How many John Shea census records do you have?

We have 9572 US Census records for John Shea, from 1900 to 1950, across 48 states, DC, and 1 territory.

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

Yes. All John Shea 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 Shea?

We have John Shea records from the 1900 through 1950 US Federal Census, across 48 states, DC, and 1 territory. Use the year and state filters to narrow your results.

How do I find John Shea 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 Shea?

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 Shea — US Census Records & Model Tree

We found 9572 free census records for John Shea across 6 census years (1900–1950), in 48 states, DC, and 1 territory and 727 counties. Each record includes our Model Tree — the same person linked across decades using machine learning, with per-link confidence scores.

John Shea Census Records by State & County

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Showing of 9572 records for John Shea US Census, ranked by Model Tree richness

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Year	Name	Age	Location	Birthplace	Occupation	Relation
1920	John Shea		Worcester, Massachusetts	Massachusetts	Pressman	Son
1930	John Shea		Emmons, North Dakota	North Dakota	Farm Laborer	Son
1920	John Shea		Newport, Rhode Island	Rhode Island	—	Son
1940	John Jr. Shea	34	Onondaga-County, New York	New York	Colorer	Head
1940	John Shea	28	Woodbury-County, Iowa	Iowa	Office Clerk	Son
1930	John W. Shea		Pawnee, Kansas	Kansas	Salesman	Son
1940	John Shea	26	Providence-County, Rhode Island	Rhode Island	Grinder	Head
1940	John Shea	26	Lackawanna-County, Pennsylvania	Pennsylvania	Mechanic	Head
1940	John Shea	32	Hudson-County, New Jersey	New Jersey	Stock Clerk	Head
1930	John J. Shea		Hampden, Massachusetts	Massachusetts	Truck Driver	Head
1920	John Shea		New York, New York	Ireland	Laborer	Head
1930	John Shea		Kings, New York	Ireland	Longshoreman	Head
1920	John Shea		New York, New York	Ireland	Foreman	Head
1940	John F. Shea	51	Baltimore-City-County, Maryland	Maryland	Tavern	Head
1920	John J. Shea		Hudson, New Jersey	Rhode Island	Operator	Head
1940	John J. Shea	58	Kings-County, New York	New York State	Houseman	Head
1940	John F. Shea	69	Hampden-County, Massachusetts	Massachusetts	Inspector	Head
1940	John J. Shea	85	Middlesex-County, Massachusetts	Massachusetts	—	Head
1920	John Shea		New York, New York	Ireland	Laborer	Head
1910	John Shea		La Salle, Illinois	Ireland	Laborer	Head
1930	John F Shea		Middlesex, Massachusetts	Massachusetts	Plasterer	Son
1920	John Shea		Erie, New York	New York	—	Son
1910	John Shea		Middlesex, Massachusetts	Ireland	—	Head
1940	John Shea	10	Kings-County, New York	New Jersey	—	Son
1910	John Shea		Allegheny, Pennsylvania	Pennsylvania	—	Son
1910	John G. Shea		Scott, Minnesota	Minnesota	—	Son
1920	John J Shea		Hampden, Massachusetts	Massachusetts	Laborer	Head
1910	John J Shea		Suffolk, Massachusetts	Massachusetts	—	Son
1910	John Shea		None, New York	Connecticut	Driver	Son
1940	John Jr. Shea	11	Worcester-County, Massachusetts	Massachusetts	—	Son

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About John Shea US Census Records & Model Tree

We've indexed 9572 free, proprietary US Census records for John Shea across 1900–1950, covering 48 states, DC, and 1 territory: Alabama, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, District of Columbia, Florida, Georgia, Guam, 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 9572 US Census records for John Shea, from 1900 to 1950, across 48 states, DC, and 1 territory.
: 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 Shea'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 Shea 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 Shea records from the 1900 through 1950 US Federal Census, across 48 states, DC, and 1 territory. 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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