2000
#8,214
National surname rank
Recorded bearers 3,714
First available Census row
Per 100,000 1.38
Rare Last name
Just
A descriptive surname referring to a righteous, fair-minded, or morally upright person.
According to the 2020 US Census Bureau surname tables, roughly 4,131 Americans carry the last name Just. That puts it at #8,741 in the national surname ranking, appearing at a frequency of 1.21 per 100,000 people (about 1 in 82,971 residents).
This page is the full Name Census profile for the Just surname. You will find the Census Bureau frequency data, a multi-census history view, an ancestry and ethnicity breakdown based on self-reported demographics, the name's meaning and origin where available, and answers to the most common questions people ask about this surname.
For British records, Name Census UK has a British surname profile for Just with 1881 census detail, origin facts and modern UK distribution where available.
Bearers in the US
4.1K
1 in 82,971
Census rank
#8,741
2020 decennial data
Per 100,000
1.2
Frequency rate
Recorded bearers
3.6K
rare in the US
Popularity narrative
The Census Bureau recorded 3,602 bearers of the surname Just in its 2020 decennial surname file. At a rate of 1.21 per 100,000 residents, it holds the 8741st position in the national surname ranking.
Among Census respondents with the surname Just, the largest self-reported group is White at 91.4%. The next largest groups are Hispanic (3.5%) and Two or More Races (2.6%).
Origin
Meaning and origin of Just
The surname JUST is of English origin and can be traced back to the 13th century. It is believed to have derived from the Old French word "juste," meaning "righteous" or "just." The name likely originated as a descriptive nickname for someone who was known for their fair and honest behavior.
In medieval times, it was common for surnames to arise from personal qualities, occupations, or physical characteristics. The JUST surname may have been initially bestowed upon an individual who was perceived as upright and equitable in their dealings with others.
One of the earliest known references to the JUST surname can be found in the Hundred Rolls of Cambridgeshire, dated 1273. This historical document recorded the name as "Justus" and "le Juste," indicating that the surname was in use during that period.
In the 14th century, the JUST surname appeared in various records across England. John Just was mentioned in the Pipe Rolls of Yorkshire in 1379, while a Thomas Just was recorded in the Corpus Christi Guild Rolls of York in 1399.
During the 16th century, the surname JUST became more widespread across different regions of England. Notable individuals bearing this name included William Just, a merchant from Exeter who lived from 1505 to 1572, and Thomas Just, a clergyman and author who lived from 1550 to 1628.
In the 17th century, the JUST surname gained prominence with individuals such as Sir John Just, a wealthy landowner and Member of Parliament for Truro, Cornwall, who lived from 1597 to 1681. Another notable figure was William Just, an English minister and theologian who authored several religious works and lived from 1615 to 1675.
As the surname spread across England, it also evolved into various spellings, including Juste, Joust, and Jowst. These variations can be found in historical records and may be related to regional dialects or scribal errors.
Some notable individuals with the JUST surname throughout history include:
1. John Just (1639-1721), an English banker and Member of Parliament for Taunton.
2. Samuel Just (1766-1829), an English businessman and philanthropist who established the Just Lectureship in Natural and Experimental Philosophy at Oxford University.
3. Jacob Just (1811-1887), a German-American painter and lithographer known for his landscapes and portraits.
4. Mary Just (1878-1962), an American educator and activist who fought for women's rights and founded the National Association of Women Lawyers.
5. Walter Just (1901-1987), a German-American writer and journalist who covered World War II and wrote extensively on political and social issues.
Demographics
Ancestry and ethnicity for Just
Among Census respondents with the surname Just, the largest self-reported group is White at 91.4%. The next largest groups are Hispanic (3.5%) and Two or More Races (2.6%).
The bar chart below shows how Just bearers described their own race and ethnicity on the 2020 Census form. The Census Bureau groups responses into six broad categories: White, Black or African American, Hispanic or Latino, Asian and Pacific Islander, American Indian and Alaska Native, and Two or More Races. When a category has too few respondents for a given surname, the Bureau suppresses the figure to protect individual privacy, which is why some names show fewer than six slices.
Percentages are shown for every Census year so the breakdown stays comparable over time. When the source file also includes raw headcounts, Name Census shows those alongside the percentages in the legend.
Keep in mind that these are self-reported numbers. A person's surname does not determine their race or ethnicity, and the distribution you see here reflects the specific population who happened to carry the Just surname at the time of the 2020 Census, not any inherent property of the name itself.
- White91.4% · 3,293
- Hispanic or Latino3.5% · 127
- Two or more races2.6% · 93
- Black or African American1.7% · 63
- Asian and Pacific Islander0.4% · 16
- American Indian and Alaska Native0.3% · 10
Timeline
Historical Census data for Just
Just appears in 3 published Census surname files: 2000, 2010, 2020. The cards below show how the name's rank and bearer count changed across each release.
2010
#8,710
National surname rank
Recorded bearers 3,769
+55 bearers (+1.5%)
Per 100,000 1.28
Rank movement Down 496 places
2020
#8,741
National surname rank
Recorded bearers 3,602
-167 bearers (-4.4%)
Per 100,000 1.21
Rank movement Down 31 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #8,214 | 3,714 | 1.38 | First available Census row | First available Census row |
| 2010 | #8,710 | 3,769 | 1.28 | +55 bearers (+1.5%) | Down 496 places |
| 2020 | #8,741 | 3,602 | 1.21 | -167 bearers (-4.4%) | Down 31 places |
For 2020, the Census Bureau published race and Hispanic-origin columns as counts rather than percentages. Name Census converts those counts back into shares so the ancestry section stays comparable with the older surname files.
Year on year
2010 vs 2020 Census
How has the Just surname changed between Census years? The chart shows bearer count side by side, and the table compares rank, count, and frequency.
Census year comparison
20102020
| Metric | 2010 | 2020 | Change |
|---|---|---|---|
| Rank | #8,710 | #8,741 | -0.4% |
| Count | 3,769 | 3,602 | -4.4% |
| Per 100K | 1.28 | 1.21 | -5.9% |
Between the 2010 and 2020 Census, the number of Just bearers went from 3,769 to 3,602 (-4.4% change). The surname moved down 31 positions in the national ranking, going from #8,710 to #8,741.
FAQ
Just surname: questions and answers
How many people in the U.S. have the surname Just?
Name Census estimates that about 4,131 living Americans carry the surname Just. Using the current population baseline, that works out to roughly 1 in 82,971 residents.
How common is Just?
Just ranks #8,741 in the 2020 Census surname tables and is classified on this site as "Rare." The Census recorded the name at a frequency of 1.21 per 100,000 residents, which is about 1 people out of every 100,000.
How many people with this surname were counted in the Census?
The raw 2020 Census file counted 3,602 people with the surname Just. That is different from the site's living-bearer estimate (4,131), which projects the surname's present-day count by applying the Census frequency rate to the current U.S. population.
What does 1.21 per 100,000 actually mean?
It is the Census Bureau's normalized frequency measure. A rate of 1.21 per 100,000 means that if you picked a random group of 100,000 U.S. residents, you would expect about 1 of them to have the surname Just.
Has Just become more or less common over time?
Between 2010 and 2020, the surname Just went from 3,769 recorded bearers to 3,602. That is a decrease of 167 (-4.4%). In the national ranking it fell from #8,710 to #8,741.
What does the Census say about the background of Just?
Among Census respondents with the surname Just, the largest self-reported group is White at 91.4%. The next largest groups are Hispanic (3.5%) and Two or More Races (2.6%). These figures come from the 2020 Census Bureau surname tables, based on how respondents described their own race and ethnicity.
Which group reports this surname most often?
White is the largest self-reported group for the surname Just in the 2020 Census, accounting for 91.4% (3,293 people in the source table).
What is the full ancestry breakdown?
Just appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (91.4%), Hispanic (3.5%), Two or More Races (2.6%). For 2020, the source file also published raw headcounts for each group, which is why this page can show both percentages and counts in the ancestry section.
Is this page using the latest Census data?
Yes. This page is using the latest surname file currently loaded on Name Census, which is 2020. The historical section above also keeps any older Census surname entries we have for Just (2000, 2010, 2020).
Does the Census include every surname?
No. The Census Bureau only publishes surnames that appeared at least 100 times in a given decennial Census. That means very rare surnames are excluded entirely, and a surname can appear in one Census release but disappear from a later one if it falls below the reporting threshold.
Why don't the ancestry percentages always add up to exactly 100%?
There are two main reasons: rounding and suppression. The Census Bureau rounds published values, and it may suppress very small cells to protect privacy. For 2020, the Bureau also published raw group counts rather than direct percentages, so Name Census converts those counts back into shares for comparability across census years.
What does Just mean?
A descriptive surname referring to a righteous, fair-minded, or morally upright person. The fuller origin note on this page goes into more detail.
Where does the surname data come from?
All surname statistics on Name Census are drawn from the US Census Bureau's decennial surname frequency tables. These files list every surname that appeared 100 or more times in the 2020 Census, along with a count, a per-100,000 rate, and a self-reported demographic breakdown. You can read the full explanation on our methodology page.
How does Name Census estimate living bearers?
For surnames, Name Census does not age cohorts the way it does for first names. Instead, it takes the Census Bureau's published frequency for Just (1.21 per 100,000) and applies that rate to the current U.S. resident population to estimate how many living Americans have the surname today.
How many Americans have the surname Just?
HowManyOfMe.org, our sister site, answers that with the living-bearer count in one glance.