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James Walsh — US Census Records & Model Tree

We found 12963 free census records for James Walsh across 6 census years (1900–1950), in 50 states, DC, and 2 territories and 956 counties. Each record includes our Model Tree — the same person linked across decades using machine learning, with per-link confidence scores.

James Walsh Census Records by State & County

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Showing of 12963 records for James Walsh US Census, ranked by Model Tree richness
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Year Name Age Location Birthplace Occupation Relation
1920 James Walsh Middlesex, Massachusetts Massachusetts Machine Maker Son
1930 James Walsh Baltimore, Maryland Maryland Cutter Son
1940 James E Walsh 35 Providence-County, Rhode Island Scotland Foreman Son
1930 James Walsh Hudson, New Jersey New Jersey Printer Son
1930 James Walsh New York, New York Ireland Porter Head
1920 James Walsh Essex, Massachusetts Massachusetts Handy Cook Son
1940 James H. Walsh 35 Union-County, Iowa Iowa Painter Son
1940 James R Walsh 39 Cook-County, Illinois Montana Pattern Expediter Head
1940 James Walsh 21 Bristol-County, Massachusetts Massachusetts Piper Son
1940 James Walsh 40 Suffolk-County, Massachusetts Mass Manager Son
1940 James H. Walsh 24 St.-Francois-County, Missouri Missouri Well Driller Head
1930 James Jr. Walsh Cook, Illinois Illinois Filler Son
1930 James F Walsh Kings, New York England Clerk Head
1940 James Walsh 59 Bronx-County, New York Ireland Traveling Head
1940 James Walsh 42 Philadelphia-County, Pennsylvania Ireland Kitchen Helper Head
1940 James Walsh 56 New-York-County, New York Ireland Handy Man Head
1920 James A. Walsh Lewis And Clark, Montana Vermont Attorney Head
1940 James Walsh 55 Bronx-County, New York Ireland Repair Man Head
1940 James Walsh 62 Cook-County, Illinois Ireland Motorman Head
1940 James Walsh 53 King-County, Washington England Watchman Head
1930 James Walsh Essex, Massachusetts England Examiner Head
1940 James Walsh 71 Kings-County, New York Ireland — Head
1940 James Walsh 50 Montgomery-County, Pennsylvania Ireland Laborer Head
1940 James Walsh 65 Bronx-County, New York Ireland Elec Mechanic Head
1930 James Walsh Polk, Iowa Iowa Messenger Son
1910 James Walsh Philadelphia, Pennsylvania Pennsylvania Sizer Son
1930 James Walsh St Louis, Missouri Missouri — Son
1940 James Walsh 13 King-County, Washington Washington — Son
1910 James Walsh Lackawanna, Pennsylvania Pennsylvania — Son
1930 James Walsh Bolivar, Mississippi Mississippi Laborer Son

About James Walsh US Census Records & Model Tree

We've indexed 12963 free, proprietary US Census records for James Walsh across 1900–1950, covering 50 states, DC, and 2 territories: Alabama, Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, District of Columbia, Florida, Georgia, Guam, 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, Puerto Rico, 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 James 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 12963 US Census records for James Walsh, from 1900 to 1950, across 50 states, DC, and 2 territories.
You'll see James'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 James Walsh'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 James Walsh 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 James Walsh records from the 1900 through 1950 US Federal Census, across 50 states, DC, and 2 territories. 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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