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Robert Lewis — US Census Records & Model Tree

We found 19681 free census records for Robert Lewis across 6 census years (1900–1950), in 50 states, DC, and 3 territories and 2204 counties. Each record includes our Model Tree — the same person linked across decades using machine learning, with per-link confidence scores.

Robert Lewis Census Records by State & County

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Family Members (in same household)
Showing of 19681 records for Robert Lewis US Census, ranked by Model Tree richness
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Year Name Age Location Birthplace Occupation Relation
1940 Robert Lewis 32 Lauderdale-County, Tennessee Tennessee Bookkeeper Son
1930 Robert G Lewis Comanche, Texas Alabama Farmer Head
1940 Robert E Lewis 21 Montgomery-County, Ohio Ohio Mechanic Son
1940 Robert Lewis 27 Boyle-County, Kentucky Kentucky Chief Timekeeper Son
1920 Robert G Jr Lewis Lauderdale, Mississippi Mississippi Clerk Son
1940 Robert L. Lewis 21 Effingham-County, Illinois Illinois Salesman Son
1940 Robert C. Lewis 39 Adams-County, Colorado Illinois Hay Foreman Head
1940 Robert C Lewis 23 Berrien-County, Michigan Michigan Bookkeeper Son
1940 Robert Lewis 22 Oceana-County, Michigan Michigan New Worker Son
1940 Robert Lewis 33 Rock-Island-County, Illinois Illinois Machine Worker Head
1920 Robert Lewis Laurens, Georgia Georgia Farmer Head
1910 Robert Lewis Muhlenberg, Kentucky Kentucky — Son
1930 Robert Lewis Marion, Indiana Kentucky Presser Head
1930 Robert Lewis Dodge, Georgia Georgia Painter Head
1920 Robert Lewis Mcdonough, Illinois Illinois Laborer Son
1940 Robert T Lewis 31 Allegheny-County, Pennsylvania Pennsylvania Warehouseman Head
1940 Robert C. Lewis 37 Fayette-County, Indiana Indiana Tool Maker Head
1940 Robert Lewis 25 Morgan-County, Indiana Indiana Helper Father Son
1930 Robert Lewis St Landry, Louisiana Louisiana Laborer Head
1940 Robert S. Lewis 34 St.-Clair-County, Illinois Iowa Asst. Credit Man Son
1920 Robert Lewis Cheboygan, Michigan Michigan Farmer Son
1940 Robert F. Lewis 23 Summit-County, Ohio Ohio Salesman Head
1940 Robert Lewis 26 Lincoln-County, Louisiana Louisiana Laborer Head
1940 Robert Lewis 22 Doddridge-County, West Virginia West Virginia — Son
1940 Robert Lewis 25 Fairfield-County, South Carolina South Carolina Delivery Boy Head
1930 Robert Lewis Marion, Tennessee Tennessee Coater Head
1940 Robert E. Lewis 74 Richmond-City-County, Virginia Virginia — Head
1940 Robert Lewis 37 Washington-County, Mississippi Mississippi Farmer Head
1930 Robert Lewis Hinds, Mississippi Mississippi Mechanic Head
1940 Robert H. Lewis 70 Rockcastle-County, Kentucky Tennessee Medical Doctor Head

About Robert Lewis US Census Records & Model Tree

We've indexed 19681 free, proprietary US Census records for Robert Lewis 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 Robert 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 19681 US Census records for Robert Lewis, from 1900 to 1950, across 50 states, DC, and 3 territories.
You'll see Robert'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 Robert Lewis'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 Robert Lewis 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 Robert Lewis 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.
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