How many Mary Lester census records do you have?

We have 4647 US Census records for Mary Lester, from 1900 to 1950, across 49 states and DC.

What's in a Mary Lester census record?

You'll see Mary'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 Mary Lester'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 Mary Lester census records free?

Yes. All Mary Lester 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 Mary Lester?

We have Mary Lester 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 Mary Lester 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 Mary Lester?

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.

Mary Lester — US Census Records & Model Tree

We found 4647 free census records for Mary Lester across 6 census years (1900–1950), in 49 states and DC and 1272 counties. Each record includes our Model Tree — the same person linked across decades using machine learning, with per-link confidence scores.

Mary Lester Census Records by State & County

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Showing of 4647 records for Mary Lester US Census, ranked by Model Tree richness

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Year	Name	Age	Location	Birthplace	Occupation	Relation
1930	Mary Lester		Vigo, Indiana	Indiana	Clerk	Daughter
1920	Mary Lester		Calhoun, Mississippi	Mississippi	Farming	Wife
1940	Mary Ramsey Lester	59	Person-County, North Carolina	North Carolina	—	Wife
1930	Mary E Lester		Montgomery, Pennsylvania	Pennsylvania	—	Wife
1900	Mary S. Lester	60	Caroline, Maryland	Delaware	—	Wife
1940	Mary Lester	67	Jackson-County, Minnesota	Minnesota	—	Head
1910	Mary Lester		Middlesex, Massachusetts	Ireland	—	Wife
1910	Mary Lester		Middlesex, Massachusetts	Ireland	—	Wife
1940	Mary F Lester	20	Washington-County, Virginia	Virginia	—	Daughter
1930	Mary Lester		Jefferson, Alabama	Alabama	Servant	Daughter
1910	Mary Lester		Fulton, Illinois	Illinois	—	Daughter
1930	Mary M. Lester		Buchanan, Virginia	Virginia	—	Daughter
1940	Mary Frances Lester	16	Caddo-County, Louisiana	Louisiana	—	Daughter
1910	Mary E. Lester		Henry, Illinois	Ohio	—	Wife
1910	Mary Lester		Marion, South Carolina	South Carolina	None	Wife
1930	Mary Lester		Richland, South Carolina	South Carolina	—	Wife
1940	Mary Lester	11	Rutherford-County, Tennessee	Tennessee	—	Daughter
1940	Mary Lou Lester	32	Polk-County, Georgia	Georgia	—	Wife
1920	Mary L. Lester		Clarke, Georgia	Georgia	—	Daughter
1940	Mary Lester	60	Paulding-County, Georgia	Georgia	—	Wife
1940	Mary Lester	20	Kings-County, New York	New York	—	Daughter
1940	Mary Lester	19	Cook-County, Illinois	Illinois	—	Daughter
1920	Mary Lester		Jefferson, Kentucky	Kentucky	—	Daughter
1930	Mary Lester		Henry, Virginia	Virginia	—	Wife
1930	Mary Lester		Mcdowell, West Virginia	Virginia	None	Wife
1940	Mary Lester	42	Caddo-County, Louisiana	Louisiana	Wash Woman	Head
1940	Mary E. Lester	14	Baltimore-City-County, Maryland	Maryland	—	Daughter
1940	Mary L. Lester	13	Greene-County, Missouri	Missouri	—	Daughter
1930	Mary Jane Lester		Person, North Carolina	North Carolina	Laborer	Daughter
1940	Mary Lester	13	Branch-County, Michigan	Michigan	—	Daughter

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About Mary Lester US Census Records & Model Tree

We've indexed 4647 free, proprietary US Census records for Mary Lester across 1900–1950, covering 49 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, 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 Mary 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 4647 US Census records for Mary Lester, from 1900 to 1950, across 49 states and DC.
: You'll see Mary'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 Mary Lester'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 Mary Lester 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 Mary Lester 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.

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