How many William Abbott census records do you have?

We have 5214 US Census records for William Abbott, from 1900 to 1950, across 49 states, DC, and 2 territories.

What's in a William Abbott 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 Abbott'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 Abbott census records free?

Yes. All William Abbott 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 Abbott?

We have William Abbott records from the 1900 through 1950 US Federal Census, across 49 states, DC, and 2 territories. Use the year and state filters to narrow your results.

How do I find William Abbott 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 Abbott?

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 Abbott — US Census Records & Model Tree

We found 5214 free census records for William Abbott across 6 census years (1900–1950), in 49 states, DC, and 2 territories and 1152 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 5214 records for William Abbott US Census, ranked by Model Tree richness

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Year	Name	Age	Location	Birthplace	Occupation	Relation
1940	William F. Abbott	20	Middlesex-County, Massachusetts	Massachusetts	Salesman	Son
1940	William Abbott	26	Rockingham-County, North Carolina	North Carolina	Laborer	Head
1940	William Abbott	23	Allegheny-County, Pennsylvania	Pennsylvania	Clerk	Son
1940	William X Abbott	69	Rockingham-County, North Carolina	Virginia	Minister	Head
1940	William Abbott	70	Hampden-County, Massachusetts	Maine	Teacher	Head
1940	William S. Abbott	45	Middlesex-County, Massachusetts	Maine	Iron Worker	Head
1940	William Abbott	44	San-Francisco-County, California	Montana	—	Head
1910	William Abbott		Middlesex, Massachusetts	New Hampshire	—	Son
1910	William H Abbott		Middlesex, Massachusetts	New Hampshire	—	Head
1940	William Abbott	10	Suffolk-County, Massachusetts	Massachusetts	—	Son
1940	William Abbott	13	Allegheny-County, Pennsylvania	Pennsylvania	—	Son
1940	William Abbott	12	Gallia-County, Ohio	Ohio	—	Son
1920	William Abbott		Washington, Minnesota	Minnesota	Laborer	Son
1930	William H. Abbott		Merrimack, New Hampshire	New Hampshire	Stone Mason	Head
1930	William M. Abbott		Pulaski, Kentucky	Kentucky	Farmer	Head
1940	William Abbott	50	Fulton-County, Indiana	Indiana	Road Worker	Head
1940	William Abbott	47	Monroe-County, Indiana	Indiana	Farmer	Head
1920	William Abbott		Charlotte, Virginia	Virginia	Merchant	Head
1940	William Abbott	28	Jersey-County, Illinois	Illinois	Farm Laborer	Son
1900	William Abbott	35	Cullman, Alabama	Alabama	Farmer	Head
1920	William Abbott		Dorchester, Maryland	Maryland	Farmer	Head
1910	William Abbott		Fayette, Pennsylvania	Pennsylvania	Miner	Head
1930	William Abbott		De Kalb, Illinois	North Dakota	—	Son
1940	William Abbott	11	Indiana-County, Pennsylvania	Pennsylvania	—	Son
1940	William O. Abbott	23	Somerset-County, Maryland	Maryland	Laborer	Son
1910	William Abbott		Oconee, South Carolina	South Carolina	Farmer	Head
1940	William M. Abbott	37	Boone-County, Iowa	Iowa	Laborer	Head
1940	William Abbott	21	Adams-County, Illinois	Illinois	Helper	Son
1940	William F. Abbott	16	Jefferson-County, Kansas	Kansas	Farmer	Son
1930	William S. Jr. Abbott		Hamilton, Illinois	Illinois	—	Son

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About William Abbott US Census Records & Model Tree

We've indexed 5214 free, proprietary US Census records for William Abbott across 1900–1950, covering 49 states, DC, and 2 territories: 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, Puerto Rico, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, U.S. Virgin Islands, 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 5214 US Census records for William Abbott, from 1900 to 1950, across 49 states, DC, and 2 territories.
: 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 Abbott'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 Abbott 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 Abbott records from the 1900 through 1950 US Federal Census, across 49 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.

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