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Louis Brown — US Census Records & Model Tree

We found 7748 free census records for Louis Brown across 6 census years (1900–1950), in 50 states, DC, and 1 territory and 1578 counties. Each record includes our Model Tree — the same person linked across decades using machine learning, with per-link confidence scores.

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Showing of 7748 records for Louis Brown US Census, ranked by Model Tree richness
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Year Name Age Location Birthplace Occupation Relation
1930 Louis Brown Kings, New York New York Lawyer Son
1940 Louis Brown 35 Florence-County, South Carolina South Carolina Laborer Head
1920 Louis E. Brown Denver, Colorado Colorado Auto Mechanic Son
1940 Louis Brown 28 Madera-County, California California Laborer Son
1940 Louis Brown 39 Kings-County, New York Russia Salesman Head
1940 Louis Brown 25 Bronx-County, New York New York Bookkeeper Son
1940 Louis J. Brown 31 District-Of-Columbia-County, District of Columbia District of Columbia Painter Son
1940 Louis Brown 49 Cook-County, Illinois Russia Operator Head
1940 Louis Brown 30 Tallahatchie-County, Mississippi Mississippi Tractor Operator Head
1940 Louis Brown 29 Bronx-County, New York New York Slicker Head
1940 Louis Brown 25 Suffolk-County, Massachusetts Massachusetts — Son
1930 Louis Brown New Castle, Delaware Russia — Head
1900 Louis Brown 49 New York, New York Germany House Painter Head
1940 Louis Brown 49 Baltimore-City-County, Maryland Maryland Porter Head
1920 Louis Brown Monroe, New York Hungary Cabinet Maker Head
1920 Louis J. Brown Monmouth, New Jersey New Jersey Doctor Head
1940 Louis J. Brown 51 Duval-County, Florida Florida Salesman Head
1940 Louis Brown 70 Bronx-County, New York Hungary Sign Painter Head
1910 Louis Brown Cecil, Maryland Maryland — Son
1920 Louis Brown Kings, New York New York — Son
1940 Louis Brown 10 West-Feliciana-County, Louisiana Louisiana — Son
1940 Louis Brown 11 New-York-County, New York New York — Son
1910 Louis Brown Clarendon, South Carolina South Carolina Laborer Son
1920 Louis Brown Curry, New Mexico Missouri — Wife
1910 Louis Brown Nevada, Arkansas Arkansas Farm Labour Son
1920 Louis Brown Jackson, Georgia Georgia Farm Laborer Son
1940 Louis Brown 10 Northampton-County, Pennsylvania Pennsylvania — Son
1910 Louis Brown Martin, North Carolina North Carolina Laborer Son
1940 Louis Brown 12 Cuyahoga-County, Ohio Ohio — Son
1920 Louis A Brown Knox, Maine Maine — Son
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About Louis Brown US Census Records & Model Tree

We've indexed 7748 free, proprietary US Census records for Louis Brown across 1900–1950, covering 50 states, DC, and 1 territory: 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, U.S. Virgin Islands, 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 Louis 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 7748 US Census records for Louis Brown, from 1900 to 1950, across 50 states, DC, and 1 territory.
You'll see Louis'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 Louis Brown'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 Louis Brown 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 Louis Brown records from the 1900 through 1950 US Federal Census, across 50 states, DC, and 1 territory. 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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