2000
#4,304
National surname rank
Recorded bearers 7,628
First available Census row
Per 100,000 2.83
Rare Last name
Haddock
A surname referring to a seller or curer of haddock or other fish.
According to the 2020 US Census Bureau surname tables, roughly 8,519 Americans carry the last name Haddock. That puts it at #4,630 in the national surname ranking, appearing at a frequency of 2.49 per 100,000 people (about 1 in 40,234 residents).
This page is the full Name Census profile for the Haddock 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 Haddock with 1881 census detail, origin facts and modern UK distribution where available.
Bearers in the US
8.5K
1 in 40,234
Census rank
#4,630
2020 decennial data
Per 100,000
2.5
Frequency rate
Recorded bearers
7.4K
rare in the US
Popularity narrative
The Census Bureau recorded 7,429 bearers of the surname Haddock in its 2020 decennial surname file. At a rate of 2.49 per 100,000 residents, it holds the 4630th position in the national surname ranking.
Among Census respondents with the surname Haddock, the largest self-reported group is White at 80.2%. The next largest groups are Hispanic (7.4%) and Black (6.7%).
Origin
Meaning and origin of Haddock
The surname Haddock is of English origin, deriving from the name of a small village in Lancashire, England called Haddock. This village name itself is thought to have originated from the Old English words "hæddre" meaning heather and "ac" meaning oak, suggesting an area where heather and oak trees grew in abundance.
The earliest known recorded spelling of the name Haddock dates back to the 13th century, with a John de Haddoc appearing in the Lancashire Assize Rolls of 1246. The Domesday Book, a great survey of England commissioned by William the Conqueror in 1086, does not contain any direct references to the name Haddock, as the village itself was likely too small at the time to be documented.
In the 14th century, the name appeared in various forms such as Hadoc, Haddok, and Haddoke, reflecting the regional dialects and spelling variations of the time. One notable bearer of the name during this period was Richard Haddock, a wealthy landowner and merchant from Lancashire, born around 1350.
The 16th century saw the emergence of a prominent Haddock family in the town of Warrington, Cheshire. Sir Richard Haddock (1529-1604) was a respected lawyer and served as the town's Mayor in 1586. His son, Captain James Haddock (1567-1635), was a celebrated sailor who participated in several expeditions to the West Indies and the Americas.
In the 18th century, Admiral Sir Richard Haddock (1680-1745) was a distinguished naval officer who played a crucial role in the War of the Austrian Succession. He commanded the British fleet at the Battle of Toulon in 1744, where he decisively defeated the French and Spanish forces.
Another notable figure was Mary Haddock (1762-1841), a pioneering educator from Yorkshire who established one of the first schools for girls in the region. Her innovative teaching methods and commitment to female education earned her widespread recognition during her lifetime.
The 19th century saw the rise of Sir Charles Haddock (1826-1901), a prominent industrialist and philanthropist from Manchester. He founded the Haddock Manufacturing Company, which became a leading producer of textile machinery, and donated generously to various charitable causes in the city.
Throughout history, the Haddock name has been associated with various occupations, from merchants and sailors to lawyers and industrialists, reflecting the diverse backgrounds and achievements of those who bore this name.
Demographics
Ancestry and ethnicity for Haddock
Among Census respondents with the surname Haddock, the largest self-reported group is White at 80.2%. The next largest groups are Hispanic (7.4%) and Black (6.7%).
The bar chart below shows how Haddock 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 Haddock surname at the time of the 2020 Census, not any inherent property of the name itself.
- White80.2% · 5,960
- Hispanic or Latino7.4% · 551
- Black or African American6.7% · 498
- Two or more races3.7% · 278
- American Indian and Alaska Native1.2% · 86
- Asian and Pacific Islander0.8% · 56
Timeline
Historical Census data for Haddock
Haddock 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
#4,472
National surname rank
Recorded bearers 7,940
+312 bearers (+4.1%)
Per 100,000 2.69
Rank movement Down 168 places
2020
#4,630
National surname rank
Recorded bearers 7,429
-511 bearers (-6.4%)
Per 100,000 2.49
Rank movement Down 158 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #4,304 | 7,628 | 2.83 | First available Census row | First available Census row |
| 2010 | #4,472 | 7,940 | 2.69 | +312 bearers (+4.1%) | Down 168 places |
| 2020 | #4,630 | 7,429 | 2.49 | -511 bearers (-6.4%) | Down 158 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 Haddock 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 | #4,472 | #4,630 | -3.5% |
| Count | 7,940 | 7,429 | -6.4% |
| Per 100K | 2.69 | 2.49 | -7.6% |
Between the 2010 and 2020 Census, the number of Haddock bearers went from 7,940 to 7,429 (-6.4% change). The surname moved down 158 positions in the national ranking, going from #4,472 to #4,630.
FAQ
Haddock surname: questions and answers
How many people in the U.S. have the surname Haddock?
Name Census estimates that about 8,519 living Americans carry the surname Haddock. Using the current population baseline, that works out to roughly 1 in 40,234 residents.
How common is Haddock?
Haddock ranks #4,630 in the 2020 Census surname tables and is classified on this site as "Rare." The Census recorded the name at a frequency of 2.49 per 100,000 residents, which is about 2 people out of every 100,000.
How many people with this surname were counted in the Census?
The raw 2020 Census file counted 7,429 people with the surname Haddock. That is different from the site's living-bearer estimate (8,519), which projects the surname's present-day count by applying the Census frequency rate to the current U.S. population.
What does 2.49 per 100,000 actually mean?
It is the Census Bureau's normalized frequency measure. A rate of 2.49 per 100,000 means that if you picked a random group of 100,000 U.S. residents, you would expect about 2 of them to have the surname Haddock.
Has Haddock become more or less common over time?
Between 2010 and 2020, the surname Haddock went from 7,940 recorded bearers to 7,429. That is a decrease of 511 (-6.4%). In the national ranking it fell from #4,472 to #4,630.
What does the Census say about the background of Haddock?
Among Census respondents with the surname Haddock, the largest self-reported group is White at 80.2%. The next largest groups are Hispanic (7.4%) and Black (6.7%). 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 Haddock in the 2020 Census, accounting for 80.2% (5,960 people in the source table).
What is the full ancestry breakdown?
Haddock appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (80.2%), Hispanic (7.4%), Black (6.7%). 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 Haddock (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 Haddock mean?
A surname referring to a seller or curer of haddock or other fish. 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 Haddock (2.49 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 share the surname Haddock?
For a quick modern estimate, our sister site HowManyOfMe.org answers that in one glance, with the living-bearer count front and centre.