Jacob Tierney
There are approximately 43 people named Jacob Tierney living in the United States today. That makes this name combination very rare, occurring at a rate of about 1 in 7,971,031 Americans.
This estimate combines SSA birth records for the first name Jacob with Census Bureau frequency data for the surname Tierney. Below you will find a breakdown of both names, including popularity trends, gender data, and ancestry information.
Expected bearers
43
1 in 7,971,031
Named Jacob
930K
Alive today
Named Tierney
16K
Alive today
US population
343M
Denominator
Estimated living: 930K
Rarity: Very Common
Gender: Male
Peak year: 1998
Average age: 27
Estimated bearers: 16K
Rarity: Uncommon
Census rank: #2,646
Per 100K: 4.61
Top ancestry: White (95.8%)
First name trend
Jacob: popularity over time
Year-by-year SSA birth registrations for the first name Jacob. The peak year was 1998 with 36,087 births. The average person named Jacob today is 27 years old.
Babies born per year
Ethnicity
Ancestry of the Tierney surname
Self-reported race and ethnicity breakdown for people with the surname Tierney, from the 2010 US Census Bureau. The largest group is White at 95.8%.
- White95.8%
- Hispanic or Latino1.9%
- Two or more races1.2%
- Asian and Pacific Islander0.6%
- Black or African American0.3%
- American Indian and Alaska Native0.2%
Methodology
How we calculated this
The first name Jacob has a living-bearer frequency of 0.2713% of the US population, based on 929,976 estimated living Americans carrying this first name (from SSA birth records going back to 1880, adjusted for mortality using CDC life tables).
The surname Tierney appears at a rate of 4.61 per 100,000 residents in the 2010 Census Bureau surname file, which translates to a frequency of 0.0046%.
Multiplying these two independent frequencies against the current US population of 342,754,338 gives an expected count of approximately 43 people with the full name Jacob Tierney. This assumes statistical independence between first and last names, which is a simplification but produces reasonable estimates for most combinations.
Related
Other people named Jacob
Related
Other people with the surname Tierney
FAQ
Jacob Tierney: questions and answers
How many people are named Jacob Tierney?
We estimate approximately 43 people in the United States share the full name Jacob Tierney. That works out to about 1 in 7,971,031 Americans. This is calculated by combining the first-name frequency (0.2713%) with the surname frequency (4.61 per 100K) against the current US population.
How rare is the name Jacob Tierney?
We classify Jacob Tierney as "Very Rare". About 1 in 7,971,031 Americans share this exact first and last name combination.
Is Jacob a male or female name?
Jacob is predominantly male. Out of 984,245 total SSA registrations, 99.8% were male and 0.2% were female. See the full Jacob 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.