How Many People Are Named Jill Stjohn?
There are approximately 9 people named Jill Stjohn living in the United States today. That makes this name combination very rare, occurring at a rate of about 1 in 38,083,815 Americans.
This estimate combines SSA birth records for the first name Jill with Census Bureau frequency data for the surname Stjohn. Below you will find a breakdown of both names, including popularity trends, gender data, and ancestry information.
Estimated People with This Name
9
1 in 38,083,815 Americans
Combination Rarity
Very Rare
First Name
View full profileJill
Last Name
View full profileStjohn
Jill: Popularity Over Time
Year-by-year SSA birth registrations for the first name Jill. The peak year was 1966 with 7,885 births. The average person named Jill today is 57 years old.
Ancestry of the Stjohn Surname
Self-reported race and ethnicity breakdown for people with the surname Stjohn, from the 2010 U.S. Census Bureau.
How we calculated this
The first name "Jill" has an estimated frequency of 0.0497% among living Americans, based on SSA birth records from 1880 to 2024 adjusted for mortality using CDC 2023 life tables.
The surname "Stjohn" appears at a rate of 5.37 per 100,000 people in the 2010 U.S. Census.
Multiplying these frequencies against the U.S. population of ~343 million gives 9 estimated people. This assumes first names and last names are statistically independent. Full methodology.
Other people named Jill
Jill Stjohn: Questions and Answers
How many people are named Jill Stjohn?
We estimate approximately 9 people named Jill Stjohn are alive in the United States today. The first name Jill is shared by 170,298 Americans, and the surname Stjohn is shared by 18,037.
How rare is the name Jill Stjohn?
This name combination is classified as Very Rare, occurring at a rate of about 1 in 38,083,815 Americans. The first name Jill is common and the surname Stjohn is uncommon.
Is Jill a male or female name?
Jill is predominantly female, with 0.2% of bearers being male and 99.8% female. It peaked in popularity in 1966 and the average bearer today is 57 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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