JC
John Cassidy — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hennepin-County, Minnesota
Our Model Tree links this John Cassidy across the 1920, 1930 and 1940 US Censuses in Hennepin-County, Minnesota (XGBoost, ~Confirmed) — first a head (b.~1895), then head of a 5-person household.
Age 45
b. ~1895
Male
Head
Born: Wisconsin
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Hennepin-County, Minnesota |
| Surname | Cassidy |
| Given Name | John H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Minneapolis |
| 1935 Residence (County) | Hennepin |
| Additional Details | |
| Occupation | general repair man |
| Industry | department store repair shop |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1456 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same home |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Occupation | General Repair Man |
| Township / Ward | Minneapolis |
| Est. Birth Year | ~1895 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Myrtle Cassidy | Daughter | — | 18 | ~1922 |
| John Cassidy | Head | — | 45 | ~1895 |
| Helen Cassidy | Other | — | 25 | ~1915 |
| John Cassidy | Son | — | 25 | ~1915 |
| Myrtle Cassidy | Spouse | — | 47 | ~1893 |
Census Appearances
1920
Hennepin, Minnesota
Head, age 25
Hennepin, Minnesota · implied b. ~1895 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cassidy |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| Father's Birthplace | New York |
| Mother's Birthplace | Wisconsin |
| Occupation | Painter |
| Industry | Painting Co |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1930
Hennepin, Minnesota
Head, age 35
Hennepin, Minnesota · implied b. ~1895 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cassidy |
| Given Name | John J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| Age at First Marriage | 19 |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Minnesota |
| Occupation | Clerical |
| Industry | Elec. Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 4000 |
| Radio Set | R |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Hennepin-County, Minnesota
Head, age 45
Hennepin-County, Minnesota · implied b. ~1895 — 5 household members
| Surname | Cassidy |
| Given Name | John H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Minneapolis |
| 1935 Residence (County) | Hennepin |
| Occupation | general repair man |
| Industry | department store repair shop |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1456 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same home |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links John Cassidy across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Cassidy
Head · 1940 · age 45 · b. ~1895 · Minnesota
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Hennepin-County, Minnesota
Open full size
1940 US Federal Census — Hennepin-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01982-00009)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Emma D. Dore | 45 | Head | — | Wisconsin |
| 42 | Clarence J. Champine | 52 | Head | — | Wisconsin |
| 43 | Calla Champine | 48 | Wife | — | Wisconsin |
| 44 | John H. Cassidy THIS PERSON | 45 | Head | General Repair Man | Wisconsin |
| 45 | Myrtle M. Cassidy | 47 | Wife | Manager Of Bakeshop | Wisconsin |
| 46 | John Jr. Cassidy | 25 | Son | Stock Man | Minnesota |
| 47 | Myrtle Cassidy | 18 | Daughter | — | Minnesota |
| 48 | Helen Cassidy | 25 | Daughter-in-law | Sales Lady | Montana |
| 49 | Ross H. Brown | 26 | Head | Truck Driver | South Dakota |
| 50 | Ellyne O. Brown | 26 | Wife | — | Minnesota |
| 51 | Yvonne Brown | 9 | Daughter | — | Minnesota |
| 52 | Sharon Brown | 3 | Daughter | — | Minnesota |
| 53 | Karen Brown | 2 | Daughter | — | Minnesota |
| 54 | Virgil Brown | 20 | Brother | — | South Dakota |
| 55 | Mary Jane Miller | 80 | Head | — | Illinois |
| 56 | Frank A. Peterson | 77 | Head | — | Sweden |
| 57 | Anna Peterson | 42 | Daughter | — | Minnesota |
| 58 | Hans B. Swanson | 78 | Head | Baker | Sweden |
| 59 | Nina W. Swanson | 38 | Wife | — | Minnesota |
| 60 | John H. Swanson | 7 | Son | — | Minnesota |
| 61 | Philip D. Swanson | 5 | Son | — | Minnesota |
| 62 | Leonard L. Anderson | 50 | Head | Route Foreman | Minnesota |
| 63 | Edina Anderson | 51 | Wife | — | Minnesota |
| 64 | Shirley Anderson | 14 | Daughter | — | Minnesota |
| 65 | Dorothy Anderson | 9 | Daughter | — | Minnesota |
| 66 | Erick W. Erickson | 43 | Head | General Mechanic | Sweden |
| 67 | Myrtle S. Erickson | 41 | Wife | Floor Lady | Minnesota |
| 68 | Margaret D. Erickson | 19 | Daughter | — | Minnesota |
| 69 | Robert J. Erickson | 15 | Son | — | Minnesota |
| 70 | Gustav B. Johnson | 50 | Head | House Painter | Sweden |
| 71 | Annie Johnson | 46 | Wife | — | Sweden |
| 72 | Le Roy O. Johnson | 16 | Son | — | Minnesota |
| 73 | Albert G. Peterson | 51 | Head | Carpenter | Minnesota |
| 74 | Alice Peterson | 43 | Wife | — | Minnesota |
| 75 | Donald Peterson | 19 | Son | Book Keeper | Minnesota |
| 76 | Norman L. Vartdal | 32 | Head | Assistant Manager | North Dakota |
| 77 | Mary Vartdal | 34 | Wife | — | Washington |
| 78 | Joyceann Vartdal | 6 | Daughter | — | Minnesota |
| 79 | Robert C. King | 69 | Head | Engineer And Janitor | Ohio |
| 80 | Flora L. King | 60 | Wife | — | Wisconsin |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)