How many Mary Lynch census records do you have?

We have 26845 US Census records for Mary Lynch, from 1900 to 1950, across 50 states and DC.

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

Yes. All Mary Lynch 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 Lynch?

We have Mary Lynch 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 Mary Lynch 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 Lynch?

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 Lynch — US Census Records & Model Tree

We found 26845 free census records for Mary Lynch across 6 census years (1900–1950), in 50 states and DC and 1618 counties. Each record includes our Model Tree — the same person linked across decades using machine learning, with per-link confidence scores.

Mary Lynch Census Records by State & County

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Showing of 26845 records for Mary Lynch US Census, ranked by Model Tree richness

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Year	Name	Age	Location	Birthplace	Occupation	Relation
1940	Mary D. Lynch	23	Sussex-County, Delaware	Delaware	Trained Nurse	Daughter
1910	Mary Lynch		Cook, Illinois	Illinois	None	Daughter
1930	Mary Lynch		Hudson, New Jersey	New Jersey	—	Daughter
1920	Mary Lynch		Marengo, Alabama	Alabama	Farm Labor	Daughter
1920	Mary Lynch		Marshall, Iowa	Iowa	None	Daughter
1930	Mary E Lynch		Ramsey, Minnesota	Minnesota	—	Daughter
1920	Mary Lynch		Halifax, North Carolina	North Carolina	—	Daughter
1940	Mary Louise Lynch	24	Orleans-County, Louisiana	Louisiana	Dressmaker	Daughter
1930	Mary Lynch		Wayne, Michigan	Michigan	—	Daughter
1940	Mary Margaret Lynch	36	Franklin-County, Kentucky	Kentucky	Bottler	Head
1910	Mary Lynch		Wayne, Michigan	Michigan	—	Daughter
1920	Mary Lynch		Camden, New Jersey	New Jersey	—	Daughter
1910	Mary Lynch		Sussex, Delaware	Delaware	—	Daughter
1930	Mary Lynch		Escambia, Florida	Florida	Teacher	Daughter
1940	Mary Frances Lynch	23	Marion-County, Indiana	Indiana	—	Daughter
1930	Mary Lynch		Polk, North Carolina	North Carolina	Laborer	Daughter
1940	Mary G Lynch	27	Dubuque-County, Iowa	Iowa	Stenographer	Wife
1920	Mary N. Lynch		Providence, Rhode Island	Rhode Island	Teacher	Daughter
1940	Mary Elizabeth Lynch	23	Hennepin-County, Minnesota	Minnesota	New Worker	Daughter
1940	Mary E Lynch	21	Carroll-County, Maryland	Maryland	—	Daughter
1940	Mary Lynch	25	Claiborne-County, Tennessee	Tennessee	—	Wife
1940	Mary Lynch	32	Hudson-County, New Jersey	New Jersey	Audit Clerk	Daughter
1920	Mary Lynch		Hudson, New Jersey	New Jersey	Teacher	Daughter
1940	Mary Lynch	42	Queens-County, New York	England	Cofactor	Daughter
1940	Mary Lynch	22	Spalding-County, Georgia	Georgia	—	Wife
1940	Mary Lynch	55	Cedar-County, Iowa	Iowa	—	Wife
1930	Mary E Lynch		Sussex, Delaware	Delaware	—	Wife
1930	Mary Lynch		Cook, Illinois	Illinois	—	Wife
1920	Mary M. Lynch		Henrico, Virginia	Virginia	—	Wife
1910	Mary M Lynch		Buncombe, North Carolina	North Carolina	—	Wife

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About Mary Lynch US Census Records & Model Tree

We've indexed 26845 free, proprietary US Census records for Mary Lynch 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 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 26845 US Census records for Mary Lynch, from 1900 to 1950, across 50 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 Lynch'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 Lynch 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 Lynch 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.

Other Lynch US Census Records

Alice Lynch Anna Lynch Annie Lynch Catherine Lynch Charles Lynch Edward Lynch Elizabeth Lynch Francis Lynch Frank Lynch George Lynch Helen Lynch James Lynch John Lynch Joseph Lynch Margaret Lynch Michael Lynch Patrick Lynch Robert Lynch Sarah Lynch Thomas Lynch William Lynch

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