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John Gregory — US Census Records & Model Tree

We found 6287 free census records for John Gregory across 6 census years (1900–1950), in 49 states and DC and 1317 counties. Each record includes our Model Tree — the same person linked across decades using machine learning, with per-link confidence scores.

John Gregory Census Records by State & County

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Family Members (in same household)
Showing of 6287 records for John Gregory US Census, ranked by Model Tree richness
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Year Name Age Location Birthplace Occupation Relation
1940 John B. Jr. Gregory 24 Worcester-County, Massachusetts Massachusetts Laundry Son
1920 John Gregory Schenectady, New York New York None Son
1940 John Gregory 22 Buchanan-County, Missouri Missouri Laborer Son
1930 John Gregory Henrico, Virginia Virginia — Son
1920 John W. Gregory Valley, Nebraska Nebraska Farm Laborer Son
1940 John Gregory 26 Walker-County, Alabama Alabama Laborer Head
1940 John Jr. Gregory 38 Trousdale-County, Tennessee Tennessee 40 Head
1940 John B. Jr. Gregory 44 Bell-County, Texas Texas Clerk Son
1940 John R. (At) Gregory 20 Lee-County, Mississippi Mississippi 0 Son
1940 John Gregory 37 Fulton-County, Georgia Georgia Welder Head
1940 John W. Gregory 23 Philadelphia-County, Pennsylvania Georgia Pad-Maker Son
1940 John Gregory 44 Queens-County, New York Austria Foreman Head
1940 John Gregory 40 Camden-County, North Carolina North Carolina Farmer Head
1920 John W. Gregory Jefferson, Kentucky Kentucky None Head
1940 John Gregory 66 Attala-County, Mississippi Mississippi Farmer Head
1930 John S. Gregory Venango, Pennsylvania Pennsylvania Meat Cutter Head
1920 John Gregory Hennepin, Minnesota Norway Asst. Supt. Head
1930 John Howard Gregory Smith, Tennessee Tennessee Farmer Head
1940 John Gregory 56 Ouachita-County, Arkansas Arkansas Laborer Head
1940 John P. Gregory 73 Cabell-County, West Virginia Ohio — Head
1920 John W Gregory Montgomery, Missouri Missouri Farmer Head
1910 John Henry Gregory Butler, Alabama Alabama — Son
1940 John Gregory 54 Warren-County, New York Italy Mason Head
1930 John Gregory Kings, New York Greece Operator Head
1940 John S. Gregory 12 Princess-Anne-County, Virginia Virginia — Son
1920 John Gregory Newton, Arkansas Arkansas None Son
1930 John W. Gregory Stoddard, Missouri Missouri Farmer Head
1940 John B. Gregory 55 Worcester-County, Massachusetts Massachusetts Foreman Head
1930 John Gregory Grady, Oklahoma Texas None Son
1900 John Gregory 46 Crawford, Arkansas Kentucky Farmer Head

About John Gregory US Census Records & Model Tree

We've indexed 6287 free, proprietary US Census records for John Gregory across 1900–1950, covering 49 states and DC: Alabama, Alaska, Arizona, Arkansas, California, Colorado, Connecticut, 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 John 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 6287 US Census records for John Gregory, from 1900 to 1950, across 49 states and DC.
You'll see John'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 John Gregory'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 John Gregory 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 John Gregory records from the 1900 through 1950 US Federal Census, across 49 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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