How many Mary Russo census records do you have?

We have 4904 US Census records for Mary Russo, from 1900 to 1950, across 41 states and DC.

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

Yes. All Mary Russo 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 Russo?

We have Mary Russo records from the 1900 through 1950 US Federal Census, across 41 states and DC. Use the year and state filters to narrow your results.

How do I find Mary Russo 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 Russo?

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 Russo — US Census Records & Model Tree

We found 4904 free census records for Mary Russo across 6 census years (1900–1950), in 41 states and DC and 300 counties. Each record includes our Model Tree — the same person linked across decades using machine learning, with per-link confidence scores.

Mary Russo Census Records by State & County

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Showing of 4904 records for Mary Russo US Census, ranked by Model Tree richness

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Year	Name	Age	Location	Birthplace	Occupation	Relation
1940	Mary Russo	23	Bristol-County, Rhode Island	Rhode Island	Clerk	Daughter
1940	Mary M. Russo	11	Providence-County, Rhode Island	Rhode Island	—	Daughter
1930	Mary Russo		Kent, Michigan	Michigan	—	Daughter
1930	Mary Russo		Cumberland, Maine	Maine	—	Daughter
1940	Mary Russo	22	Wayne-County, Michigan	Michigan	—	Daughter
1930	Mary Russo		Marquette, Michigan	Michigan	—	Daughter
1940	Mary Russo	38	New-York-County, New York	Alabama	—	Wife
1940	Mary Russo	14	Branch-County, Michigan	Michigan	—	Daughter
1920	Mary Russo		Essex, New Jersey	New Jersey	—	Daughter
1930	Mary Russo		Bristol, Rhode Island	Rhode Island	Doffer	Daughter
1940	Mary Russo	14	Kings-County, New York	New York State	—	Daughter
1940	Mary Russo	18	Wayne-County, Michigan	Michigan	Saleslady	Daughter
1940	Mary Russo	13	Providence-County, Rhode Island	Rhode Island	—	Daughter
1920	Mary Russo		Middlesex, New Jersey	New Jersey	—	Daughter
1930	Mary Russo		Santa Clara, California	California	—	Daughter
1940	Mary R Russo	40	Denver-County, Colorado	Colorado	—	Wife
1930	Mary Russo		Kent, Rhode Island	Rhode Island	—	Daughter
1940	Mary Russo	22	Baltimore-City-County, Maryland	Maryland	Wrapper	Daughter
1940	Mary Russo	12	Ramsey-County, Minnesota	MINNESOTA	—	Daughter
1940	Mary Russo	39	Orleans-County, Louisiana	Louisiana	Saleslady	Wife
1940	Mary Russo	21	New-London-County, Connecticut	Colorado	House Work	Daughter
1930	Mary Russo		Providence, Rhode Island	Rhode Island	Brewer	Daughter
1940	Mary Russo	40	Kings-County, New York	N. York	Operator	Wife
1920	Mary Russo		Hudson, New Jersey	New Jersey	—	Daughter
1940	Mary Russo	14	San-Francisco-County, California	California	—	Daughter
1940	Mary Russo	18	Wayne-County, Michigan	Michigan	—	Daughter
1930	Mary A. Russo		Merrimack, New Hampshire	Rhode Island	Seamstress	Daughter
1930	Mary Russo		Hudson, New Jersey	Greece	—	Wife
1930	Mary Russo		Wayne, Michigan	Michigan	—	Daughter
1940	Mary Russo	32	Lackawanna-County, Pennsylvania	Penna	—	Head

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About Mary Russo US Census Records & Model Tree

We've indexed 4904 free, proprietary US Census records for Mary Russo across 1900–1950, covering 41 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, Nebraska, New Hampshire, New Jersey, New York, North Carolina, Ohio, Oklahoma, Pennsylvania, Rhode Island, South Carolina, Tennessee, Texas, Utah, Vermont, 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 4904 US Census records for Mary Russo, from 1900 to 1950, across 41 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 Russo'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 Russo 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 Russo records from the 1900 through 1950 US Federal Census, across 41 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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