NameCensus.
Very Rare

Billy Sims

There are approximately 82 people named Billy Sims living in the United States today. That makes this name combination very rare, occurring at a rate of about 1 in 4,179,931 Americans.

This estimate combines SSA birth records for the first name Billy with Census Bureau frequency data for the surname Sims. Below you will find a breakdown of both names, including popularity trends, gender data, and ancestry information.

Expected bearers

82

1 in 4,179,931

Named Billy

214K

Alive today

Named Sims

132K

Alive today

US population

343M

Denominator

The first name Billy

Estimated living: 214K

Rarity: Common

Gender: Male

Peak year: 1934

Average age: 63

The surname Sims

Estimated bearers: 132K

Rarity: Common

Census rank: #270

Per 100K: 38.43

Top ancestry: White (54.3%)

First name trend

Billy: popularity over time

Year-by-year SSA birth registrations for the first name Billy. The peak year was 1934 with 9,659 births. The average person named Billy today is 63 years old.

Babies born per year

MaleFemale
02K5K7K10K18801900192019401960198020002020

Ethnicity

Ancestry of the Sims surname

Self-reported race and ethnicity breakdown for people with the surname Sims, from the 2010 US Census Bureau. The largest group is White at 54.3%.

  • White54.3%
  • Black or African American39.9%
  • Two or more races2.6%
  • Hispanic or Latino2.2%
  • American Indian and Alaska Native0.6%
  • Asian and Pacific Islander0.4%

Methodology

How we calculated this

The first name Billy has a living-bearer frequency of 0.0623% of the US population, based on 213,640 estimated living Americans carrying this first name (from SSA birth records going back to 1880, adjusted for mortality using CDC life tables).

The surname Sims appears at a rate of 38.43 per 100,000 residents in the 2010 Census Bureau surname file, which translates to a frequency of 0.0384%.

Multiplying these two independent frequencies against the current US population of 342,754,338 gives an expected count of approximately 82 people with the full name Billy Sims. This assumes statistical independence between first and last names, which is a simplification but produces reasonable estimates for most combinations.

Read the full methodology.

Related

Other people named Billy

Related

Other people with the surname Sims

FAQ

Billy Sims: questions and answers

How many people are named Billy Sims?

We estimate approximately 82 people in the United States share the full name Billy Sims. That works out to about 1 in 4,179,931 Americans. This is calculated by combining the first-name frequency (0.0623%) with the surname frequency (38.43 per 100K) against the current US population.

How rare is the name Billy Sims?

We classify Billy Sims as "Very Rare". About 1 in 4,179,931 Americans share this exact first and last name combination.

Is Billy a male or female name?

Billy is predominantly male. Out of 389,442 total SSA registrations, 98.6% were male and 1.4% were female. See the full Billy 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.

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There are 82 people

with the full name

Billy Sims

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