How many Donald Campbell census records do you have?

We have 4869 US Census records for Donald Campbell, from 1900 to 1950, across 50 states, DC, and 2 territories.

What's in a Donald Campbell census record?

You'll see Donald's age, birthplace, occupation, and relationship to the head of household — plus everyone else who lived in the same home. For 1940 and 1950 records, you can also view the original handwritten census page.

How do I use census records for family research?

Census records are a snapshot of a family every 10 years. You can follow Donald Campbell's household over time — see when children appear, when people move states, and who's living together. YourRoots connects census data with Tree Matching and AI tools so you can build out your tree faster.

Are Donald Campbell census records free?

Yes. All Donald Campbell census records on YourRoots are free to search and view — no subscription required. We built our own index from the original federal census images.

Which census years and states cover Donald Campbell?

We have Donald Campbell records from the 1900 through 1950 US Federal Census, across 50 states, DC, and 2 territories. Use the year and state filters to narrow your results.

How do I find Donald Campbell in the census?

Start by narrowing the year and state. If you know an approximate birth year, use the age column to match — census age minus the census year gives you a birth year estimate. Household members, birthplace, and occupation help confirm you have the right person.

What is the Model Tree for Donald Campbell?

The Model Tree is YourRoots' unique feature that links a person across multiple census decades and reconstructs their likely family — parents, siblings, spouse, and children — based on household patterns. It turns isolated records into a connected family network.

Where does the census data come from?

All records originate from the US Federal Census microfilm digitized by NARA (National Archives and Records Administration). YourRoots re-indexed the original page images using modern AI, catching names and details that older transcriptions missed.

Donald Campbell — US Census Records & Model Tree

We found 4869 free census records for Donald Campbell across 6 census years (1900–1950), in 50 states, DC, and 2 territories and 1117 counties. Each record includes our Model Tree — the same person linked across decades using machine learning, with per-link confidence scores.

Donald Campbell Census Records by State & County

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Showing of 4869 records for Donald Campbell US Census, ranked by Model Tree richness

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Year	Name	Age	Location	Birthplace	Occupation	Relation
1940	Donald Campbell	32	Lackawanna-County, Pennsylvania	Pennsylvania	Church Janitor	Son
1940	Donald Campbell	31	Niagara-County, New York	New York	Repairman	Head
1930	Donald Campbell		Story, Iowa	Iowa	—	Son
1940	Donald Campbell	21	Fairfield-County, Ohio	Ohio	Laborer	Son
1940	Donald Campbell	19	Kings-County, New York	New York	Seaman	Son
1930	Donald Campbell		Salt Lake, Utah	Utah	—	Son
1920	Donald N. Campbell		Santa Barbara, California	California	Receiving Teller	Son
1940	Donald W. Campbell	23	Muskegon-County, Michigan	Michigan	Apprentice Maintenance	Son
1930	Donald G Campbell		Marion, Indiana	Ohio	Civil Eng	Son
1940	Donald Campbell	24	St.-Clair-County, Michigan	Michigan	Salesman	Son
1940	Donald A. Campbell	21	Mahoning-County, Ohio	Ohio	—	Son
1940	Donald E. Campbell	22	Trumbull-County, Ohio	Ohio	Laborer	Son
1940	Donald Campbell	43	Franklin-County, Massachusetts	Rhode Island	Salesman	Head
1930	Donald J Campbell		Tooele, Utah	Utah	Salesman	Son
1940	Donald E. Campbell	31	Clark-County, Ohio	Ohio	Screw Machine Operator	Head
1940	Donald Campbell	36	Hudson-County, New Jersey	Scotland	Teacher	Head
1940	Donald Campbell	33	Kane-County, Illinois	Illinois	Office Clerk	Head
1930	Donald Campbell		Lancaster, Nebraska	Nebraska	Stenographer	Son
1940	Donald Campbell	23	St.-Lawrence-County, New York	New York	Laborer	Son
1940	Donald R Campbell	45	Moultrie-County, Illinois	Illinois	Money Clerk	Head
1940	Donald Campbell	28	St.-Clair-County, Michigan	Michigan	Mate	Head
1930	Donald Campbell		St Clair, Michigan	Michigan	None	Son
1940	Donald R. Campbell	26	Cass-County, Iowa	Iowa	Truck Driver	Head
1930	Donald S Campbell		Wayne, Michigan	Michigan	Manager	Head
1940	Donald Campbell	24	Coles-County, Illinois	Illinois	Newsworker	Son
1940	Donald M. Campbell	23	Clinton-County, Iowa	Iowa	Circular Saw Operator	Son
1930	Donald Campbell		Bronx, New York	Scotland	Handy Man	Head
1930	Donald C. Campbell		Ramsey, Minnesota	Scotland	None	Head
1940	Donald Campbell	19	Ontario-County, New York	New York	Laborer	Son
1940	Donald Campbell	19	Santa-Rosa-County, Florida	Florida	—	Son

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About Donald Campbell US Census Records & Model Tree

We've indexed 4869 free, proprietary US Census records for Donald Campbell across 1900–1950, covering 50 states, DC, and 2 territories: Alabama, Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, District of Columbia, Florida, Georgia, Guam, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Puerto Rico, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming.

Each record includes our Model Tree — a longitudinal reconstruction that links the same person across census decades using machine learning (XGBoost record linkage). Every link carries a confidence score: Verified (≥0.99), Confirmed (≥0.95), or Linked (lower confidence). This tells you not just what the census says, but how reliably we've connected records across time.

Every record also shows the full household — who Donald lived with, their ages, birthplaces, and occupations. For 1940 and 1950 records, you can view the original handwritten census page from the National Archives.

How we build the Model Tree. YourRoots independently indexes US Census records from NARA microfilm and links persons across decades using XGBoost-based record linkage. Each link's confidence is a per-pair match score from the model. Household corroboration (co-residents appearing on the same census pages in multiple years) strengthens the signal. The Model Tree is not a family tree submitted by users — it's reconstructed from the census data itself.

Last updated: July 30, 2026

Frequently Asked Questions

: We have 4869 US Census records for Donald Campbell, from 1900 to 1950, across 50 states, DC, and 2 territories.
: You'll see Donald's age, birthplace, occupation, and relationship to the head of household — plus everyone else who lived in the same home. For 1940 and 1950 records, you can also view the original handwritten census page.
: Census records are a snapshot of a family every 10 years. You can follow Donald Campbell's household over time — see when children appear, when people move states, and who's living together. YourRoots connects census data with Tree Matching and AI tools so you can build out your tree faster.
: Yes. All Donald Campbell census records on YourRoots are free to search and view — no subscription required. We built our own index from the original federal census images.
: We have Donald Campbell records from the 1900 through 1950 US Federal Census, across 50 states, DC, and 2 territories. Use the year and state filters above to narrow your results.
: Start by narrowing the year and state. If you know an approximate birth year, use the age column to match — census age minus the census year gives you a birth year estimate. Household members, birthplace, and occupation help confirm you have the right person.
: The Model Tree is YourRoots' unique feature that links a person across multiple census decades and reconstructs their likely family — parents, siblings, spouse, and children — based on household patterns. It turns isolated records into a connected family network.
: All records originate from the US Federal Census microfilm digitized by NARA (National Archives and Records Administration). YourRoots re-indexed the original page images using modern AI, catching names and details that older transcriptions missed.