How many John Healey census records do you have?

We have 3086 US Census records for John Healey, from 1900 to 1950, across 49 states and DC.

What's in a John Healey 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 Healey'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 Healey census records free?

Yes. All John Healey 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 Healey?

We have John Healey records from the 1900 through 1950 US Federal Census, across 49 states and DC. Use the year and state filters to narrow your results.

How do I find John Healey 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 Healey?

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 Healey — US Census Records & Model Tree

We found 3086 free census records for John Healey across 6 census years (1900–1950), in 49 states and DC and 557 counties. Each record includes our Model Tree — the same person linked across decades using machine learning, with per-link confidence scores.

John Healey Census Records by State & County

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Showing of 3086 records for John Healey US Census, ranked by Model Tree richness

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Year	Name	Age	Location	Birthplace	Occupation	Relation
1940	John Healey	34	Essex-County, Massachusetts	Massachusetts	Clerical	Son
1940	John L. Healey	41	Providence-County, Rhode Island	Rhode Island	Truck Driver	Head
1940	John C. Jr. Healey	29	Bristol-County, Rhode Island	Rhode Island	Asst. Supt. & Salesman	Son
1940	John B. Healey	24	Middlesex-County, Massachusetts	Massachusetts	Laborer	Son
1920	John W. Healey		Middlesex, Massachusetts	Massachusetts	—	Son
1940	John Healey	31	Lackawanna-County, Pennsylvania	Pennsylvania	—	Son
1940	John Healey	35	Middlesex-County, Massachusetts	Connecticut	Inspector	Son
1930	John J Healey		Middlesex, Massachusetts	Massachusetts	—	Son
1930	John F Healey		Providence, Rhode Island	Rhode Island	Polisher	Head
1920	John Healey		New York, New York	Ireland	Watchman	Head
1900	John Healey	51	Worcester, Massachusetts	Ireland	—	Head
1910	John Healey		Middlesex, Massachusetts	Ireland	Yard Porter	Head
1940	John C. Healey	61	Bristol-County, Rhode Island	Rhode Island	Barber	Head
1940	John Healey	48	Norfolk-County, Massachusetts	Rhode Island	Labor	Head
1940	John J. Healey	62	Providence-County, Rhode Island	Rhode Island	Milkman	Head
1920	John Healey		Suffolk, Massachusetts	Ireland	None	Head
1920	John Healey		Bristol, Rhode Island	England	Manager	Head
1930	John Healey		Allegheny, Pennsylvania	England	Laborer	Head
1940	John Healey	16	Wayne-County, Michigan	Michigan	New Worker	Son
1910	John Healey		Middlesex, Massachusetts	Massachusetts	Bookkeeper	Son
1930	John Healey		Providence, Rhode Island	Rhode Island	None	Son
1920	John Healey		Providence, Rhode Island	Ireland	—	Head
1920	John Healey		Middlesex, Massachusetts	Ireland	Laborer	Head
1910	John Healey		Lackawanna, Pennsylvania	Pennsylvania	—	Son
1930	John J. Healey		Providence, Rhode Island	Rhode Island	—	Son
1940	John H. Healey	45	Middlesex-County, Massachusetts	Massachusetts	Garden	Head
1900	John Healey	15	Berkshire, Massachusetts	Massachusetts	Teamster	Son
1940	John Jr. Healey	11	Middlesex-County, Massachusetts	Massachusetts	—	Son
1940	John Healey	32	Suffolk-County, Massachusetts	Massachusetts	Pharmacist	Head
1940	John J. Healey	46	Middlesex-County, Massachusetts	Massachusetts	Dry Goods	Head

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About John Healey US Census Records & Model Tree

We've indexed 3086 free, proprietary US Census records for John Healey across 1900–1950, covering 49 states and DC: Alabama, Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, District of Columbia, Florida, Georgia, 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, 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 3086 US Census records for John Healey, from 1900 to 1950, across 49 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 Healey'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 Healey 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 Healey records from the 1900 through 1950 US Federal Census, across 49 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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