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Thomas Mcdonough — US Census Records & Model Tree

We found 2915 free census records for Thomas Mcdonough across 6 census years (1900–1950), in 46 states and DC and 367 counties. Each record includes our Model Tree — the same person linked across decades using machine learning, with per-link confidence scores.

Thomas Mcdonough Census Records by State & County

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Showing of 2915 records for Thomas Mcdonough US Census, ranked by Model Tree richness
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Year Name Age Location Birthplace Occupation Relation
1940 Thomas J. Mcdonough 38 Ramsey-County, Minnesota Minnesota Asst Manager Head
1940 Thomas Mcdonough 28 Cuyahoga-County, Ohio Ohio Call Boy Son
1920 Thomas Mcdonough Albany, New York New York — Son
1940 Thomas Mcdonough 26 Cook-County, Illinois Illinois Plaster Laborer Son
1930 Thomas Mcdonough Bronx, New York New York Inspector Head
1940 Thomas Mcdonough 32 Montgomery-County, Pennsylvania Pennsylvania Dispatcher Head
1940 Thomas Mcdonough 61 Allegheny-County, Pennsylvania England Carpenter Head
1940 Thomas Mcdonough 60 Suffolk-County, Massachusetts Ireland — Head
1940 Thomas Mcdonough 13 Suffolk-County, Massachusetts Massachusetts — Son
1930 Thomas Mcdonough Philadelphia, Pennsylvania Penna Chauffeur Son
1940 Thomas Mcdonough 16 Essex-County, Massachusetts Massachusetts — Son
1910 Thomas Mcdonough Worcester, Massachusetts Ireland Helper Head
1910 Thomas E. Mcdonough Wabasha, Minnesota Minnesota Salesman Head
1930 Thomas Mcdonough Albany, New York New York — Son
1940 Thomas Mcdonough 13 Philadelphia-County, Pennsylvania Pennsylvania — Son
1920 Thomas Mcdonough Mahoning, Ohio Ohio — Son
1920 Thomas Mcdonough Middlesex, Massachusetts Ireland Laborer Head
1940 Thomas J. Jr. Mcdonough 16 Middlesex-County, Massachusetts Massachusetts — Son
1920 Thomas Mcdonough Mahoning, Ohio Ohio Fireman Head
1930 Thomas E Mcdonough Los Angeles, California California — Son
1910 Thomas Mcdonough Lackawanna, Pennsylvania Wales Laborer Head
1940 Thomas Mcdonough 24 Suffolk-County, Massachusetts Massachusetts Longshoreman Son
1910 Thomas J Mcdonough Kennebec, Maine Maine Jack Puller Son
1920 Thomas Mcdonough Luzerne, Pennsylvania Pennsylvania Truck Driver Son
1930 Thomas J Mcdonough Suffolk, Massachusetts Massachusetts Laborer Head
1910 Thomas Mcdonough Essex, New Jersey New Jersey Mason Head
1910 Thomas Mcdonough New York, New York Ireland Helper Head
1940 Thomas Mcdonough 50 Sauk-County, Wisconsin Wisconsin Farmer Head
1940 Thomas Mcdonough 17 Suffolk-County, Massachusetts Massachusetts — Son
1940 Thomas Mcdonough 14 Prince-George'S-County, Maryland Virginia — Son

About Thomas Mcdonough US Census Records & Model Tree

We've indexed 2915 free, proprietary US Census records for Thomas Mcdonough across 1900–1950, covering 46 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, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, 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 Thomas 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 2915 US Census records for Thomas Mcdonough, from 1900 to 1950, across 46 states and DC.
You'll see Thomas'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 Thomas Mcdonough'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 Thomas Mcdonough 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 Thomas Mcdonough records from the 1900 through 1950 US Federal Census, across 46 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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