How many John Shields census records do you have?

We have 5130 US Census records for John Shields, from 1900 to 1950, across 49 states and DC.

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

Yes. All John Shields 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 Shields?

We have John Shields 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 Shields 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 Shields?

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 Shields — US Census Records & Model Tree

We found 5130 free census records for John Shields across 6 census years (1900–1950), in 49 states and DC and 1024 counties. Each record includes our Model Tree — the same person linked across decades using machine learning, with per-link confidence scores.

John Shields Census Records by State & County

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Showing of 5130 records for John Shields US Census, ranked by Model Tree richness

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Year	Name	Age	Location	Birthplace	Occupation	Relation
1940	John W. Shields	35	Hamilton-County, Tennessee	Georgia	Candy Maker	Son
1940	John Shields	42	Berkshire-County, Massachusetts	Connecticut	Salesman	Head
1940	John Shields	44	Cheboygan-County, Michigan	Michigan	Farmer	Head
1940	John E. Shields	40	Tulsa-County, Oklahoma	Missouri	Truck Driver	Head
1940	John Shields	23	Middlesex-County, Massachusetts	Massachusetts	Mill Worker	Son
1940	John J. Shields	46	Middlesex-County, Massachusetts	Massachusetts	Iron Work	Head
1940	John M. Shields	26	Providence-County, Rhode Island	Rhode Island	Supply-Man	Son
1940	John Shields	24	Lehigh-County, Pennsylvania	Pennsylvania	Assembly Line	Head
1940	John Shields	21	Hudson-County, New Jersey	New Jersey	Painter	Son
1940	John Shields	36	Wapello-County, Iowa	Iowa	Mechanic	Head
1930	John S Shields		Hamilton, Ohio	Ohio	Lawyer	Son
1940	John Shields	60	Philadelphia-County, Pennsylvania	Ireland	Laborer	Head
1940	John Shields	36	Halifax-County, North Carolina	North Carolina	Plumber	Head
1910	John C. Shields		Tooele, Utah	Scotland	Farmer	Head
1920	John N Shields		Braxton, West Virginia	West Virginia	Farmer	Head
1940	John O. Shields	51	Logan-County, Ohio	Ohio	Farmer	Head
1940	John Shields	62	St.-Clair-County, Missouri	Missouri	Farmer	Head
1930	John Shields		Allegheny, Pennsylvania	Pennsylvania	Steel Worker	Head
1920	John Shields		Jackson, Kansas	Indiana	Retired Farmer	Head
1940	John Shields	58	Worcester-County, Massachusetts	Vermont	Machinist	Head
1940	John Shields	60	Fayette-County, Pennsylvania	Pennsylvania	Superintendent	Head
1940	John H Shields	18	Lowndes-County, Mississippi	Mississippi	Farm Laborer	Son
1920	John Shields		Cheboygan, Michigan	Michigan	Deliveryman	Son
1940	John, E. Shields	17	Cheboygan-County, Michigan	Michigan	—	Son
1930	John Shields		Barrow, Georgia	Georgia	—	Son
1940	John Shields	12	Camden-County, New Jersey	New Jersey	—	Daughter
1940	John Shields	20	Allegheny-County, Pennsylvania	Pennsylvania	Laborer	Son
1910	John Shields		Baltimore, Maryland	Maryland	Florist	Head
1940	John W. Shields	22	Yakima-County, Washington	Washington	Door Man	Son
1930	John Shields		Belmont, Ohio	Ohio	Machinist	Head

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About John Shields US Census Records & Model Tree

We've indexed 5130 free, proprietary US Census records for John Shields 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 5130 US Census records for John Shields, 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 Shields'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 Shields 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 Shields 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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