How many Frank Mason census records do you have?

We have 4427 US Census records for Frank Mason, from 1900 to 1950, across 50 states and DC.

What's in a Frank Mason census record?

You'll see Frank'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 Frank Mason'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 Frank Mason census records free?

Yes. All Frank Mason 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 Frank Mason?

We have Frank Mason 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 Frank Mason 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 Frank Mason?

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.

Frank Mason — US Census Records & Model Tree

We found 4427 free census records for Frank Mason across 6 census years (1900–1950), in 50 states and DC and 1158 counties. Each record includes our Model Tree — the same person linked across decades using machine learning, with per-link confidence scores.

Frank Mason Census Records by State & County

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Showing of 4427 records for Frank Mason US Census, ranked by Model Tree richness

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Year	Name	Age	Location	Birthplace	Occupation	Relation
1940	Frank W. Mason	51	Wayne-County, Indiana	Indiana	Owner + Manager	Head
1920	Frank Mason		Chesterfield, Virginia	Virginia	Laborer	Son
1900	Frank Mason	5	Butler, Alabama	Alabama	—	Son
1940	Frank Mason	31	St.-Louis-County, Missouri	Missouri	—	Son
1940	Frank V. Mason	21	Macon-County, Illinois	Illinois	Proprietor	Son
1940	Frank Mason	30	Macomb-County, Michigan	Michigan	Assembler	Son
1940	Frank Mason	28	Sullivan-County, Indiana	Indiana	Truck Driver	Head
1940	Frank Mason	32	Lackawanna-County, Pennsylvania	Pennsylvania	Carpenter Helper	Son
1940	Frank Mason	25	Jackson-County, Michigan	Michigan	Salesman	Son
1940	Frank E. Jr. Mason	25	Fulton-County, Georgia	Georgia	Carpenter	Head
1940	Frank Mason	51	Hyde-County, South Dakota	South Dakota	Highway Maintainer	Head
1940	Frank Mason	58	Lucas-County, Ohio	Italy	Laborer	Head
1940	Frank W Mason	60	Fulton-County, Georgia	Rhode Island	No	Head
1940	Frank Mason	53	Jefferson-County, Idaho	Utah	Livestock Dealer	Head
1940	Frank Mason	71	Sullivan-County, Indiana	Indiana	Operator	Head
1940	Frank L. Mason	65	Polk-County, Florida	Maine	Contractor	Head
1920	Frank Mason		Adams, Wisconsin	Ohio	Farmer	Head
1940	Frank L. Mason	66	Middlesex-County, Massachusetts	Massachusetts	Accountant	Head
1940	Frank Mason	35	Petersburg-City-County, Virginia	Virginia	Laborer	Head
1940	Frank H. Mason	57	San-Mateo-County, California	England	Chauffeur	Head
1920	Frank S Mason		Rockingham, New Hampshire	New Hampshire	—	Head
1930	Frank Mason		None, None	Texas	Laborer	Son
1930	Frank Mason		Sullivan, Missouri	Missouri	—	Son
1930	Frank Mason		Davidson, Tennessee	Tennessee	Laborer	Head
1940	Frank Jr. Mason	15	Pitt-County, North Carolina	North Carolina	—	Son
1940	Frank Mason	43	Clinton-County, Michigan	New York	Jobber	Head
1930	Frank Mason		None, None	Virginia	Laborer	Son
1920	Frank Mason		Charlotte, Virginia	Virginia	Laborer	Son
1930	Frank W Mason		Ventura, California	Tennessee	—	Son
1940	Frank Mason	39	Cook-County, Illinois	New York	Salesman	Head

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About Frank Mason US Census Records & Model Tree

We've indexed 4427 free, proprietary US Census records for Frank Mason 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 Frank 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 4427 US Census records for Frank Mason, from 1900 to 1950, across 50 states and DC.
: You'll see Frank'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 Frank Mason'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 Frank Mason 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 Frank Mason 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.