How many William Donahue census records do you have?

We have 3814 US Census records for William Donahue, from 1900 to 1950, across 48 states and DC.

What's in a William Donahue census record?

You'll see William'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 William Donahue'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 William Donahue census records free?

Yes. All William Donahue 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 William Donahue?

We have William Donahue 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 William Donahue 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 William Donahue?

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.

William Donahue — US Census Records & Model Tree

We found 3814 free census records for William Donahue across 6 census years (1900–1950), in 48 states and DC and 616 counties. Each record includes our Model Tree — the same person linked across decades using machine learning, with per-link confidence scores.

William Donahue Census Records by State & County

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Showing of 3814 records for William Donahue US Census, ranked by Model Tree richness

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Year	Name	Age	Location	Birthplace	Occupation	Relation
1930	William H. Donahue		Suffolk, Massachusetts	Massachusetts	Draftsman	Son
1920	William Donahue		Allegheny, Pennsylvania	Pennsylvania	—	Son
1940	William E. Donahue	31	Broome-County, New York	New York	Printer	Son
1930	William J. Donahue		Cuyahoga, Ohio	Ohio	—	Son
1930	William Donahue		Orange, New York	New York	Conductor	Son
1930	William Donahue		Jackson, Kansas	Iowa	Laborer	Head
1940	William H. Donahue	52	St.-Joseph-County, Indiana	Ohio	Owner	Head
1930	William Donahue		New York, New York	New York	—	Head
1930	William Donahue		Richmond, New York	Ireland	Electrician	Head
1930	William E. Donahue		Hennepin, Minnesota	Minnesota	Jewelry Trade	Son
1930	William Donahue		Queens, New York	New York	—	Son
1930	William Donahue		Marion, Indiana	Indiana	None	Son
1940	William Donahue	18	Summit-County, Ohio	New York	None	Son
1930	William Donahue		Queens, New York	New York	—	Son
1940	William J Donahue	51	Sanilac-County, Michigan	Illinois	Farmer	Head
1930	William Donahue		Hocking, Ohio	Ohio	—	Son
1940	William Donahue	33	Suffolk-County, Massachusetts	Massachusetts	Mechanic	Son
1910	William A Donahue		Providence, Rhode Island	Rhode Island	Machinist	Son
1940	William Donahue	12	New-York-County, New York	New York	—	Son
1940	William J Jr Donahue	16	Sanilac-County, Michigan	Michigan	—	Son
1930	William Donahue		Norfolk, Massachusetts	Massachusetts	—	Son
1920	William Donahue		Middlesex, Massachusetts	Massachusetts	—	Son
1940	William Donahue	10	Philadelphia-County, Pennsylvania	Pennsylvania	—	Son
1940	William Jr. Donahue	25	Wayne-County, Michigan	Michigan	Electrical-Man	Son
1930	William Donahue		Hudson, New Jersey	New Jersey	Messenger	Son
1930	William H. Donahue		Suffolk, Massachusetts	Massachusetts	Salesman	Head
1920	William Donahue		Monroe, New York	New York	—	Son
1930	William J Donahue		Jones, Iowa	Iowa	—	Son
1940	William Donahue	28	Essex-County, Massachusetts	Massachusetts	Doffer	Son
1940	William Donahue	10	Columbia-County, Pennsylvania	Pennsylvania	—	Son

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About William Donahue US Census Records & Model Tree

We've indexed 3814 free, proprietary US Census records for William Donahue across 1900–1950, covering 48 states and DC: Alabama, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, District of Columbia, Florida, Georgia, 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, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, 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 William 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 3814 US Census records for William Donahue, from 1900 to 1950, across 48 states and DC.
: You'll see William'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 William Donahue'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 William Donahue 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 William Donahue 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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