Jj
A double diminutive of the name John, of Hebrew origin.
Name Census estimates that about 711 living Americans carry the first name Jj. The name is used almost exclusively for boys. The average person named Jj today is around 21 years old, and the year with the single highest number of Jj births was 2022 (39 babies).
This page is the full Name Census profile for Jj. Below you will find a gender breakdown showing how the name splits between male and female registrations, a year-by-year popularity chart stretching back to 1880, decade-level totals, the top US states for this name, its meaning and etymology, and a set of frequently asked questions with data-backed answers.
People living today
711
~ 1 in 482,074 Americans
Peak year
2022
39 babies that year
Average age
21
years old
2024 SSA rank
#3,178
Tracked since 1963
Popularity
Jj: popularity over time
The SSA tracks Jj from the 1960s through to the 2020s, spanning 7 decades of birth certificate data. The biggest single decade for the name was the 2010s, with 202 total registrations. The name continues to be given at rates close to its all-time high, suggesting it has not yet fallen out of fashion.
Babies born per year
Decades
Jj by decade
The table below breaks the full SSA timeline into ten-year windows. Each row shows how many male and female babies were given the name Jj during that decade, along with a combined total. This is useful for spotting eras where the name surged or retreated.
Geography
Where Jjs live
The SSA's state-level files cover 4 states and territories. California, Texas, Ohio recorded the most babies named Jj, while Utah, Ohio, Texas recorded the fewest. The average across all reporting states is about 12 registrations each.
Origin
Meaning and history of Jj
The name Jj is a highly unusual and rare given name that is not known to have a clear cultural or linguistic origin. There are no records of this name appearing in ancient texts, religious scriptures, or historical records from any major civilization or language group.
It is possible that Jj is a modern invented name or a misspelling of another name, but it is challenging to find definitive information about its roots or historical usage. There are no famous individuals throughout history who are recorded as having the first name Jj.
While some uncommon names can trace their origins to obscure dialects or regional variations, there is no evidence to suggest that Jj has any such background. It is an enigmatic name that lacks a documented history or cultural significance.
In the absence of any historical references or notable bearers of this name, it is difficult to provide a detailed account of its meaning, etymology, or evolution over time. Jj remains a puzzling and largely unexplained given name without a clear lineage or established heritage.
Notable bearers
Famous people named Jj
People
Jj + last name combinations
How many people share a full name with Jj as the first name? Click a combination below to see the estimate, or search any pairing.
Related
Other names starting with J
Other first names starting with J with a similar number of bearers.
FAQ
Jj: questions and answers
How many people in the U.S. are named Jj?
Name Census puts the figure at roughly 711 living Americans. We arrive at this by taking every SSA birth registration for Jj going back to 1880 and adjusting each cohort for expected survival using CDC actuarial life tables. The result is an age-weighted living-bearer count, not a raw birth total. That works out to about 1 in 482,074 US residents.
Is Jj a common name?
We classify Jj as "Very Rare". It ranks above 87.7% of all first names in the SSA dataset by living bearers. Across the full history of the data, 728 babies have been registered with this name.
When was Jj most popular?
The single biggest year for Jj was 2022, when 39 babies received the name. The fact that the average living Jj is about 21 years old gives you a rough sense of which era contributed the most bearers who are still alive today.
Is Jj a male name?
Yes, 100.0% of people registered as Jj in the SSA data are male. You can see the full per-sex comparison in the gender distribution section above, which includes the latest year rank, birth count, and peak year for each sex.
Where does this data come from?
First-name figures come from the Social Security Administration's national baby name files, which cover every name on a birth certificate from 1880 to 2024. Living-bearer estimates layer in CDC actuarial life tables broken out by sex to account for mortality. The population baseline (342,754,338) is the Census Bureau's latest national estimate. You can read the full calculation on our methodology page.