How many Thomas Carroll census records do you have?

We have 5831 US Census records for Thomas Carroll, from 1900 to 1950, across 50 states and DC.

What's in a Thomas Carroll 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 Carroll'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 Carroll census records free?

Yes. All Thomas Carroll 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 Carroll?

We have Thomas Carroll records from the 1900 through 1950 US Federal Census, across 50 states and DC. Use the year and state filters to narrow your results.

How do I find Thomas Carroll 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 Carroll?

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 Carroll — US Census Records & Model Tree

We found 5831 free census records for Thomas Carroll across 6 census years (1900–1950), in 50 states and DC and 904 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 5831 records for Thomas Carroll US Census, ranked by Model Tree richness

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Year	Name	Age	Location	Birthplace	Occupation	Relation
1930	Thomas V. Carroll		Middlesex, Massachusetts	Massachusetts	Hardware	Head
1930	Thomas M Carroll		Essex, Massachusetts	Massachusetts	Manager	Son
1920	Thomas F. Carroll		Middlesex, Massachusetts	Massachusetts	Watchman	Son
1940	Thomas Carroll	36	Providence-County, Rhode Island	Rhode Island	Forger'S Helper	Head
1940	Thomas H. Carroll	23	Erie-County, New York	New York	Book Finisher	Son
1940	Thomas A Carroll	29	Peoria-County, Illinois	Illinois	Operating Eng	Son
1930	Thomas Carroll		Queens, New York	New York	Teller	Son
1940	Thomas Carroll	26	Kings-County, New York	New York	Mechanic	Head
1940	Thomas Carroll	25	Onondaga-County, New York	New York	Baker	Son
1940	Thomas Carroll	29	Middlesex-County, Massachusetts	Massachusetts	Caretaker	Head
1930	Thomas Carroll		Kings, New York	New York	Inspector	Son
1940	Thomas Carroll	23	Montgomery-County, Pennsylvania	Pennsylvania	New Worker	Son
1920	Thomas Carroll		New York, New York	New York	Salesman	Son
1940	Thomas Carroll	28	Cook-County, Illinois	Illinois	Packer	Head
1940	Thomas Carroll	32	Wyandotte-County, Kansas	Kansas	Asst Civil Engineer	Head
1930	Thomas Carroll		Bronx, New York	New York	Mechanic	Son
1940	Thomas L Carroll	44	Middlesex-County, Massachusetts	Massachusetts	Upholsterer	Head
1920	Thomas Carroll		New York, New York	New York	Correspondent	Son
1940	Thomas J. Carroll	36	Cuyahoga-County, Ohio	Ohio	Excavator	Head
1940	Thomas Carroll	28	Baltimore-City-County, Maryland	Maryland	Attendant	Son
1930	Thomas Carroll		Kings, New York	New York	Policeman	Head
1930	Thomas Carroll		Hudson, New Jersey	New Jersey	Laborer	Head
1930	Thomas J. Carroll		Essex, Massachusetts	Massachusetts	Clerk	Head
1930	Thomas G Carroll		Cook, Illinois	Ireland	Engineer	Head
1900	Thomas Carroll	56	Worcester, Massachusetts	Ireland	Laborer	Head
1920	Thomas Carroll		Hudson, New Jersey	Ireland	Retailer	Head
1920	Thomas Carroll		Middlesex, Massachusetts	Ireland	Mule Spinner	Head
1920	Thomas Carroll		New York, New York	New York	Plasterer	Head
1940	Thomas Carroll	56	Cambria-County, Pennsylvania	Pennsylvania	Machinist	Head
1920	Thomas Carroll		New York, New York	Ireland	Store Keeper	Head

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About Thomas Carroll US Census Records & Model Tree

We've indexed 5831 free, proprietary US Census records for Thomas Carroll across 1900–1950, covering 50 states and DC: Alabama, Alaska, 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, 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 5831 US Census records for Thomas Carroll, from 1900 to 1950, across 50 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 Carroll'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 Carroll 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 Carroll records from the 1900 through 1950 US Federal Census, across 50 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.

Other Carroll US Census Records

Catherine Carroll Charles Carroll Edward Carroll Elizabeth Carroll George Carroll James Carroll John Carroll Joseph Carroll Margaret Carroll Mary Carroll Robert Carroll William Carroll

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