Justain
A masculine name blending Justin and Justin, signifying both fair and just.
Name Census estimates that about 6 living Americans carry the first name Justain. The name is used almost exclusively for boys. The average person named Justain today is around 35 years old, and the year with the single highest number of Justain births was 1990 (6 babies).
This page is the full Name Census profile for Justain. 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.
Key insights
- • Fewer than 100 living Americans are believed to carry the name Justain. It is among the rarest names in the SSA records.
People living today
6
~ 1 in 57,125,723 Americans
Peak year
1990
6 babies that year
Average age
35
years old
1990 SSA rank
#7,618
Tracked since 1990
Popularity
Justain: popularity over time
Babies born per year
Decades
Justain 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 Justain during that decade, along with a combined total. This is useful for spotting eras where the name surged or retreated.
| Decade | Male | Female | Total |
|---|---|---|---|
| 1990s | 6 | 0 | 6 |
Origin
Meaning and history of Justain
The given name Justain has its linguistic origins rooted in the Latin language. It is believed to have derived from the Latin word "justus," which translates to "just" or "fair." This name gained prominence during the Roman era, particularly among those with a strong sense of justice and righteousness.
In the early days of Christianity, Justain became a popular name choice for newborns, as it embodied the virtues of integrity and moral uprightness. It was often bestowed upon individuals who were expected to uphold the principles of justice and fairness in their lives. The name found its way into various religious texts and records, further solidifying its significance in the Christian tradition.
One of the earliest recorded instances of the name Justain can be traced back to the 4th century AD, when it was borne by Saint Justain, a revered Christian martyr who was executed for his unwavering faith during the persecutions under the Roman Emperor Diocletian. His legacy and the valor he displayed in the face of adversity contributed to the name's enduring appeal.
Throughout history, several notable figures have carried the name Justain. One such individual was Justain I (c. 450 – 527), a Byzantine Emperor who reigned from 518 to 527 AD. His reign was marked by significant military victories and the codification of Roman law, known as the Corpus Juris Civilis, which had a profound impact on the legal systems of the Western world.
Another prominent figure was Justain Martyr (c. 100 – c. 165), an early Christian apologist and philosopher. His writings and dialogues defending Christianity against pagan beliefs and philosophical criticisms played a crucial role in shaping the theological discourse of the early Church.
In the 12th century, Justain of Paderborn (c. 1100 – c. 1170) was a German historian and chronicler who documented the life and deeds of Emperor Charlemagne in his work, the "Vita Karoli Magni." His chronicle remains an invaluable source for understanding the Carolingian era.
Furthermore, the name Justain was also borne by Justain Winsor (1831 – 1897), an American writer, librarian, and historian. He is best known for his influential works on the history of America, including the "Narrative and Critical History of America" and the "Memorial History of Boston."
These are just a few examples of the many individuals who have carried the name Justain throughout history, each leaving an indelible mark on their respective fields and contributing to the rich tapestry of this name's legacy.
People
Justain + last name combinations
How many people share a full name with Justain 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
Justain: questions and answers
How many people in the U.S. are named Justain?
Name Census puts the figure at roughly 6 living Americans. We arrive at this by taking every SSA birth registration for Justain 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 57,125,723 US residents.
Is Justain a common name?
We classify Justain as "Very Rare". It ranks above 22.3% of all first names in the SSA dataset by living bearers. Across the full history of the data, 6 babies have been registered with this name.
When was Justain most popular?
The single biggest year for Justain was 1990, when 6 babies received the name. The fact that the average living Justain is about 35 years old gives you a rough sense of which era contributed the most bearers who are still alive today.
What does the SSA popularity chart show?
The chart tracks births, not the number of people alive with the name today. Each point shows how many babies were given the name Justain in that year. That makes it useful for spotting when the name rose, peaked, or faded.
Is Justain a male name?
Yes, 100.0% of people registered as Justain 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.
Is Justain still being used today?
Yes. The SSA still recorded Justain in 2024, and the page above shows its latest-year rank where available. A name can be well past its peak and still remain in steady use, especially if it built up a large population over earlier decades.
Why can a name have a lot of living bearers even if it is not trendy now?
Because living-bearer counts and current baby-name popularity measure different things. A name like Justain can build up a very large population over many decades, even if fewer parents are choosing it now than they did at its peak.
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.
Does every first name have Census demographic data?
No. The public Census first-name release only covers names that met the Bureau's publication rules, so many rarer names in the SSA files do not have a published Census demographic snapshot. In those cases, the page still shows the SSA trend, gender history, and state data.
How many people have Justain as a first name?
For a faster, more casual read, check HowManyOfMe.org — our sister site built around that single question.