NameCensus.
Very Rare

Sydney Penny

There are approximately 6 people named Sydney Penny living in the United States today. That makes this name combination very rare, occurring at a rate of about 1 in 57,125,723 Americans.

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

Expected bearers

6

1 in 57,125,723

Named Sydney

176K

Alive today

Named Penny

12K

Alive today

US population

343M

Denominator

The first name Sydney

Estimated living: 176K

Rarity: Common

Gender: Female

Peak year: 2000

Average age: 24

The surname Penny

Estimated bearers: 12K

Rarity: Uncommon

Census rank: #3,485

Per 100K: 3.47

Top ancestry: White (71.9%)

First name trend

Sydney: popularity over time

Year-by-year SSA birth registrations for the first name Sydney. The peak year was 2000 with 10,369 births. The average person named Sydney today is 24 years old.

Babies born per year

MaleFemale
03K5K8K10K18801900192019401960198020002020

Ethnicity

Ancestry of the Penny surname

Self-reported race and ethnicity breakdown for people with the surname Penny, from the 2010 US Census Bureau. The largest group is White at 71.9%.

  • White71.9%
  • Black or African American21.4%
  • Hispanic or Latino2.9%
  • Two or more races2.4%
  • American Indian and Alaska Native0.8%
  • Asian and Pacific Islander0.6%

Methodology

How we calculated this

The first name Sydney has a living-bearer frequency of 0.0513% of the US population, based on 175,906 estimated living Americans carrying this first name (from SSA birth records going back to 1880, adjusted for mortality using CDC life tables).

The surname Penny appears at a rate of 3.47 per 100,000 residents in the 2010 Census Bureau surname file, which translates to a frequency of 0.0035%.

Multiplying these two independent frequencies against the current US population of 342,754,338 gives an expected count of approximately 6 people with the full name Sydney Penny. 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 Sydney

Related

Other people with the surname Penny

FAQ

Sydney Penny: questions and answers

How many people are named Sydney Penny?

We estimate approximately 6 people in the United States share the full name Sydney Penny. That works out to about 1 in 57,125,723 Americans. This is calculated by combining the first-name frequency (0.0513%) with the surname frequency (3.47 per 100K) against the current US population.

How rare is the name Sydney Penny?

We classify Sydney Penny as "Very Rare". About 1 in 57,125,723 Americans share this exact first and last name combination.

Is Sydney a male or female name?

Sydney is predominantly female. Out of 186,796 total SSA registrations, 5.0% were male and 95.0% were female. See the full Sydney 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 6 people

with the full name

Sydney Penny

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