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Alexander Brown — US Census Records & Model Tree

We found 3022 free census records for Alexander Brown across 6 census years (1900–1950), in 50 states and DC and 808 counties. Each record includes our Model Tree — the same person linked across decades using machine learning, with per-link confidence scores.

Alexander Brown Census Records by State & County

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Showing of 3022 records for Alexander Brown US Census, ranked by Model Tree richness
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Year Name Age Location Birthplace Occupation Relation
1940 Alexander Brown 44 Providence-County, Rhode Island Rhode Island Building Head
1940 Alexander G. Brown 31 Windham-County, Vermont Vermont Truck Driver Son
1940 Alexander Brown 22 Erie-County, New York Virginia Truck Driver Son
1920 Alexander Brown Union, New Jersey New Jersey — Son
1920 Alexander Brown Baltimore, Maryland Maryland Laborer Head
1920 Alexander Brown Bayfield, Wisconsin Minnesota Farmer Head
1920 Alexander Brown Culpeper, Virginia Virginia Laborer Son
1920 Alexander Brown Kings, New York New York Book Keeper Son
1940 Alexander Brown 40 Sangamon-County, Illinois Illinois Labor Head
1930 Alexander Brown Providence, Rhode Island Scotland Bleacher Head
1930 Alexander Brown Charles, Maryland Maryland Farmer Head
1930 Alexander Brown Baltimore, Maryland Maryland Barber Head
1930 Alexander Brown Kings, New York New York — Head
1930 Alexander C. Brown Cuyahoga, Ohio Ohio — Head
1930 Alexander Brown Camden, New Jersey Maryland Track Department Head
1940 Alexander Brown 58 Philadelphia-County, Pennsylvania Russia Paperhanger Head
1940 Alexander Brown 66 Hudson-County, New Jersey Scotland Pipe Fitter Head
1930 Alexander Brown Kossuth, Iowa Iowa Farm Manager Head
1940 Alexander Brown 45 Queens-County, New York Scotland Chauffeur Head
1910 Alexander S. Brown None, None Scotland Blacksmith Head
1940 Alexander Brown 49 Kings-County, New York Russia Operator Head
1920 Alexander Brown Queens, New York Scotland Stone Cutter Head
1920 Alexander Brown San Francisco, California California Grain Broker Head
1940 Alexander Brown 50 Schuyler-County, New York Scotland Painter Paper Hanger Head
1920 Alexander Brown Nassau, New York New York Builder Head
1940 Alexander Brown 18 New-York-County, New York New York New Worker Son
1920 Alexander Brown Barnwell, South Carolina South Carolina Yes Son
1930 Alexander Brown Henrico, Virginia Virginia — Son
1900 Alexander S Brown 17 Alachua, Florida Florida Farm Laborer Son
1930 Alexander Brown Cook, Illinois Scotland Engineer Head
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About Alexander Brown US Census Records & Model Tree

We've indexed 3022 free, proprietary US Census records for Alexander Brown 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 Alexander 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 3022 US Census records for Alexander Brown, from 1900 to 1950, across 50 states and DC.
You'll see Alexander'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 Alexander 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 Alexander 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 Alexander Brown 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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Brown Family Trees on YourRoots

Researcher-built family trees on YourRoots with other Brown ancestors.

Jonathan Brown
1694–1756 · Family tree

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