82 per 100K) against the current US population.
How rare is the name Rylo Littlejohn?
We classify Rylo Littlejohn as "Very Rare". About 1 in 342,754,338 Americans share this exact first and last name combination.
Is Rylo a male or female name?
Rylo is predominantly male. Out of 540 total SSA registrations, 100.0% were male and 0.0% were female. See the full Rylo 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 2020 US Census Bureau decennial surname tables. Living-bearer estimates use CDC actuarial life tables to adjust for mortality. Read the full methodology.
How many people are called Rylo Littlejohn?
HowManyOfMe.org, our sister site, answers that with the living-bearer count in one glance.