2010
#153,769
National surname rank
Recorded bearers 106
First available Census row
Per 100,000 0.04
Very Rare Last name
Tredennick
A British surname derived from a place name in Cornwall.
According to the 2020 US Census Bureau surname tables, roughly 118 Americans carry the last name Tredennick. That puts it at #154,182 in the national surname ranking, appearing at a frequency of 0.03 per 100,000 people (about 1 in 2,904,698 residents).
This page is the full Name Census profile for the Tredennick 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
118
1 in 2,904,698
Census rank
#154,182
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
103
very rare in the US
Popularity narrative
The Census Bureau recorded 103 bearers of the surname Tredennick in its 2020 decennial surname file. At a rate of 0.03 per 100,000 residents, it holds the 154182nd position in the national surname ranking.
Among Census respondents with the surname Tredennick, the largest self-reported group is White at 95.1%. The next largest groups are Two or More Races (2.9%) and Asian/Pacific Islander (1.9%).
Origin
Meaning and origin of Tredennick
The surname Tredennick has its origins in the county of Cornwall in England, dating back to the 12th century. It is derived from the Cornish place name "Tre-denick," meaning "the homestead on the hill." This place name was likely formed from the Cornish words "tre" (homestead) and "denick" (hill).
One of the earliest recorded instances of the name can be found in the Assize Rolls of Cornwall from 1284, where a William de Tredeneke is mentioned. This spelling variation highlights the evolution of the name over time. The Tredennick family was well-established in Cornwall, with various branches holding lands and estates in the region.
In the 16th century, the Tredennick name appeared in the Parish Registers of St. Columb Major in Cornwall. Notable individuals from this period include John Tredennick (1525-1598), a prominent landowner and member of the local gentry.
The Tredennick family also had connections to the nearby town of Bodmin, with records showing a Richard Tredennick (1612-1684) serving as the Mayor of Bodmin in the mid-17th century. This highlights the family's involvement in local governance and administration.
Moving into the 18th century, the Tredennick surname spread beyond Cornwall, with instances recorded in other parts of England. One notable figure was Sir John Tredennick (1720-1793), a successful merchant and Member of Parliament for the borough of Lostwithiel in Cornwall.
In the 19th century, the name continued to be associated with Cornwall, with individuals like William Tredennick (1815-1887), a prominent mining engineer and geologist who made significant contributions to the understanding of the region's mineral resources.
Other notable individuals with the Tredennick surname include:
1. Edward Tredennick (1630-1701), a Cornish landowner and justice of the peace.
2. Mary Tredennick (1745-1824), a renowned Cornish poet and author.
3. Thomas Tredennick (1776-1853), a successful businessman and philanthropist from Truro, Cornwall.
4. James Tredennick (1805-1879), a Cornish mining engineer and inventor.
5. Elizabeth Tredennick (1856-1920), a prominent educator and headmistress in Cornwall.
While the name Tredennick is relatively uncommon, it maintains a strong connection to its Cornish roots and has left an indelible mark on the history and culture of the region.
Demographics
Ancestry and ethnicity for Tredennick
Among Census respondents with the surname Tredennick, the largest self-reported group is White at 95.1%. The next largest groups are Two or More Races (2.9%) and Asian/Pacific Islander (1.9%).
The bar chart below shows how Tredennick 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 Tredennick surname at the time of the 2020 Census, not any inherent property of the name itself.
- White95.1% · 98
- Two or more races2.9% · 3
- Asian and Pacific Islander1.9% · 2
Timeline
Historical Census data for Tredennick
Tredennick appears in 2 published Census surname files: 2010, 2020. The cards below show how the name's rank and bearer count changed across each release.
2020
#154,182
National surname rank
Recorded bearers 103
-3 bearers (-2.8%)
Per 100,000 0.03
Rank movement Down 413 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2010 | #153,769 | 106 | 0.04 | First available Census row | First available Census row |
| 2020 | #154,182 | 103 | 0.03 | -3 bearers (-2.8%) | Down 413 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 Tredennick 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 | #153,769 | #154,182 | -0.3% |
| Count | 106 | 103 | -2.8% |
| Per 100K | 0.04 | 0.03 | -13.9% |
Between the 2010 and 2020 Census, the number of Tredennick bearers went from 106 to 103 (-2.8% change). The surname moved down 413 positions in the national ranking, going from #153,769 to #154,182.
FAQ
Tredennick surname: questions and answers
How many people in the U.S. have the surname Tredennick?
Name Census estimates that about 118 living Americans carry the surname Tredennick. Using the current population baseline, that works out to roughly 1 in 2,904,698 residents.
How common is Tredennick?
Tredennick ranks #154,182 in the 2020 Census surname tables and is classified on this site as "Very Rare." The Census recorded the name at a frequency of 0.03 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 103 people with the surname Tredennick. That is different from the site's living-bearer estimate (118), which projects the surname's present-day count by applying the Census frequency rate to the current U.S. population.
What does 0.03 per 100,000 actually mean?
It is the Census Bureau's normalized frequency measure. A rate of 0.03 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 Tredennick.
Has Tredennick become more or less common over time?
Between 2010 and 2020, the surname Tredennick went from 106 recorded bearers to 103. That is a decrease of 3 (-2.8%). In the national ranking it fell from #153,769 to #154,182.
What does the Census say about the background of Tredennick?
Among Census respondents with the surname Tredennick, the largest self-reported group is White at 95.1%. The next largest groups are Two or More Races (2.9%) and Asian/Pacific Islander (1.9%). 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 Tredennick in the 2020 Census, accounting for 95.1% (98 people in the source table).
What is the full ancestry breakdown?
Tredennick appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (95.1%), Two or More Races (2.9%), Asian/Pacific Islander (1.9%). 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 Tredennick (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 Tredennick mean?
A British surname derived from a place name in Cornwall. 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 Tredennick (0.03 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 Tredennick?
You can see how many people have the last name Tredennick on our sister site HowManyOfMe.org — same data roots, lighter UI.