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Eugene Clark — US Census Records & Model Tree

We found 3136 free census records for Eugene Clark across 6 census years (1900–1950), in 50 states and DC and 1030 counties. Each record includes our Model Tree — the same person linked across decades using machine learning, with per-link confidence scores.

Eugene Clark Census Records by State & County

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Family Members (in same household)
Showing of 3136 records for Eugene Clark US Census, ranked by Model Tree richness
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Year Name Age Location Birthplace Occupation Relation
1940 Eugene Clark 18 Champaign-County, Illinois Illinois — Son
1920 Eugene Clark San Francisco, California California Clerk Son
1920 Eugene M. Clark Essex, New Jersey New Jersey Janitor Son
1940 Eugene Clark 38 Queens-County, New York New York Supervisor Head
1920 Eugene A. Clark Essex, New Jersey New Jersey Japanner Head
1940 Eugene Clark 50 Middlesex-County, Connecticut Vermont Salesman Head
1940 Eugene R. Clark 72 Westchester-County, New York Massachusetts Salesman Head
1930 Eugene M. Clark Hennepin, Minnesota Wisconsin Inspector Head
1940 Eugene Clark 20 Edgefield-County, South Carolina South Carolina Wage Hand Son
1920 Eugene Clark Montgomery, North Carolina North Carolina Laborer Son
1940 Eugene Clark 12 Bureau-County, Illinois Illinois — Son
1940 Eugene Clark 18 Sullivan-County, Tennessee Tennessee New Worker Son
1940 Eugene Clark 17 Miami-County, Kansas Kansas — Son
1940 Eugene Clark 13 Weld-County, Colorado Colorado — Son
1910 Eugene S Clark Bladen, North Carolina North Carolina None Son
1940 Eugene Clark 13 Rock-County, Wisconsin Wisconsin — Son
1940 Eugene Clark 15 Bergen-County, New Jersey New Jersey — Son
1940 Eugene Clark 18 Henry-County, Indiana Indiana Helper Son
1920 Eugene Clark Monroe, Georgia Georgia Farmer Head
1910 Eugene Clark Fayette, Texas Texas Farm Laborer Son
1940 Eugene Clark 38 Ramsey-County, Minnesota Oklahoma Bus Depot Head
1940 Eugene Clark 57 Lee-County, Arkansas Mississippi Farmer Head
1930 Eugene Clark Jefferson, Kentucky Kentucky — Son
1940 Eugene O. Clark 17 Linn-County, Iowa Iowa — Son
1940 Eugene Clark 17 Mclennan-County, Texas Texas Housework Son
1940 Eugene Clark 14 Yavapai-County, Arizona Arizona — Son
1940 Eugene Clark 18 Adams-County, Illinois Illinois Truck Driver Son
1930 Eugene Clark Saluda, South Carolina South Carolina Laborer Son
1920 Eugene Clark Menard, Illinois Kentucky Laborer Son
1930 Eugene Clark Buncombe, North Carolina South Carolina — Son

About Eugene Clark US Census Records & Model Tree

We've indexed 3136 free, proprietary US Census records for Eugene 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 Eugene 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 3136 US Census records for Eugene Clark, from 1900 to 1950, across 50 states and DC.
You'll see Eugene'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 Eugene 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 Eugene 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 Eugene 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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