How Many People Are Named Jack Cardiff?
There are approximately 1 people named Jack Cardiff 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 Jack with Census Bureau frequency data for the surname Cardiff. Below you will find a breakdown of both names, including popularity trends, gender data, and ancestry information.
Estimated People with This Name
1
1 in 342,754,338 Americans
Combination Rarity
Very Rare
First Name
View full profileJack
Last Name
View full profileCardiff
Jack: Popularity Over Time
Year-by-year SSA birth registrations for the first name Jack. The peak year was 1927 with 12,884 births. The average person named Jack today is 38 years old.
Ancestry of the Cardiff Surname
Self-reported race and ethnicity breakdown for people with the surname Cardiff, from the 2010 U.S. Census Bureau.
How we calculated this
The first name "Jack" has an estimated frequency of 0.126% among living Americans, based on SSA birth records from 1880 to 2024 adjusted for mortality using CDC 2023 life tables.
The surname "Cardiff" appears at a rate of 0.17 per 100,000 people in the 2010 U.S. Census.
Multiplying these frequencies against the U.S. population of ~343 million gives 1 estimated people. This assumes first names and last names are statistically independent. Full methodology.
Other people named Jack
Jack Cardiff: Questions and Answers
How many people are named Jack Cardiff?
We estimate approximately 1 people named Jack Cardiff are alive in the United States today. The first name Jack is shared by 432,820 Americans, and the surname Cardiff is shared by 571.
How rare is the name Jack Cardiff?
This name combination is classified as Very Rare, occurring at a rate of about 1 in 342,754,338 Americans. The first name Jack is common and the surname Cardiff is very rare.
Is Jack a male or female name?
Jack is predominantly male, with 99.6% of bearers being male and 0.4% female. It peaked in popularity in 1927 and the average bearer today is 38 years old.
Where does this data come from?
First name data comes from the Social Security Administration (1880 to 2024), adjusted for survival using CDC 2023 life tables. Surname data comes from the 2010 U.S. Census Bureau. Full methodology.
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