How many John Donohue census records do you have?

We have 4056 US Census records for John Donohue, from 1900 to 1950, across 48 states and DC.

What's in a John Donohue census record?

You'll see John'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 John Donohue'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 John Donohue census records free?

Yes. All John Donohue 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 John Donohue?

We have John Donohue records from the 1900 through 1950 US Federal Census, across 48 states and DC. Use the year and state filters to narrow your results.

How do I find John Donohue 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 John Donohue?

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.

John Donohue — US Census Records & Model Tree

We found 4056 free census records for John Donohue across 6 census years (1900–1950), in 48 states and DC and 397 counties. Each record includes our Model Tree — the same person linked across decades using machine learning, with per-link confidence scores.

John Donohue Census Records by State & County

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Showing of 4056 records for John Donohue US Census, ranked by Model Tree richness

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Year	Name	Age	Location	Birthplace	Occupation	Relation
1940	John G Jr Donohue	25	Bergen-County, New Jersey	New Jersey	Messenger	Son
1940	John Donohue	57	Suffolk-County, Massachusetts	Massachusetts	—	Son
1940	John Donohue	40	Middlesex-County, New Jersey	NEW JERSEY	Salesman	Head
1940	John Donohue	34	Hudson-County, New Jersey	New Jersey	Timekeeper	Head
1940	John Donohue	30	St.-Louis-City-County, Missouri	Missouri	Clerk	Son
1940	John A. Donohue	27	Philadelphia-County, Pennsylvania	Pennsylvania	Super Blue Print	Head
1940	John A. Donohue	31	Allegheny-County, Pennsylvania	Pennsylvania	Finisher	Head
1940	John Donohue	62	Bronx-County, New York	Ireland	Officer	Head
1940	John J Donohue	55	Kings-County, New York	Ireland	Fireman	Head
1930	John Donohue		Clay, West Virginia	West Virginia	Farmer	Head
1940	John Donohue	51	Queens-County, New York	Ireland	Chauffeur	Head
1920	John Donohue		Philadelphia, Pennsylvania	Ireland	Laborer	Head
1900	John Donohue	32	Suffolk, Massachusetts	Ireland	Laborer	Head
1940	John Donohue	59	San-Francisco-County, California	Ireland	Watchman	Head
1940	John Donohue	62	Middlesex-County, Massachusetts	Massachusetts	Laborer	Head
1920	John Donohue		New York, New York	Ireland	Elev. Runner	Head
1920	John Donohue		Marion, Indiana	Indiana	—	Son
1930	John Donohue		Cook, Illinois	Illinois	—	Son
1940	John J Donohue	23	Napa-County, California	California	Structural Iron Worker	Son
1930	John Donohue		Philadelphia, Pennsylvania	Pennsylvania	—	Son
1940	John Donohue	44	Philadelphia-County, Pennsylvania	Penna	Marine Machinist	Head
1930	John Donohue		Cuyahoga, Ohio	Ohio	Student Nurse	Son
1940	John P Donohue	39	St.-Louis-City-County, Missouri	Missouri	Factory Worker	Head
1930	John A. Donohue		Luzerne, Pennsylvania	Pennsylvania	Laborer	Head
1940	John Donohue	14	Suffolk-County, Massachusetts	Massachusetts	—	Son
1930	John Jas. Donohue		Hudson, New Jersey	New Jersey	Clerk	Son
1940	John Donohue	17	Allegheny-County, Pennsylvania	Pennsylvania	—	Son
1900	John Donohue	47	Allegheny, Pennsylvania	Pennsylvania	Molder	Head
1940	John P Donohue	19	King-County, Washington	Washington	—	Son
1930	John Donohue		Ramsey, Minnesota	Minnesota	—	Son

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About John Donohue US Census Records & Model Tree

We've indexed 4056 free, proprietary US Census records for John Donohue across 1900–1950, covering 48 states and DC: Alabama, Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, District of Columbia, Florida, Georgia, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, 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 John 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 4056 US Census records for John Donohue, from 1900 to 1950, across 48 states and DC.
: You'll see John'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 John Donohue'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 John Donohue 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 John Donohue records from the 1900 through 1950 US Federal Census, across 48 states and DC. 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.

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