How many Thomas Shea census records do you have?

We have 3007 US Census records for Thomas Shea, from 1900 to 1950, across 48 states and DC.

What's in a Thomas Shea census record?

You'll see Thomas'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 Thomas 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 Thomas Shea census records free?

Yes. All Thomas 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 Thomas Shea?

We have Thomas Shea 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 Thomas 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 Thomas 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.

Thomas Shea — US Census Records & Model Tree

We found 3007 free census records for Thomas Shea across 6 census years (1900–1950), in 48 states and DC and 385 counties. Each record includes our Model Tree — the same person linked across decades using machine learning, with per-link confidence scores.

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Showing of 3007 records for Thomas Shea US Census, ranked by Model Tree richness

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Year	Name	Age	Location	Birthplace	Occupation	Relation
1940	Thomas Shea	25	St.-Louis-City-County, Missouri	Missouri	Tool Maker	Son
1940	Thomas J Shea	20	Broome-County, New York	New York	Fountain Clerk	Son
1940	Thomas W. Shea	29	Hudson-County, New Jersey	New Jersey	Salesman	Son
1940	Thomas P. Shea	25	Worcester-County, Massachusetts	Massachusetts	Chemist	Son
1930	Thomas J Shea		Middlesex, Massachusetts	Massachusetts	—	Son
1940	Thomas Shea	27	Kings-County, New York	New York	Clerk	Son
1930	Thomas E. Shea		New York, New York	New York	Attorney	Head
1920	Thomas E. Shea		New York, New York	New York	Lawyer	Son
1940	Thomas Shea	40	Allegheny-County, Pennsylvania	Pennsylvania	—	Son
1940	Thomas Shea	37	Hampden-County, Massachusetts	Massachusetts	Insurance Agent	Son
1930	Thomas Shea		New York, New York	New York	Delivery Boy	Son
1940	Thomas B. Shea	34	Bronx-County, New York	New York	Clerk	Head
1940	Thomas Shea	27	Bronx-County, New York	New York	—	Head
1930	Thomas Shea		Bristol, Massachusetts	Massachusetts	Machinist	Son
1940	Thomas Shea	31	Erie-County, New York	New York	Maintenance	Son
1920	Thomas Shea		New York, New York	New York	Oiler	Son
1940	Thomas Shea	34	Suffolk-County, Massachusetts	Massachusetts	Truck Driver	Son
1940	Thomas Shea	43	Bronx-County, New York	New York	Laborer	Head
1920	Thomas Shea		Essex, Massachusetts	Ireland	—	Head
1930	Thomas M. Shea		St Louis, Missouri	Missouri	Manager	Head
1940	Thomas Shea	16	Erie-County, New York	New York	—	Son
1940	Thomas Shea	10	Hampden-County, Massachusetts	Massachusetts	—	Son
1940	Thomas Shea	17	Delta-County, Colorado	Colorado	—	Son
1940	Thomas Shea	15	Suffolk-County, Massachusetts	Massachusetts	—	Son
1940	Thomas P. Shea	13	Davidson-County, Tennessee	Tennessee	—	Son
1940	Thomas Shea	11	Bergen-County, New Jersey	New Jersey	—	Son
1940	Thomas Shea	46	Suffolk-County, Massachusetts	Massachusetts	Guard	Head
1940	Thomas Shea	10	Mahoning-County, Ohio	Ohio	—	Son
1910	Thomas Shea		Kings, New York	New York	—	Son
1940	Thomas Shea	48	New-York-County, New York	New York	Lawyer	Head

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About Thomas Shea US Census Records & Model Tree

We've indexed 3007 free, proprietary US Census records for Thomas Shea across 1900–1950, covering 48 states and DC: Alabama, Alaska, Arizona, Arkansas, California, Colorado, Connecticut, 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 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 Thomas 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 3007 US Census records for Thomas Shea, from 1900 to 1950, across 48 states and DC.
: You'll see Thomas'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 Thomas 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 Thomas 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 Thomas Shea 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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