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Dorothy Clark — US Census Records & Model Tree

We found 8150 free census records for Dorothy Clark across 6 census years (1900–1950), in 50 states and DC and 1579 counties. Each record includes our Model Tree — the same person linked across decades using machine learning, with per-link confidence scores.

Dorothy Clark Census Records by State & County

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Family Members (in same household)
Showing of 8150 records for Dorothy Clark US Census, ranked by Model Tree richness
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Year Name Age Location Birthplace Occupation Relation
1940 Dorothy V. Clark 30 Suffolk-County, Massachusetts Massachusetts Phone Operator Daughter
1940 Dorothy M. Clark 21 Montgomery-County, Mississippi Mississippi — Daughter
1930 Dorothy Clark Queens, New York New York None Daughter
1940 Dorothy M Clark 29 Polk-County, Iowa Iowa Bill Machine Op Daughter
1930 Dorothy Clark Delaware, Indiana Indiana — Daughter
1930 Dorothy Clark Philadelphia, Pennsylvania Pennsylvania Operator Daughter
1940 Dorothy A Clark 21 Baltimore-City-County, Maryland Maryland Private Secretary Daughter
1940 Dorothy Clark 22 Wayne-County, Michigan Michigan — Daughter
1940 Dorothy B. Clark 35 Champaign-County, Illinois Illinois Registration Clerk Daughter
1940 Dorothy A. Clark 21 Erie-County, Ohio Ohio Typist Daughter
1940 Dorothy B. Clark 25 Richmond-City-County, Virginia Virginia — Wife
1920 Dorothy Clark Boone, Missouri Missouri — Daughter
1940 Dorothy Clark 21 Mercer-County, New Jersey New Jersey Operator Daughter
1940 Dorothy Clark 25 Kings-County, New York New York New Worker Daughter
1940 Dorothy Clark 25 Jackson-County, Missouri Missouri — Daughter
1940 Dorothy Clark 21 Essex-County, Massachusetts Massachusetts — Head
1930 Dorothy Clark Ingham, Michigan Michigan Stenographer Daughter
1930 Dorothy J Clark Cook, Illinois Indiana Secretary Daughter
1920 Dorothy Clark Cayuga, New York New York — Daughter
1940 Dorothy Marie Clark 24 Platte-County, Nebraska Nebraska — Daughter
1940 Dorothy Clark 22 Washington-County, Ohio Ohio Teacher Daughter
1940 Dorothy Clark 40 Los-Angeles-County, California California Clerk-Secretary Daughter
1930 Dorothy L. Clark Essex, Massachusetts Massachusetts — Wife
1930 Dorothy S Clark Dunn, Wisconsin Wisconsin None Daughter
1940 Dorothy F. Clark 13 Hamilton-County, Ohio Ohio — Daughter
1940 Dorothy M. Clark 14 Richland-County, South Carolina South Carolina — Daughter
1940 Dorothy A. Clark 11 Camden-County, New Jersey New Jersey — Daughter
1930 Dorothy Clark Utah, Utah Utah — Daughter
1940 Dorothy Clark 16 Mesa-County, Colorado Colorado — Daughter
1930 Dorothy R. Clark Middlesex, New Jersey New Jersey — Daughter

About Dorothy Clark US Census Records & Model Tree

We've indexed 8150 free, proprietary US Census records for Dorothy Clark 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 8150 US Census records for Dorothy Clark, 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 Clark'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 Clark 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 Clark 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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