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Walter Mason — US Census Records & Model Tree

We found 3132 free census records for Walter Mason across 6 census years (1900–1950), in 48 states and DC and 945 counties. Each record includes our Model Tree — the same person linked across decades using machine learning, with per-link confidence scores.

Walter Mason Census Records by State & County

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Showing of 3132 records for Walter Mason US Census, ranked by Model Tree richness
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Year Name Age Location Birthplace Occupation Relation
1930 Walter Mason Hudson, New Jersey New Jersey Manager Son
1940 Walter Mason 31 Jefferson-County, Texas Texas Concrete Mixer Head
1940 Walter Jr. Mason 22 Essex-County, Massachusetts Massachusetts Time Keeper Son
1940 Walter L Mason 23 Cherry-County, Nebraska Nebraska Clerk Son
1930 Walter Mason Essex, New Jersey New Jersey — Son
1940 Walter K. Mason 30 Scott-County, Iowa Iowa Service Station Operator Head
1940 Walter R. Mason 22 Adams-County, Illinois Illinois Farmer Son
1930 Walter Mason Crawford, Georgia Georgia Farmer Head
1910 Walter Mason Hinds, Mississippi Mississippi Farmer Head
1940 Walter T. Mason 62 Washington-County, Maryland Maryland State Road Head
1930 Walter R. Sr. Mason Hamilton, Ohio Ohio Salesman Head
1940 Walter H. Mason 49 Essex-County, Massachusetts Massachusetts Machinist Head
1940 Walter S. Mason 50 Carroll-County, New Hampshire New Hampshire Carpenter Head
1940 Walter H Mason 62 Cherry-County, Nebraska Indiana Salesman Head
1940 Walter R Mason 57 Hunt-County, Texas Arkansas Conductor Head
1940 Walter R. Mason 50 Washita-County, Oklahoma Ohio Farming Head
1940 Walter Mason 53 King-County, Washington New York Operator Head
1940 Walter Mason 58 Hardin-County, Illinois Illinois Farmer Head
1940 Walter Mason 62 Tazewell-County, Illinois Illinois Manager Head
1940 Walter Mason 19 Kanawha-County, West Virginia West Virginia — Son
1920 Walter Mason Haywood, Tennessee Tennessee None Son
1930 Walter A. Mason Hudson, New Jersey England Watchman Head
1940 Walter Mason 12 Mahaska-County, Iowa Iowa — Son
1910 Walter L. Mason Fresno, California California Farm Labourer Son
1920 Walter Mason Harnett, North Carolina North Carolina Farm Laborer Son
1920 Walter Mason Bullock, Alabama Alabama — Son
1940 Walter S. Mason 52 Camden-County, New Jersey New Jersey Truck Driver Head
1920 Walter Mason Spotsylvania, Virginia Virginia — Son
1940 Walter Mason 25 Passaic-County, New Jersey New Jersey Counterman Son
1940 Walter Mason 11 Forsyth-County, North Carolina North Carolina — Son

About Walter Mason US Census Records & Model Tree

We've indexed 3132 free, proprietary US Census records for Walter Mason across 1900–1950, covering 48 states and DC: Alabama, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, District of Columbia, Florida, Georgia, 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 Walter 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 3132 US Census records for Walter Mason, from 1900 to 1950, across 48 states and DC.
You'll see Walter'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 Walter Mason'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 Walter Mason 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 Walter Mason records from the 1900 through 1950 US Federal Census, across 48 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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