How many John Madden census records do you have?

We have 5446 US Census records for John Madden, from 1900 to 1950, across 50 states, DC, and 1 territory.

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

Yes. All John Madden 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 Madden?

We have John Madden records from the 1900 through 1950 US Federal Census, across 50 states, DC, and 1 territory. Use the year and state filters to narrow your results.

How do I find John Madden 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 Madden?

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 Madden — US Census Records & Model Tree

We found 5446 free census records for John Madden across 6 census years (1900–1950), in 50 states, DC, and 1 territory and 875 counties. Each record includes our Model Tree — the same person linked across decades using machine learning, with per-link confidence scores.

John Madden Census Records by State & County

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Showing of 5446 records for John Madden US Census, ranked by Model Tree richness

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Year	Name	Age	Location	Birthplace	Occupation	Relation
1940	John H. Madden	22	Orleans-County, Louisiana	Louisiana	Salesman	Son
1910	John Madden		Baltimore, Maryland	Maryland	—	Son
1920	John E Madden		Suffolk, Massachusetts	Massachusetts	Chauffeur	Son
1930	John Madden		New York, New York	Ireland	Manager	Head
1940	John Madden	21	New-York-County, New York	New York	Electrician'S Helper	Son
1940	John J. Madden	42	Charleston-County, South Carolina	South Carolina	Salesman	Head
1940	John J. Madden	37	Denver-County, Colorado	Colorado	Salesman	Son
1930	John Madden		Bergen, New Jersey	New Jersey	—	Head
1940	John Madden	60	Logan-County, Oklahoma	Mississippi	Farm	Head
1940	John Madden	56	Philadelphia-County, Pennsylvania	England	Helper	Head
1920	John Madden		Allegheny, Pennsylvania	Ireland	Grocer	Head
1900	John Madden	57	Sussex, New Jersey	Ireland	Farmer	Head
1940	John H Madden	60	Garden-County, Nebraska	Kansas	Farmer	Head
1940	John P. Madden	84	Bennington-County, Vermont	Vermont	Operates Mach.	Head
1940	John Madden	21	Lucas-County, Ohio	Ohio	Delivery Boy	Son
1940	John R Madden	48	Johnson-County, Iowa	Iowa	Farmer	Head
1930	John Madden		Kings, New York	New York	—	Son
1930	John J. Madden		Suffolk, Massachusetts	Massachusetts	Unemployed	Son
1910	John Madden		Kings, New York	Ireland	Laborer	Head
1940	John Jr. Madden	12	Wayne-County, Michigan	Michigan	—	Son
1910	John B. Madden		Westmoreland, Pennsylvania	Pennsylvania	Grinder	Son
1930	John J Jr Madden		Suffolk, Massachusetts	Massachusetts	—	Son
1920	John H. Madden		Philadelphia, Pennsylvania	Pennsylvania	—	Son
1930	John O Madden		Laurens, South Carolina	South Carolina	Farmer	Head
1940	John Madden	45	Marathon-County, Wisconsin	Wisconsin	Farmer	Head
1920	John W Madden		Laurens, South Carolina	South Carolina	Laborer	Son
1910	John P Madden		Jackson, Missouri	Ireland	Contractor	Head
1940	John J. Madden	37	Suffolk-County, Massachusetts	Massachusetts	Plumber	Head
1940	John Madden	10	Suffolk-County, Massachusetts	Massachusetts	—	Son
1910	John C. Madden		Shawnee, Kansas	Ohio	Meat Cutter	Head

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About John Madden US Census Records & Model Tree

We've indexed 5446 free, proprietary US Census records for John Madden across 1900–1950, covering 50 states, DC, and 1 territory: 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, 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 5446 US Census records for John Madden, from 1900 to 1950, across 50 states, DC, and 1 territory.
: 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 Madden'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 Madden 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 Madden 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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