2000
#34,904
National surname rank
Recorded bearers 612
First available Census row
Per 100,000 0.23
Very Rare Last name
Chaddock
A surname derived from a location name, possibly from Chaddock near Leek, Staffordshire.
According to the 2020 US Census Bureau surname tables, roughly 633 Americans carry the last name Chaddock. That puts it at #42,328 in the national surname ranking, appearing at a frequency of 0.18 per 100,000 people (about 1 in 541,476 residents).
This page is the full Name Census profile for the Chaddock 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 Chaddock with 1881 census detail, origin facts and modern UK distribution where available.
Bearers in the US
633
1 in 541,476
Census rank
#42,328
2020 decennial data
Per 100,000
0.2
Frequency rate
Recorded bearers
552
very rare in the US
Popularity narrative
The Census Bureau recorded 552 bearers of the surname Chaddock in its 2020 decennial surname file. At a rate of 0.18 per 100,000 residents, it holds the 42328th position in the national surname ranking.
Among Census respondents with the surname Chaddock, the largest self-reported group is White at 91.8%. The next largest groups are Hispanic (3.4%) and Two or More Races (2.9%).
Origin
Meaning and origin of Chaddock
The surname Chaddock has its origins in England, dating back to the 12th century. It is believed to have derived from the Old English words "cad" and "hocce," which together mean "the one from the battle hill." This suggests that the name may have been initially given to someone who lived near a hill where a significant battle took place.
The earliest recorded instance of the name Chaddock can be found in the Pipe Rolls of Lancashire in 1176, where it was spelled "Chadehoch." Over time, various spelling variations emerged, including Chadock, Chadwicke, and Chaddocke, before settling into the modern form of Chaddock.
One notable historical reference to the name Chaddock is found in the Domesday Book of 1086, which mentions a place called "Chadewic" in Lancashire. This place name is believed to be closely related to the surname, lending credence to the theory that the name originated from a specific location.
Among the earliest recorded individuals with the surname Chaddock was John Chaddock, who was born around 1520 in Nether Heywood, Lancashire. He was a prominent landowner and served as a Justice of the Peace during the reign of Queen Elizabeth I.
Another notable figure was Sir Robert Chaddock (1538-1607), a wealthy English merchant and textile manufacturer from Chaddock Hall in Lancashire. He played a significant role in the development of the Lancashire textile industry and served as the High Sheriff of Lancashire in 1597.
In the 17th century, Edward Chaddock (1619-1670) gained recognition as a notable English Puritan minister and author. He was a staunch supporter of the Parliamentarian cause during the English Civil War and wrote several religious works, including "The Immortality of the Soul" and "A Treatise on Growth in Grace."
During the 18th century, James Chaddock (1705-1775) was a well-known English mathematician and astronomer. He held the position of Rector of Kilrush in County Clare, Ireland, and made significant contributions to the field of mathematics through his published works.
Another notable figure was Sir Andrew Chaddock (1757-1834), a British naval officer who served in the Royal Navy during the Napoleonic Wars. He commanded several ships and achieved the rank of Admiral, playing a crucial role in several naval engagements against the French.
These are just a few examples of individuals with the surname Chaddock who left their mark on history in various fields, demonstrating the rich heritage and historical significance associated with this English surname.
Demographics
Ancestry and ethnicity for Chaddock
Among Census respondents with the surname Chaddock, the largest self-reported group is White at 91.8%. The next largest groups are Hispanic (3.4%) and Two or More Races (2.9%).
The bar chart below shows how Chaddock 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 Chaddock surname at the time of the 2020 Census, not any inherent property of the name itself.
- White91.8% · 507
- Hispanic or Latino3.4% · 19
- Two or more races2.9% · 16
- Asian and Pacific Islander1.1% · 6
- American Indian and Alaska Native0.7% · 4
Timeline
Historical Census data for Chaddock
Chaddock 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
#40,204
National surname rank
Recorded bearers 545
-67 bearers (-10.9%)
Per 100,000 0.18
Rank movement Down 5,300 places
2020
#42,328
National surname rank
Recorded bearers 552
+7 bearers (+1.3%)
Per 100,000 0.18
Rank movement Down 2,124 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #34,904 | 612 | 0.23 | First available Census row | First available Census row |
| 2010 | #40,204 | 545 | 0.18 | -67 bearers (-10.9%) | Down 5,300 places |
| 2020 | #42,328 | 552 | 0.18 | +7 bearers (+1.3%) | Down 2,124 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 Chaddock 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 | #40,204 | #42,328 | -5.3% |
| Count | 545 | 552 | 1.3% |
| Per 100K | 0.18 | 0.18 | 2.6% |
Between the 2010 and 2020 Census, the number of Chaddock bearers went from 545 to 552 (+1.3% change). The surname moved down 2,124 positions in the national ranking, going from #40,204 to #42,328.
FAQ
Chaddock surname: questions and answers
How many people in the U.S. have the surname Chaddock?
Name Census estimates that about 633 living Americans carry the surname Chaddock. Using the current population baseline, that works out to roughly 1 in 541,476 residents.
How common is Chaddock?
Chaddock ranks #42,328 in the 2020 Census surname tables and is classified on this site as "Very Rare." The Census recorded the name at a frequency of 0.18 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 552 people with the surname Chaddock. That is different from the site's living-bearer estimate (633), which projects the surname's present-day count by applying the Census frequency rate to the current U.S. population.
What does 0.18 per 100,000 actually mean?
It is the Census Bureau's normalized frequency measure. A rate of 0.18 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 Chaddock.
Has Chaddock become more or less common over time?
Between 2010 and 2020, the surname Chaddock went from 545 recorded bearers to 552. That is an increase of 7 (+1.3%). In the national ranking it fell from #40,204 to #42,328.
What does the Census say about the background of Chaddock?
Among Census respondents with the surname Chaddock, the largest self-reported group is White at 91.8%. The next largest groups are Hispanic (3.4%) and Two or More Races (2.9%). 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 Chaddock in the 2020 Census, accounting for 91.8% (507 people in the source table).
What is the full ancestry breakdown?
Chaddock appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (91.8%), Hispanic (3.4%), Two or More Races (2.9%). 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 Chaddock (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 Chaddock mean?
A surname derived from a location name, possibly from Chaddock near Leek, Staffordshire. 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 Chaddock (0.18 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 Chaddock?
If you just want to know how many people have the last name Chaddock, HowManyOfMe.org gives you the headline number in one glance.