2000
#107,038
National surname rank
Recorded bearers 154
First available Census row
Per 100,000 0.06
Very Rare Last name
Lanfranchi
An Italian surname indicating an ancestral origin from Lombardy region.
According to the 2020 US Census Bureau surname tables, roughly 169 Americans carry the last name Lanfranchi. That puts it at #123,144 in the national surname ranking, appearing at a frequency of 0.05 per 100,000 people (about 1 in 2,028,132 residents).
This page is the full Name Census profile for the Lanfranchi 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
169
1 in 2,028,132
Census rank
#123,144
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
147
very rare in the US
Popularity narrative
The Census Bureau recorded 147 bearers of the surname Lanfranchi in its 2020 decennial surname file. At a rate of 0.05 per 100,000 residents, it holds the 123144th position in the national surname ranking.
Among Census respondents with the surname Lanfranchi, the largest self-reported group is White at 89.8%. The next largest groups are Hispanic (10.2%).
Origin
Meaning and origin of Lanfranchi
The surname Lanfranchi originates from Italy, specifically the region of Tuscany, and can be traced back to the 11th century. It is believed to be derived from the personal name "Lanfranco," which itself comes from the Germanic elements "lan" meaning "land" and "franko" meaning "free" or "Frank."
One of the earliest recorded instances of the name Lanfranchi can be found in the Codex Diplomaticus Amiatinus, a collection of medieval documents from the Abbey of Monte Amiata in Tuscany, dating back to the 11th century. The name appears in various forms, such as "Lanfrancus" and "Lanfrancus de Pisis," suggesting a connection to the city of Pisa.
In the 12th century, the Lanfranchi family was prominent in the city of Pisa, where they played an influential role in the city's political and economic affairs. One notable member was Lamberto Lanfranchi, a wealthy merchant and banker who lived during this period.
The name Lanfranchi also appears in the Libro d'Oro della nobiltà italiana (Book of Gold of the Italian Nobility), a reference work documenting noble families in Italy. This suggests that the Lanfranchi family held a position of nobility and prominence in the region.
One of the most famous individuals with the surname Lanfranchi was Lanfranco Serale (1370-1458), an Italian painter and architect who worked in various cities across northern Italy, including Milan, Pavia, and Cremona. His works can be found in churches and buildings throughout the region.
Another notable figure was Girolamo Lanfranchi (1551-1610), an Italian painter and architect from Parma. He is known for his work in the Palazzo del Giardino in Parma, as well as various churches in the city and surrounding areas.
During the 16th century, the Lanfranchi family had branches in Pisa and Florence, with members holding positions of importance in both cities. One such individual was Bartolomeo Lanfranchi (1545-1624), a prominent lawyer and politician in Florence.
In the 18th century, Vincenzo Lanfranchi (1770-1851) was a renowned Italian architect and engineer from Parma. He was responsible for designing several notable buildings in the city, including the Teatro Regio and the Palazzo Ducale.
Throughout its history, the surname Lanfranchi has been associated with various place names and locations within Italy, particularly in the regions of Tuscany and Emilia-Romagna, where the family had strong roots and influence.
Demographics
Ancestry and ethnicity for Lanfranchi
Among Census respondents with the surname Lanfranchi, the largest self-reported group is White at 89.8%. The next largest groups are Hispanic (10.2%).
The bar chart below shows how Lanfranchi 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 Lanfranchi surname at the time of the 2020 Census, not any inherent property of the name itself.
- White89.8% · 132
- Hispanic or Latino10.2% · 15
Timeline
Historical Census data for Lanfranchi
Lanfranchi 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
#105,600
National surname rank
Recorded bearers 169
+15 bearers (+9.7%)
Per 100,000 0.06
Rank movement Up 1,438 places
2020
#123,144
National surname rank
Recorded bearers 147
-22 bearers (-13.0%)
Per 100,000 0.05
Rank movement Down 17,544 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #107,038 | 154 | 0.06 | First available Census row | First available Census row |
| 2010 | #105,600 | 169 | 0.06 | +15 bearers (+9.7%) | Up 1,438 places |
| 2020 | #123,144 | 147 | 0.05 | -22 bearers (-13.0%) | Down 17,544 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 Lanfranchi 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 | #105,600 | #123,144 | -16.6% |
| Count | 169 | 147 | -13.0% |
| Per 100K | 0.06 | 0.05 | -18.0% |
Between the 2010 and 2020 Census, the number of Lanfranchi bearers went from 169 to 147 (-13.0% change). The surname moved down 17,544 positions in the national ranking, going from #105,600 to #123,144.
Notable bearers
Famous people with the surname Lanfranchi
FAQ
Lanfranchi surname: questions and answers
How many people in the U.S. have the surname Lanfranchi?
Name Census estimates that about 169 living Americans carry the surname Lanfranchi. Using the current population baseline, that works out to roughly 1 in 2,028,132 residents.
How common is Lanfranchi?
Lanfranchi ranks #123,144 in the 2020 Census surname tables and is classified on this site as "Very Rare." The Census recorded the name at a frequency of 0.05 per 100,000 residents, which is about 0 people out of every 100,000.
How many people with this surname were counted in the Census?
The raw 2020 Census file counted 147 people with the surname Lanfranchi. That is different from the site's living-bearer estimate (169), which projects the surname's present-day count by applying the Census frequency rate to the current U.S. population.
What does 0.05 per 100,000 actually mean?
It is the Census Bureau's normalized frequency measure. A rate of 0.05 per 100,000 means that if you picked a random group of 100,000 U.S. residents, you would expect about 0 of them to have the surname Lanfranchi.
Has Lanfranchi become more or less common over time?
Between 2010 and 2020, the surname Lanfranchi went from 169 recorded bearers to 147. That is a decrease of 22 (-13.0%). In the national ranking it fell from #105,600 to #123,144.
What does the Census say about the background of Lanfranchi?
Among Census respondents with the surname Lanfranchi, the largest self-reported group is White at 89.8%. The next largest groups are Hispanic (10.2%). 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 Lanfranchi in the 2020 Census, accounting for 89.8% (132 people in the source table).
What is the full ancestry breakdown?
Lanfranchi appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (89.8%), Hispanic (10.2%). 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 Lanfranchi (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 Lanfranchi mean?
An Italian surname indicating an ancestral origin from Lombardy region. 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 Lanfranchi (0.05 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 have the surname Lanfranchi?
For a quick modern estimate, our sister site HowManyOfMe.org answers that in one glance, with the living-bearer count front and centre.