How many John John census records do you have?

We have 6919 US Census records for John John, from 1900 to 1950, across 50 states and DC.

What's in a John John 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 John'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 John census records free?

Yes. All John John 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 John?

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

How do I find John John 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 John?

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 John — US Census Records & Model Tree

We found 6919 free census records for John John across 6 census years (1900–1950), in 50 states and DC and 1604 counties. Each record includes our Model Tree — the same person linked across decades using machine learning, with per-link confidence scores.

John John Census Records by State & County

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Showing of 6919 records for John John US Census, ranked by Model Tree richness

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Year	Name	Age	Location	Birthplace	Occupation	Relation
1940	John John	41	Montgomery-County, Pennsylvania	Pennsylvania	Road Construction	Son
1910	John Jr John		None, None	Florida	—	Son
1930	John R. John		Montgomery, Ohio	Ohio	Pressman	Son
1910	John John		Schuylkill, Pennsylvania	Wales	Miner	Head
1930	John John		Allegheny, Pennsylvania	Pennsylvania	Laborer	Head
1940	John D. John	49	Valley-County, Nebraska	Nebraska	Farmer	Head
1920	John John		Madison, Indiana	Wales	Roller	Head
1920	John F John		Dorchester, Maryland	Maryland	Laborer	Head
1930	John E. John		St Louis, Missouri	Missouri	—	Head
1940	John F. John	31	Los-Angeles-County, California	Texas	Presser	Son
1940	John John	17	Panola-County, Mississippi	Mississippi	Farm Laborer	Son
1940	John Jr. John	11	Baltimore-City-County, Maryland	Maryland	—	Son
1900	John John	14	Auglaize, Ohio	Ohio	At School	Son
1900	John John	42	Braxton, West Virginia	West Virginia	Farmer	Head
1940	John John	51	Cuyahoga-County, Ohio	Ohio	Rigger	Head
1930	John G. John		Baltimore, Maryland	Maryland	Laborer	Head
1910	John John		Dodge, Georgia	Georgia	Farm Laborer	Son
1910	John John		Baltimore, Maryland	Maryland	Laborer	Head
1910	John J John		Providence, Rhode Island	Rhode Island	—	Son
1940	John Jr John	13	Passaic-County, New Jersey	New Jersey	—	Son
1920	John John		Washington, Pennsylvania	Pennsylvania	Laborer	Son
1910	John L John		Sumter, South Carolina	South Carolina	Farm Laborer	Son
1940	John John	35	Westmoreland-County, Pennsylvania	Pennsylvania	Laborer	Head
1910	John John		Providence, Rhode Island	Rhode Island	Teamster	Head
1930	John John		Cambria, Pennsylvania	Pennsylvania	Miner	Head
1910	John John		Cook, Illinois	Germany	—	Head
1920	John John		New York, New York	New York	—	Son
1940	John John	25	Stark-County, Ohio	Pennsylvania	Cobbler	Son
1940	John John	32	Sunflower-County, Mississippi	Mississippi	Farmer	Head
1940	John J John	21	Calcasieu-County, Louisiana	Louisiana	Laborer	Son

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About John John US Census Records & Model Tree

We've indexed 6919 free, proprietary US Census records for John John 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 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 6919 US Census records for John John, from 1900 to 1950, across 50 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 John'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 John 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 John 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.