How many William Haynes census records do you have?

We have 3923 US Census records for William Haynes, from 1900 to 1950, across 49 states and DC.

What's in a William Haynes census record?

You'll see William'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 William Haynes'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 William Haynes census records free?

Yes. All William Haynes 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 William Haynes?

We have William Haynes records from the 1900 through 1950 US Federal Census, across 49 states and DC. Use the year and state filters to narrow your results.

How do I find William Haynes 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 William Haynes?

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.

William Haynes — US Census Records & Model Tree

We found 3923 free census records for William Haynes across 6 census years (1900–1950), in 49 states and DC and 1091 counties. Each record includes our Model Tree — the same person linked across decades using machine learning, with per-link confidence scores.

William Haynes Census Records by State & County

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Showing of 3923 records for William Haynes US Census, ranked by Model Tree richness

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Year	Name	Age	Location	Birthplace	Occupation	Relation
1910	William Haynes		Breckinridge, Kentucky	Kentucky	Laborer	Son
1920	William Haynes		Williamson, Tennessee	Tennessee	—	Son
1940	William Haynes	23	Essex-County, Massachusetts	Massachusetts	Bagger	Son
1930	William P. Haynes		Rawlins, Kansas	Virginia	Laborer	Head
1940	William H. Haynes	68	Carroll-County, Virginia	Virginia	Farmer	Head
1920	William Haynes		Rutherford, Tennessee	Tennessee	Laborer	Head
1930	William H. Haynes		Hall, Georgia	Georgia	Farmer	Head
1930	William M. Haynes		Marion, Tennessee	Tennessee	Laborer	Son
1940	William H. Haynes	41	Winston-County, Alabama	Alabama	Farmer	Head
1940	William M Haynes	64	Jefferson-County, Alabama	Mississippi	Carpenter	Head
1930	William Jr Haynes		Jefferson, Alabama	Alabama	—	Son
1940	William Haynes	11	Haywood-County, Tennessee	Tennessee	—	Son
1940	William Haynes	22	Rutherford-County, Tennessee	Tennessee	Farmer	Son
1940	William Haynes	14	Harrison-County, Ohio	Ohio	—	Son
1930	William G Haynes		Pike, Mississippi	Mississippi	Farm Laborer	Son
1940	William Bent Haynes	31	Chatham-County, Georgia	Georgia	Attendant	Son
1910	William H Haynes		Montgomery, Ohio	Ohio	Assembler	Head
1920	William C. Haynes		Shawnee, Kansas	Kansas	Farm Laborer	Son
1940	William R. Haynes	32	Licking-County, Ohio	Alabama	Tire Builder	Head
1930	William Haynes		Mitchell, Georgia	Georgia	—	Son
1910	William Haynes		Winston, Mississippi	Mississippi	Farmer	Head
1940	William R. Haynes	11	Dorchester-County, South Carolina	South Carolina	—	Son
1940	William K. Haynes	17	Lucas-County, Ohio	Texas	New Worker	Son
1920	William S. Haynes		Scott, Virginia	Virginia	None	Son
1920	William G. Haynes		Henry, Virginia	Virginia	—	Son
1920	William Haynes		New Hanover, North Carolina	South Carolina	Driver	Head
1910	William A Haynes		Marshall, Alabama	Georgia	Farmer	Head
1940	William Clayton Haynes	12	Wilson-County, North Carolina	North Carolina	—	Son
1940	William W Haynes	43	Taylor-County, Texas	Texas	Dealer	Head
1940	William Haynes	15	Collin-County, Texas	Texas	—	Son

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About William Haynes US Census Records & Model Tree

We've indexed 3923 free, proprietary US Census records for William Haynes across 1900–1950, covering 49 states and DC: Alabama, Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, District of Columbia, Florida, Georgia, 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 William 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 3923 US Census records for William Haynes, from 1900 to 1950, across 49 states and DC.
: You'll see William'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 William Haynes'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 William Haynes 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 William Haynes 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.