Aj Pierzynski
There are approximately 1 people named Aj Pierzynski 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 Aj with Census Bureau frequency data for the surname Pierzynski. 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 Aj
2.4K
Alive today
Named Pierzynski
171
Alive today
US population
343M
Denominator
Estimated living: 2.4K
Rarity: Rare
Gender: Male
Peak year: 2012
Average age: 20
Estimated bearers: 171
Rarity: Very Rare
Census rank: #126,765
Per 100K: 0.05
Top ancestry: White (95.6%)
First name trend
Aj: popularity over time
Year-by-year SSA birth registrations for the first name Aj. The peak year was 2012 with 92 births. The average person named Aj today is 20 years old.
Babies born per year
Ethnicity
Ancestry of the Pierzynski surname
Self-reported race and ethnicity breakdown for people with the surname Pierzynski, from the 2010 US Census Bureau. The largest group is White at 95.6%.
- White95.6%
- Unknown or suppressed4.4%
Methodology
How we calculated this
The first name Aj has a living-bearer frequency of 0.0007% of the US population, based on 2,375 estimated living Americans carrying this first name (from SSA birth records going back to 1880, adjusted for mortality using CDC life tables).
The surname Pierzynski 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 Aj Pierzynski. This assumes statistical independence between first and last names, which is a simplification but produces reasonable estimates for most combinations.
Related
Other people named Aj
FAQ
Aj Pierzynski: questions and answers
How many people are named Aj Pierzynski?
We estimate approximately 1 people in the United States share the full name Aj Pierzynski. That works out to about 1 in 342,754,338 Americans. This is calculated by combining the first-name frequency (0.0007%) with the surname frequency (0.05 per 100K) against the current US population.
How rare is the name Aj Pierzynski?
We classify Aj Pierzynski as "Very Rare". About 1 in 342,754,338 Americans share this exact first and last name combination.
Is Aj a male or female name?
Aj is predominantly male. Out of 2,419 total SSA registrations, 98.2% were male and 1.8% were female. See the full Aj 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.