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Thomas Watson — US Census Records & Model Tree

We found 5760 free census records for Thomas Watson across 6 census years (1900–1950), in 50 states and DC and 1357 counties. Each record includes our Model Tree — the same person linked across decades using machine learning, with per-link confidence scores.

Thomas Watson Census Records by State & County

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Family Members (in same household)
Showing of 5760 records for Thomas Watson US Census, ranked by Model Tree richness
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Year Name Age Location Birthplace Occupation Relation
1940 Thomas Watson 45 Passaic-County, New Jersey New Jersey Laborer Head
1930 Thomas B. Watson Bertie, North Carolina North Carolina — Son
1930 Thomas H Watson Wilson, North Carolina North Carolina — Son
1940 Thomas Watson 36 Bergen-County, New Jersey England Architect Head
1930 Thomas Watson Essex, Massachusetts Scotland Carpenter Head
1920 Thomas Watson Carroll, Georgia Georgia Farmer Head
1940 Thomas O Watson 53 Mccracken-County, Kentucky Kentucky Car Dist. Head
1920 Thomas Watson Allegheny, Pennsylvania Pennsylvania Upholsterer Head
1940 Thomas W. Watson 67 Talladega-County, Alabama Alabama Farming Head
1940 Thomas Watson 61 Lorain-County, Ohio England Accountant Head
1940 Thomas J Watson 10 Pike-County, Georgia Georgia — Son
1940 Thomas Watson 52 Jefferson-County, Kentucky Kentucky Attendant Head
1940 Thomas Watson 18 St.-Helena-County, Louisiana Louisiana Farm Laborer Son
1940 Thomas Watson 21 Jefferson-County, Kentucky Kentucky Assembler Son
1930 Thomas J. Watson Terrell, Georgia Georgia Laborer Son
1910 Thomas S. Watson Watauga, North Carolina North Carolina Salesman Head
1910 Thomas Watson Champaign, Illinois England Section Head
1940 Thomas Watson 44 Watauga-County, North Carolina North Carolina Farmer Head
1940 Thomas Watson 21 Allegheny-County, Pennsylvania Pennsylvania Laborer Son
1930 Thomas D Watson Rockdale, Georgia Georgia — Son
1910 Thomas Jr Watson Crawford, Georgia Georgia — Son
1930 Thomas Watson Lincoln, West Virginia West Virginia Farmer Head
1910 Thomas Watson Passaic, New Jersey Scotland Sharper Head
1930 Thomas Watson Lee, South Carolina South Carolina — Son
1910 Thomas J Watson Clark, Illinois Illinois Farmer Head
1920 Thomas J. Watson Giles, Tennessee Tennessee — Son
1940 Thomas Jr Watson 19 Saluda-County, South Carolina South Carolina — Son
1940 Thomas Watson 11 Giles-County, Tennessee Tennessee — Son
1930 Thomas Watson Kings, New York Scotland Dealer Head
1940 Thomas F. Watson 20 Clark-County, Indiana Indiana Truck Driver Son

About Thomas Watson US Census Records & Model Tree

We've indexed 5760 free, proprietary US Census records for Thomas Watson 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 5760 US Census records for Thomas Watson, 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 Watson'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 Watson 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 Watson 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.
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