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Dorothy Lewis — US Census Records & Model Tree

We found 7207 free census records for Dorothy Lewis across 6 census years (1900–1950), in 50 states and DC and 1490 counties. Each record includes our Model Tree — the same person linked across decades using machine learning, with per-link confidence scores.

Dorothy Lewis Census Records by State & County

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Showing of 7207 records for Dorothy Lewis US Census, ranked by Model Tree richness
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Year Name Age Location Birthplace Occupation Relation
1940 Dorothy M Lewis 31 Middlesex-County, Massachusetts Massachusetts — Wife
1930 Dorothy M. Lewis Putnam, Indiana Indiana Teacher Daughter
1940 Dorothy Lewis 29 Schenectady-County, New York New York Saleslady Daughter
1940 Dorothy Lewis 23 Monroe-County, New York New York — Wife
1940 Dorothy Lewis 23 Essex-County, New Jersey New Jersey — Daughter
1940 Dorothy Lewis 24 Douglas-County, Illinois Illinois Clerk Daughter
1940 Dorothy Lewis 27 Jefferson-County, Kentucky Kentucky Stenographer Daughter
1940 Dorothy Lewis 24 Wayne-County, New York New York Attendant Daughter
1940 Dorothy Lewis 26 Bronx-County, New York New York Clerk Daughter
1940 Dorothy M. Lewis 22 Hudson-County, New Jersey New Jersey Machine Book Keeper Daughter
1940 Dorothy Lewis 25 Hamilton-County, Ohio Ohio — Wife
1940 Dorothy Lewis 43 Hennepin-County, Minnesota Missouri — Wife
1940 Dorothy Lewis 11 Erie-County, Pennsylvania Pennsylvania — Daughter
1920 Dorothy Lewis Shiawassee, Michigan Michigan None Daughter
1920 Dorothy Lewis Albany, New York New York — Daughter
1940 Dorothy Lewis 15 St.-Landry-County, Louisiana Louisiana — Daughter
1930 Dorothy Lewis Fayette, West Virginia West Virginia — Daughter
1930 Dorothy Lewis Union, Louisiana Louisiana — Daughter
1940 Dorothy Lewis 11 Fayette-County, Ohio Ohio — Daughter
1930 Dorothy V Lewis Butler, Pennsylvania Pennsylvania — Daughter
1930 Dorothy Lewis Thomas, Georgia Georgia — Daughter
1930 Dorothy Lewis None, None Illinois — Daughter
1940 Dorothy Lewis 36 Lucas-County, Ohio Ohio — Wife
1930 Dorothy Lewis Escambia, Florida Florida — Daughter
1940 Dorothy L. Lewis 14 Thomas-County, Georgia Georgia — Daughter
1940 Dorothy, J. Lewis 13 Madison-County, Nebraska Nebraska — Daughter
1920 Dorothy Lewis Essex, Massachusetts Massachusetts None Daughter
1940 Dorothy Lewis 11 Bibb-County, Georgia GEORGIA — Daughter
1940 Dorothy M. Lewis 16 Cedar-County, Nebraska Nebraska — Daughter
1910 Dorothy Lewis Montgomery, Alabama Alabama — Daughter

About Dorothy Lewis US Census Records & Model Tree

We've indexed 7207 free, proprietary US Census records for Dorothy Lewis 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 Dorothy 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 7207 US Census records for Dorothy Lewis, from 1900 to 1950, across 50 states and DC.
You'll see Dorothy'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 Dorothy 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 Dorothy 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 Dorothy Lewis 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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