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Joseph Mccarthy — US Census Records & Model Tree

We found 4373 free census records for Joseph Mccarthy across 6 census years (1900–1950), in 48 states and DC and 456 counties. Each record includes our Model Tree — the same person linked across decades using machine learning, with per-link confidence scores.

Joseph Mccarthy Census Records by State & County

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Showing of 4373 records for Joseph Mccarthy US Census, ranked by Model Tree richness
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Year Name Age Location Birthplace Occupation Relation
1930 Joseph A. Mccarthy Kings, New York New York Chauffeur Head
1940 Joseph Mccarthy 38 New-York-County, New York New York Chauffeur Head
1940 Joseph Mccarthy 34 Kings-County, New York New York Printer Son
1930 Joseph Mccarthy Kings, New York New York Accountant Head
1940 Joseph Mccarthy 32 Bronx-County, New York New York Clerk Son
1940 Joseph Mccarthy 33 Montgomery-County, Ohio Ohio Fireman Head
1930 Joseph F Mccarthy Middlesex, Massachusetts Massachusetts Teacher Son
1940 Joseph Mccarthy 35 Dakota-County, Minnesota Minnesota Laborer Head
1940 Joseph Mccarthy 26 Cuyahoga-County, Ohio Ohio Auto Mechanic Son
1930 Joseph Mccarthy Polk, Iowa Iowa — Son
1940 Joseph Mccarthy 27 Mercer-County, New Jersey New Jersey Salesman Son
1940 Joseph Mccarthy 27 Kings-County, New York New York Printer Head
1920 Joseph F Mccarthy Nassau, New York New York Apprentice Son
1940 Joseph Mccarthy 32 Cook-County, Illinois Illinois Officer Head
1930 Joseph Mccarthy Queens, New York New York Chauffeur Son
1930 Joseph Mccarthy Hampden, Massachusetts Massachusetts Clerk Head
1940 Joseph Mccarthy 40 Cook-County, Illinois Illinois Fire Stock Handler Head
1940 Joseph Mccarthy 33 Kings-County, New York New York Clerk Head
1940 Joseph Mccarthy 24 Kings-County, New York New York Rigger Head
1940 Joseph Mccarthy 31 Lackawanna-County, Pennsylvania Pennsylvania Produce Buyer Head
1930 Joseph Mccarthy Philadelphia, Pennsylvania Pennsylvania Chauffeur Son
1910 Joseph Mccarthy Kings, New York New York Laborer Head
1940 Joseph Mccarthy 52 Cuyahoga-County, Ohio Ohio Checker Head
1940 Joseph Mccarthy 56 Essex-County, New Jersey New Jersey Salesman Head
1940 Joseph J. Mccarthy 44 Middlesex-County, Massachusetts Massachusetts Clerk Head
1940 Joseph Mccarthy 18 Delaware-County, Pennsylvania Pennsylvania — Son
1910 Joseph Mccarthy Philadelphia, Pennsylvania Pennsylvania — Son
1940 Joseph C. Mccarthy 24 Becker-County, Minnesota North Dakota Collector Son
1910 Joseph Mccarthy Westmoreland, Pennsylvania Pennsylvania — Son
1910 Joseph Mccarthy Will, Illinois Illinois None Son

About Joseph Mccarthy US Census Records & Model Tree

We've indexed 4373 free, proprietary US Census records for Joseph Mccarthy across 1900–1950, covering 48 states and DC: Alabama, 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 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 Joseph 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 4373 US Census records for Joseph Mccarthy, from 1900 to 1950, across 48 states and DC.
You'll see Joseph'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 Joseph Mccarthy'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 Joseph Mccarthy 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 Joseph Mccarthy records from the 1900 through 1950 US Federal Census, across 48 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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