Irene Jacob
There are approximately 7 people named Irene Jacob living in the United States today. That makes this name combination very rare, occurring at a rate of about 1 in 48,964,905 Americans.
This estimate combines SSA birth records for the first name Irene with Census Bureau frequency data for the surname Jacob. Below you will find a breakdown of both names, including popularity trends, gender data, and ancestry information.
Expected bearers
7
1 in 48,964,905
Named Irene
87K
Alive today
Named Jacob
29K
Alive today
US population
343M
Denominator
Estimated living: 87K
Rarity: Uncommon
Gender: Female
Peak year: 1921
Average age: 60
Estimated bearers: 29K
Rarity: Uncommon
Census rank: #1,444
Per 100K: 8.37
Top ancestry: White (60.0%)
First name trend
Irene: popularity over time
Year-by-year SSA birth registrations for the first name Irene. The peak year was 1921 with 10,657 births. The average person named Irene today is 60 years old.
Babies born per year
Ethnicity
Ancestry of the Jacob surname
Self-reported race and ethnicity breakdown for people with the surname Jacob, from the 2010 US Census Bureau. The largest group is White at 60.0%.
- White60.0%
- Asian and Pacific Islander22.5%
- Black or African American10.3%
- Hispanic or Latino4.1%
- Two or more races2.1%
- American Indian and Alaska Native1.0%
Methodology
How we calculated this
The first name Irene has a living-bearer frequency of 0.0253% of the US population, based on 86,627 estimated living Americans carrying this first name (from SSA birth records going back to 1880, adjusted for mortality using CDC life tables).
The surname Jacob appears at a rate of 8.37 per 100,000 residents in the 2010 Census Bureau surname file, which translates to a frequency of 0.0084%.
Multiplying these two independent frequencies against the current US population of 342,754,338 gives an expected count of approximately 7 people with the full name Irene Jacob. This assumes statistical independence between first and last names, which is a simplification but produces reasonable estimates for most combinations.
Related
Other people named Irene
FAQ
Irene Jacob: questions and answers
How many people are named Irene Jacob?
We estimate approximately 7 people in the United States share the full name Irene Jacob. That works out to about 1 in 48,964,905 Americans. This is calculated by combining the first-name frequency (0.0253%) with the surname frequency (8.37 per 100K) against the current US population.
How rare is the name Irene Jacob?
We classify Irene Jacob as "Very Rare". About 1 in 48,964,905 Americans share this exact first and last name combination.
Is Irene a male or female name?
Irene is predominantly female. Out of 356,354 total SSA registrations, 0.4% were male and 99.6% were female. See the full Irene 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.