2000
#13,766
National surname rank
Recorded bearers 2,018
First available Census row
Per 100,000 0.75
Rare Last name
Lainez
Derived from a Basque topographic name referring to a pastoral site or pastureland.
According to the 2020 US Census Bureau surname tables, roughly 5,137 Americans carry the last name Lainez. That puts it at #7,194 in the national surname ranking, appearing at a frequency of 1.50 per 100,000 people (about 1 in 66,723 residents).
This page is the full Name Census profile for the Lainez 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.
Bearers in the US
5.1K
1 in 66,723
Census rank
#7,194
2020 decennial data
Per 100,000
1.5
Frequency rate
Recorded bearers
4.5K
rare in the US
Popularity narrative
The Census Bureau recorded 4,480 bearers of the surname Lainez in its 2020 decennial surname file. At a rate of 1.50 per 100,000 residents, it holds the 7194th position in the national surname ranking.
Among Census respondents with the surname Lainez, the largest self-reported group is Hispanic at 94.6%. The next largest groups are White (3.3%) and Asian/Pacific Islander (1.1%).
Origin
Meaning and origin of Lainez
The surname Lainez originated in Spain, specifically in the regions of Castile and Andalusia. It is derived from the Spanish word "lain," which means "layman" or "secular person." The earliest recorded instances of this name date back to the 12th and 13th centuries.
During the medieval period, the surname Lainez was often associated with individuals who were not members of the clergy or religious orders. It was a way to distinguish between those who were part of the secular world and those who belonged to the religious realm.
One of the earliest known references to the name Lainez can be found in the cartularies (collection of charters and documents) of monasteries in Castile and Andalusia. These records often mentioned individuals with the surname Lainez in relation to land transactions, legal disputes, or other secular matters.
In the 14th century, a prominent figure named Juan de Lainez (1312-1381) was a military commander who fought in the Battle of Nájera during the Castilian Civil War. He was known for his bravery and strategic skills on the battlefield.
Another notable individual with the surname Lainez was Diego de Lainez (1512-1565), a Spanish Jesuit priest who served as the second Superior General of the Society of Jesus from 1558 until his death. He played a crucial role in the Counter-Reformation and the spread of Jesuit education throughout Europe.
During the 16th and 17th centuries, the surname Lainez was also found in various regions of Spain, including Aragon, Valencia, and Catalonia. One example is Pedro de Lainez (1549-1612), a renowned architect who designed several notable buildings in Valencia, such as the Colegio del Patriarca and the Church of San Andrés.
Another individual of note was María de Lainez (1635-1701), a Spanish writer and poet who gained recognition for her literary works during the Golden Age of Spanish literature. Her poems and plays explored themes of love, religion, and societal issues.
In the 18th century, the surname Lainez was associated with several military figures, including José de Lainez (1718-1792), a Spanish general who participated in the Spanish-Portuguese War and the American Revolutionary War, serving under the Spanish governor of Louisiana.
Throughout its history, the surname Lainez has been found in various spellings, such as Lainhez, Laynez, and Laynes, reflecting regional variations and linguistic evolutions over time.
Demographics
Ancestry and ethnicity for Lainez
Among Census respondents with the surname Lainez, the largest self-reported group is Hispanic at 94.6%. The next largest groups are White (3.3%) and Asian/Pacific Islander (1.1%).
The bar chart below shows how Lainez 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 Lainez surname at the time of the 2020 Census, not any inherent property of the name itself.
- Hispanic or Latino94.6% · 4,236
- White3.3% · 146
- Asian and Pacific Islander1.1% · 48
- Black or African American0.7% · 32
- Two or more races0.3% · 13
- American Indian and Alaska Native0.1% · 5
Timeline
Historical Census data for Lainez
Lainez 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
#8,720
National surname rank
Recorded bearers 3,762
+1,744 bearers (+86.4%)
Per 100,000 1.28
Rank movement Up 5,046 places
2020
#7,194
National surname rank
Recorded bearers 4,480
+718 bearers (+19.1%)
Per 100,000 1.50
Rank movement Up 1,526 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #13,766 | 2,018 | 0.75 | First available Census row | First available Census row |
| 2010 | #8,720 | 3,762 | 1.28 | +1,744 bearers (+86.4%) | Up 5,046 places |
| 2020 | #7,194 | 4,480 | 1.50 | +718 bearers (+19.1%) | Up 1,526 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 Lainez 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 | #8,720 | #7,194 | 17.5% |
| Count | 3,762 | 4,480 | 19.1% |
| Per 100K | 1.28 | 1.50 | 17.1% |
Between the 2010 and 2020 Census, the number of Lainez bearers went from 3,762 to 4,480 (+19.1% change). The surname moved up 1,526 positions in the national ranking, going from #8,720 to #7,194.
FAQ
Lainez surname: questions and answers
How many people in the U.S. have the surname Lainez?
Name Census estimates that about 5,137 living Americans carry the surname Lainez. Using the current population baseline, that works out to roughly 1 in 66,723 residents.
How common is Lainez?
Lainez ranks #7,194 in the 2020 Census surname tables and is classified on this site as "Rare." The Census recorded the name at a frequency of 1.50 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 4,480 people with the surname Lainez. That is different from the site's living-bearer estimate (5,137), which projects the surname's present-day count by applying the Census frequency rate to the current U.S. population.
What does 1.5 per 100,000 actually mean?
It is the Census Bureau's normalized frequency measure. A rate of 1.50 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 Lainez.
Has Lainez become more or less common over time?
Between 2010 and 2020, the surname Lainez went from 3,762 recorded bearers to 4,480. That is an increase of 718 (+19.1%). In the national ranking it rose from #8,720 to #7,194.
What does the Census say about the background of Lainez?
Among Census respondents with the surname Lainez, the largest self-reported group is Hispanic at 94.6%. The next largest groups are White (3.3%) and Asian/Pacific Islander (1.1%). 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?
Hispanic is the largest self-reported group for the surname Lainez in the 2020 Census, accounting for 94.6% (4,236 people in the source table).
What is the full ancestry breakdown?
Lainez appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are Hispanic (94.6%), White (3.3%), Asian/Pacific Islander (1.1%). 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 Lainez (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 Lainez mean?
Derived from a Basque topographic name referring to a pastoral site or pastureland. 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 Lainez (1.50 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 people are called Lainez?
For a quick modern take, check how common the surname Lainez is on our sister site HowManyOfMe.org.