How many Mary Rooney census records do you have?

We have 3817 US Census records for Mary Rooney, from 1900 to 1950, across 47 states and DC.

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

Yes. All Mary Rooney 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 Rooney?

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

How do I find Mary Rooney 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 Rooney?

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 Rooney — US Census Records & Model Tree

We found 3817 free census records for Mary Rooney across 6 census years (1900–1950), in 47 states and DC and 479 counties. Each record includes our Model Tree — the same person linked across decades using machine learning, with per-link confidence scores.

Mary Rooney Census Records by State & County

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Showing of 3817 records for Mary Rooney US Census, ranked by Model Tree richness

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Year	Name	Age	Location	Birthplace	Occupation	Relation
1930	Mary E. Rooney		Providence, Rhode Island	Rhode Island	Cashier	Daughter
1940	Mary Rooney	33	Erie-County, New York	New York	Stenographer	Daughter
1930	Mary Rooney		Queens, New York	Ireland	—	Head
1920	Mary M Rooney		Philadelphia, Pennsylvania	Ireland	Housewife	Wife
1920	Mary Rooney		New York, New York	Ireland	None	Wife
1900	Mary Rooney	63	Philadelphia, Pennsylvania	Ireland	—	Head
1940	Mary Rooney	40	Bronx-County, New York	Ireland	Control Man	Wife
1940	Mary Rooney	70	Philadelphia-County, Pennsylvania	Ireland	—	Wife
1940	Mary Rooney	11	Queens-County, New York	New York	—	Daughter
1910	Mary Rooney		Passaic, New Jersey	New York	None	Wife
1940	Mary C Rooney	14	Bronx-County, New York	New York	—	Daughter
1940	Mary Rooney	20	Richmond-County, New York	New York	Waitress	Daughter
1940	Mary B. Rooney	37	Suffolk-County, Massachusetts	Canada-English	—	Wife
1940	Mary Rooney	37	New-York-County, New York	Ireland	H	Wife
1930	Mary T. Rooney		Essex, Massachusetts	Massachusetts	—	Daughter
1940	Mary Rooney	49	Middlesex-County, Massachusetts	Northern Ireland	—	Wife
1930	Mary H. Rooney		New York, New York	Ireland	—	Wife
1910	Mary Rooney		Middlesex, Massachusetts	Ireland	—	Head
1910	Mary E. Rooney		New York, New York	New York	—	Wife
1940	Mary Q. Rooney	47	Providence-County, Rhode Island	Rhode Island	—	Wife
1940	Mary Rooney	19	New-York-County, New York	New York	Carpenter Work	Daughter
1930	Mary Rooney		New York, New York	New York	Clerk	Daughter
1940	Mary Rooney	50	New-York-County, New York	Irish Free State	—	Wife
1940	Mary A. Rooney	21	Berkshire-County, Massachusetts	Massachusetts	Grad. Registered Nurse	Daughter
1910	Mary A Rooney		Philadelphia, Pennsylvania	New York	None	Wife
1940	Mary Rooney	12	Albany-County, New York	New York	—	Daughter
1930	Mary Rooney		Middlesex, Massachusetts	Massachusetts	—	Wife
1920	Mary Rooney		New York, New York	Ireland	—	Wife
1940	Mary Rooney	40	Cook-County, Illinois	Irish Free State	—	Wife
1930	Mary M Rooney		Allamakee, Iowa	Iowa	—	Daughter

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About Mary Rooney US Census Records & Model Tree

We've indexed 3817 free, proprietary US Census records for Mary Rooney across 1900–1950, covering 47 states and DC: Alabama, 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, 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 3817 US Census records for Mary Rooney, from 1900 to 1950, across 47 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 Rooney'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 Rooney 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 Rooney records from the 1900 through 1950 US Federal Census, across 47 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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