How many John Nolan census records do you have?

We have 8587 US Census records for John Nolan, from 1900 to 1950, across 50 states and DC.

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

Yes. All John Nolan 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 Nolan?

We have John Nolan 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 Nolan 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 Nolan?

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 Nolan — US Census Records & Model Tree

We found 8587 free census records for John Nolan across 6 census years (1900–1950), in 50 states and DC and 985 counties. Each record includes our Model Tree — the same person linked across decades using machine learning, with per-link confidence scores.

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Showing of 8587 records for John Nolan US Census, ranked by Model Tree richness

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Year	Name	Age	Location	Birthplace	Occupation	Relation
1920	John W. Nolan		Suffolk, Massachusetts	Massachusetts	Paper Hanger	Son
1940	John J. Jr. Nolan	27	Hampshire-County, Massachusetts	Maine	Laborer	Son
1940	John Nolan	22	Boone-County, Iowa	Iowa	—	Son
1930	John Nolan		Delaware, Pennsylvania	Pennsylvania	Stenographer	Son
1940	John V. Dr. Nolan	34	Muskegon-County, Michigan	Michigan	Dentist	Head
1940	John J. Nolan	33	Essex-County, New Jersey	New Jersey	Salesman	Son
1930	John Nolan		Schuylkill, Pennsylvania	Pennsylvania	Brakeman	Son
1940	John Nolan	24	St.-Louis-County, Missouri	Missouri	A-C Mechanic	Head
1940	John Nolan	42	Cuyahoga-County, Ohio	Ireland	Press Operator	Head
1930	John H Nolan		Kings, New York	New York	Shipping Clerk	Son
1930	John Nolan		Bronx, New York	Ireland	—	Head
1920	John Nolan		Essex, Massachusetts	Canada	Laborer	Head
1920	John Nolan		Philadelphia, Pennsylvania	Ireland	Fireman	Head
1940	John Nolan	72	Providence-County, Rhode Island	Rhode Island	Blacksmith	Head
1940	John Nolan	59	Providence-County, Rhode Island	Rhode Island	Salesman	Head
1940	John J. Nolan	67	Berkshire-County, Massachusetts	Delaware	Foreman	Head
1940	John Nolan	73	Will-County, Illinois	Illinois	—	Head
1940	John E Nolan	41	Philadelphia-County, Pennsylvania	Pennsylvania	Knitter	Head
1940	John Nolan	71	Cleveland-County, North Carolina	North Carolina	Real Estate	Head
1930	John Nolan		Bronx, New York	Ireland	Clerk	Head
1910	John Nolan		Washington, Pennsylvania	Ireland	Mill Foreman	Head
1930	John Nolan		Lake, Indiana	Poland	Pipe Fitter	Head
1930	John J. Nolan		Westchester, New York	New York	Bridge Tender	Head
1940	John Nolan	28	Suffolk-County, Massachusetts	Massachusetts	Shipper	Son
1920	John Nolan		Monroe, New York	New York	Fireman	Head
1910	John Nolan		Bristol, Massachusetts	Ireland	Florist	Head
1940	John Nolan	21	Middlesex-County, Massachusetts	Massachusetts	Electric Salesman	Son
1940	John Nolan	19	Cook-County, Illinois	Illinois	Office Clerk	Son
1910	John Jr. Nolan		Bristol, Massachusetts	Massachusetts	—	Son
1940	John Nolan	33	Sangamon-County, Illinois	Missouri	Clerk	Son

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About John Nolan US Census Records & Model Tree

We've indexed 8587 free, proprietary US Census records for John Nolan 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 8587 US Census records for John Nolan, 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 Nolan'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 Nolan 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 Nolan 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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