How many Mary Kaufman census records do you have?

We have 2864 US Census records for Mary Kaufman, from 1900 to 1950, across 47 states, DC, and 1 territory.

What's in a Mary Kaufman 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 Kaufman'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 Kaufman census records free?

Yes. All Mary Kaufman 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 Kaufman?

We have Mary Kaufman records from the 1900 through 1950 US Federal Census, across 47 states, DC, and 1 territory. Use the year and state filters to narrow your results.

How do I find Mary Kaufman 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 Kaufman?

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 Kaufman — US Census Records & Model Tree

We found 2864 free census records for Mary Kaufman across 6 census years (1900–1950), in 47 states, DC, and 1 territory and 599 counties. Each record includes our Model Tree — the same person linked across decades using machine learning, with per-link confidence scores.

Mary Kaufman Census Records by State & County

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Showing of 2864 records for Mary Kaufman US Census, ranked by Model Tree richness

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Year	Name	Age	Location	Birthplace	Occupation	Relation
1930	Mary Kaufman		New York, New York	Russia	Finisher	Daughter
1930	Mary E. Kaufman		Los Angeles, California	Nebraska	—	Daughter
1920	Mary Kaufman		Henrico, Virginia	Virginia	—	Daughter
1900	Mary Kaufman	39	Philadelphia, Pennsylvania	Russia	Housekeeper	Wife
1900	Mary M. Kaufman	50	Berkeley, West Virginia	Maryland	—	Wife
1910	Mary Kaufman		New York, New York	Russia	—	Wife
1940	Mary Kaufman	44	Wayne-County, Michigan	Russia	—	Wife
1940	Mary Kaufman	51	Okanogan-County, Washington	Washington	Owner	Head
1920	Mary Kaufman		New York, New York	Russia	Housewife	Wife
1940	Mary Lynn Kaufman	53	Navajo-County, Arizona	Montana	—	Wife
1940	Mary Kaufman	58	Mcpherson-County, Kansas	Kansas	—	Wife
1940	Mary Kaufman	61	Hudson-County, New Jersey	New York	—	Wife
1920	Mary Kaufman		Dunn, Wisconsin	Wisconsin	—	Wife
1940	Mary Kaufman	23	Holmes-County, Ohio	Ohio	House Work	Daughter
1940	Mary Kaufman	51	Mcpherson-County, Kansas	Kansas	—	Wife
1920	Mary Kaufman		Somerset, Pennsylvania	Pennsylvania	—	Daughter
1920	Mary Kaufman		Idaho, Idaho	Idaho	—	Daughter
1910	Mary L Kaufman		Bates, Missouri	Missouri	—	Daughter
1910	Mary Kaufman		Stark, Ohio	Ohio	—	Wife
1940	Mary Ann Kaufman	14	Mcpherson-County, Kansas	Kansas	—	Daughter
1920	Mary Kaufman		Beaver, Pennsylvania	Pennsylvania	Trimmer	Daughter
1940	Mary Ann Kaufman	13	Blue-Earth-County, Minnesota	Minnesota	—	Daughter
1910	Mary Kaufman		Lawrence, Pennsylvania	Pennsylvania	—	Daughter
1940	Mary Kaufman	13	Holt-County, Missouri	Missouri	—	Daughter
1940	Mary Kaufman	16	Macon-County, Illinois	Illinois	Saleslady	Daughter
1940	Mary Kaufman	53	Madison-County, Ohio	Ohio	—	Wife
1940	Mary Kaufman	33	Northampton-County, Pennsylvania	Pennsylvania	Wrapper	Wife
1900	Mary Kaufman	60	Luzerne, Pennsylvania	Pennsylvania	—	Wife
1930	Mary Kaufman		Essex, Massachusetts	Russia	None	Wife
1940	Mary Kaufman	23	Shelby-County, Iowa	Iowa	—	Daughter

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About Mary Kaufman US Census Records & Model Tree

We've indexed 2864 free, proprietary US Census records for Mary Kaufman across 1900–1950, covering 47 states, DC, and 1 territory: 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, Puerto Rico, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Virginia, Washington, West Virginia, Wisconsin.

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 2864 US Census records for Mary Kaufman, from 1900 to 1950, across 47 states, DC, and 1 territory.
: 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 Kaufman'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 Kaufman 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 Kaufman records from the 1900 through 1950 US Federal Census, across 47 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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