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William Thompson — US Census Records & Model Tree

We found 42204 free census records for William Thompson across 6 census years (1900–1950), in 50 states, DC, and 3 territories and 2702 counties. Each record includes our Model Tree — the same person linked across decades using machine learning, with per-link confidence scores.

William Thompson Census Records by State & County

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Showing of 42204 records for William Thompson US Census, ranked by Model Tree richness
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Year Name Age Location Birthplace Occupation Relation
1920 William Thompson Hinds, Mississippi Mississippi None Son
1910 William Thompson Richland, South Carolina South Carolina — Son
1930 William Thompson New Castle, Delaware Maryland Laborer Head
1900 William Thompson 1 Anderson, South Carolina South Carolina — Son
1930 William Thompson Denver, Colorado Colorado Laborer Son
1920 William Thompson Attala, Mississippi Mississippi Laborer Son
1940 William Thompson 25 Plaquemines-County, Louisiana Louisiana Laborer Son
1930 William Thompson Hinds, Mississippi Mississippi — Son
1920 William Thompson Baltimore, Maryland Maryland Farm Laborer Son
1940 William H. Thompson 44 Merrimack-County, New Hampshire New Hampshire Executive Head
1920 William Thompson Spartanburg, South Carolina South Carolina None Son
1920 William H Thompson Kings, New York New York Reporter Head
1920 William Thompson Fayette, Georgia Georgia Farmer Head
1940 William H Thompson 31 Jones-County, Mississippi Alabama Termite Control Head
1930 William Thompson St Louis, Missouri Missouri Printer Son
1930 William H Thompson Lassen, California California Laborer Son
1920 William O. Thompson Essex, Massachusetts New Hampshire None Head
1940 William Thompson 50 Iberia-County, Louisiana Louisiana Laborer Head
1910 William M Thompson Marion, Indiana Indiana Conductor Head
1900 William Thompson 37 Hickman, Tennessee Tennessee Farmer Head
1940 William Thompson 60 Starke-County, Indiana Indiana Farming Head
1940 William Thompson 68 Woodbury-County, Iowa Iowa Farmer Head
1910 William R Thompson Pulaski, Arkansas Arkansas Farmer Head
1940 William Thompson 69 Clay-County, Mississippi Mississippi — Head
1930 William E. Thompson Lauderdale, Alabama Alabama Blacksmith Head
1940 William W. Thompson 52 Worcester-County, Massachusetts Scotland Foreman Head
1940 William Thompson 67 Philadelphia-County, Pennsylvania England Roadmaster Head
1940 William Thompson 76 Hampden-County, Massachusetts Scotland — Head
1940 William F. Thompson 72 Bennington-County, Vermont New York Farmer Head
1940 William H. Thompson 73 Allegheny-County, Pennsylvania England — Head
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About William Thompson US Census Records & Model Tree

We've indexed 42204 free, proprietary US Census records for William Thompson across 1900–1950, covering 50 states, DC, and 3 territories: Alabama, Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, District of Columbia, Florida, Georgia, Guam, 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, Puerto Rico, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, U.S. Virgin Islands, 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 William 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 42204 US Census records for William Thompson, from 1900 to 1950, across 50 states, DC, and 3 territories.
You'll see William'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 William Thompson'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 William Thompson 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 William Thompson records from the 1900 through 1950 US Federal Census, across 50 states, DC, and 3 territories. 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 Thompson US Census Records

Ada Thompson Agnes Thompson Albert Thompson Alfred Thompson Alice Thompson Andrew Thompson Anna Thompson Annie Thompson Arthur Thompson Barbara Thompson Bernice Thompson Bertha Thompson Bessie Thompson Betty Thompson Carl Thompson Carrie Thompson Catherine Thompson Charles Thompson Charlie Thompson Clara Thompson Clarence Thompson Cora Thompson David Thompson Donald Thompson Dora Thompson Doris Thompson Dorothy Thompson Earl Thompson Edith Thompson Edna Thompson Edward Thompson Elizabeth Thompson Ella Thompson Ellen Thompson Elmer Thompson Emma Thompson Ernest Thompson Ethel Thompson Eugene Thompson Eva Thompson Evelyn Thompson Florence Thompson Frances Thompson Francis Thompson Frank Thompson Fred Thompson George Thompson Gertrude Thompson Gladys Thompson Grace Thompson Harold Thompson Harry Thompson Hattie Thompson Hazel Thompson Helen Thompson Henry Thompson Herbert Thompson Howard Thompson Ida Thompson Irene Thompson Isaac Thompson Jack Thompson James Thompson Jane Thompson Jennie Thompson Jessie Thompson Joe Thompson John Thompson Joseph Thompson Julia Thompson Kenneth Thompson Laura Thompson Lillian Thompson Lillie Thompson Lizzie Thompson Lois Thompson Louis Thompson Louise Thompson Lucy Thompson Lula Thompson Mabel Thompson Maggie Thompson Margaret Thompson Marie Thompson Marion Thompson Martha Thompson Mary Thompson Mattie Thompson Mildred Thompson Minnie Thompson Myrtle Thompson Nancy Thompson Nellie Thompson Oscar Thompson Paul Thompson Pearl Thompson Ralph Thompson Ray Thompson Raymond Thompson Richard Thompson Robert Thompson Rosa Thompson Roy Thompson Ruby Thompson Ruth Thompson Sam Thompson Samuel Thompson Sarah Thompson Thelma Thompson Theodore Thompson Thomas Thompson Virginia Thompson Walter Thompson Willie Thompson
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