How many John Griffin census records do you have?

We have 15783 US Census records for John Griffin, from 1900 to 1950, across 50 states, DC, and 2 territories.

What's in a John Griffin census record?

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.

How do I use census records for family research?

Census records are a snapshot of a family every 10 years. You can follow John Griffin'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.

Are John Griffin census records free?

Yes. All John Griffin census records on YourRoots are free to search and view — no subscription required. We built our own index from the original federal census images.

Which census years and states cover John Griffin?

We have John Griffin records from the 1900 through 1950 US Federal Census, across 50 states, DC, and 2 territories. Use the year and state filters to narrow your results.

How do I find John Griffin in the census?

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.

What is the Model Tree for John Griffin?

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.

Where does the census data come from?

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.

John Griffin — US Census Records & Model Tree

We found 15783 free census records for John Griffin across 6 census years (1900–1950), in 50 states, DC, and 2 territories and 1851 counties. Each record includes our Model Tree — the same person linked across decades using machine learning, with per-link confidence scores.

John Griffin Census Records by State & County

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Showing of 15783 records for John Griffin US Census, ranked by Model Tree richness

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Year	Name	Age	Location	Birthplace	Occupation	Relation
1930	John Griffin		San Francisco, California	California	Salesman	Son
1940	John Griffin	36	Kings-County, New York	New York	Policeman	Head
1940	John Griffin	29	Cook-County, Illinois	Illinois	Manager	Son
1940	John J. Griffin	15	Baltimore-County, Maryland	Maryland	—	Son
1940	John Griffin	20	Olmsted-County, Minnesota	Minnesota	Farm Labor	Son
1940	John P. Griffin	23	Pocahontas-County, Iowa	Iowa	Driver	Son
1940	John Allen Griffin	21	Jefferson-County, Kentucky	Kentucky	Bookkeeper	Son
1940	John Griffin	23	Dooly-County, Georgia	Georgia	Laborer	Head
1930	John Griffin		New York, New York	New York	None	Son
1940	John H. Griffin	50	King-County, Washington	Georgia	Shoe Salesman	Head
1940	John W. Griffin	37	Rockcastle-County, Kentucky	Kentucky	Salesman	Head
1940	John Griffin	26	Kings-County, New York	New York	Clerk	Son
1940	John Griffin	20	Worcester-County, Massachusetts	Massachusetts	—	Son
1930	John Griffin		Pasquotank, North Carolina	North Carolina	Laborer	Son
1940	John Griffin	27	Hampden-County, Massachusetts	Massachusetts	Estimator	Head
1940	John Griffin	32	Essex-County, Massachusetts	Massachusetts	Interne	Son
1940	John Griffin	54	Leflore-County, Mississippi	Mississippi	Farmer	Head
1940	John Griffin	50	Queens-County, New York	Ireland	Carpentress	Head
1940	John Griffin	65	Burke-County, Georgia	Georgia	Farmer	Head
1940	John Griffin	60	New-York-County, New York	Ireland	Fireman	Head
1910	John Griffin		Union, New Jersey	Ireland	Chauffeur	Head
1940	John Griffin	54	Cattaraugus-County, New York	New York	Farmer	Head
1940	John Griffin	64	Cook-County, Illinois	Kentucky	Laborer	Head
1940	John Griffin	74	Butler-County, Kansas	Maine	—	Head
1940	John Griffin	60	Henderson-County, Kentucky	Kentucky	Fire Boiler	Head
1940	John Griffin	80	Kings-County, New York	Ireland	—	Head
1940	John E. Griffin	53	Hampden-County, Massachusetts	Massachusetts	Proprietor	Head
1930	John D Griffin		Southampton, Virginia	Virginia	Farmer	Head
1940	John H Griffin	70	Los-Angeles-County, California	Ohio	Bank Officer	Head
1940	John Griffin	15	Middlesex-County, Massachusetts	Massachusetts	—	Son

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About John Griffin US Census Records & Model Tree

We've indexed 15783 free, proprietary US Census records for John Griffin 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 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 15783 US Census records for John Griffin, from 1900 to 1950, across 50 states, DC, and 2 territories.
: 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 Griffin'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 Griffin 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 Griffin 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.

Other Griffin US Census Records

Alice Griffin Annie Griffin Charles Griffin Edward Griffin Elizabeth Griffin Frank Griffin George Griffin Henry Griffin James Griffin Joseph Griffin Margaret Griffin Mary Griffin Robert Griffin Thomas Griffin William Griffin Willie Griffin

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