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John Case — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Adams-County, Colorado
Our Model Tree links this John Case across the 1930 and 1940 US Censuses in Adams-County, Colorado (XGBoost, ~Confirmed) — first a head (b.~1895), then head of a 11-person household.
Age 45
b. ~1895
Male
Head
Born: Russia
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Adams-County, Colorado |
| Surname | Case |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Russia |
| 1935 Residence (City) | Precinct 8 Henderson |
| 1935 Residence (County) | Adams |
| Naturalization Status | First papers filed |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 80 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
| Occupation | Farmer |
| Township / Ward | Precinct 8 Henderson |
| 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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Katy Case | Spouse | — | 40 | ~1900 |
| Katy Case | Daughter | — | 17 | ~1923 |
| Helen Case | Daughter | — | 15 | ~1925 |
| John Case | Head | — | 45 | ~1895 |
| Rosie Case | Daughter | — | 12 | ~1928 |
| Lawrence Case | Son | — | 9 | ~1931 |
| Mary Case | Daughter | — | 19 | ~1921 |
| Jacob Case | Son | — | 21 | ~1919 |
| Pete Case | Son | — | 22 | ~1918 |
| John Case | Son | — | 11 | ~1929 |
| Leonard Case | Son | — | 6 | ~1934 |
Census Appearances
1930
Denver, Colorado
Head, age 35
Denver, Colorado · implied b. ~1895 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Case |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Russia |
| Naturalization Status | Alien |
| Year of Immigration | 1911 |
| Age at First Marriage | 21 |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Unknown |
| Home Owned/Rented | R |
| Home Value / Rent | 10 |
| Veteran | No |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
1940
Adams-County, Colorado
Head, age 45
Adams-County, Colorado · implied b. ~1895 — 11 household members
| Surname | Case |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Russia |
| 1935 Residence (City) | Precinct 8 Henderson |
| 1935 Residence (County) | Adams |
| Naturalization Status | First papers filed |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 80 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
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 Case across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Case
Head · 1940 · age 45 · b. ~1895 · Colorado
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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 — Adams-County, Colorado
Open full size
1940 US Federal Census — Adams-County, Colorado
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00454-00122)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ida M. Young | 74 | Wife | — | Pennsylvania |
| 2 | Raymond L. Young | 40 | Son | Farmer | Colorado |
| 3 | Anna C. Slusher | 45 | Daughter | — | Colorado |
| 4 | Robert Lewis Slusher | 8 | Grandson | — | Colorado |
| 5 | Richard W. Rollins | 17 | Grandson | — | Colorado |
| 6 | Lavern C. Berg | 24 | Head | Farmer | South Dakota |
| 7 | Bertha A. Berg | 27 | Wife | — | Colorado |
| 8 | Elmer L. Smith | 26 | Lodger | Farm Labor | Missouri |
| 9 | Catherine J. Smith | 20 | Lodger | — | Colorado |
| 10 | Kenneth E. Smith | 1 | Son | — | Colorado |
| 11 | Noel J. Sr. Hubert | 39 | Head | Farmer | Colorado |
| 12 | Paula L. Hubert | 36 | Wife | — | Belgium |
| 13 | Lucy J. Hubert | 14 | Daughter | — | Colorado |
| 14 | Paula D. Hubert | 13 | Daughter | — | Colorado |
| 15 | Noel J. Iii Hubert | 11 | Son | — | Colorado |
| 16 | Dorothy E. Hubert | 8 | Daughter | — | Colorado |
| 17 | Mary Rose Hubert | 6 | Daughter | — | Colorado |
| 18 | Joseph L. Hubert | 5 | Son | — | Colorado |
| 19 | James Hunt | 43 | Head | Section Labor | Missouri |
| 20 | Viola Mae Hunt | 33 | Wife | — | Kansas |
| 21 | Iola Jean Hunt | 13 | Daughter | — | Colorado |
| 22 | Hazel Eva Hunt | 11 | Daughter | — | Colorado |
| 23 | John Joseph Hunt | 6 | Son | — | Colorado |
| 24 | Dorothy June Hunt | 2 | Daughter | — | Colorado |
| 25 | Geneva V. D. Armostaff | 36 | Sister | Housework | Missouri |
| 26 | Helen L. Armostaff | 13 | Niece | — | Colorado |
| 27 | Leonard M. Smith | 58 | Head | Farmer | Colorado |
| 28 | Edith A. Smith | 56 | Sister | — | Colorado |
| 29 | Frances A. Smith | 86 | Mother | — | England |
| 30 | John Case THIS PERSON | 45 | Head | Farmer | Russia |
| 31 | Katy Case | 40 | Wife | — | Russia |
| 32 | Pete J. Case | 22 | Son | Farm Labor | Colorado |
| 33 | Jacob P. Case | 21 | Son | Farm Labor | Colorado |
| 34 | Mary Case | 19 | Daughter | Hospital Maid | Colorado |
| 35 | Katy A. Case | 17 | Daughter | — | Colorado |
| 36 | Helen C. Case | 15 | Daughter | — | Colorado |
| 37 | Rosie M. Case | 12 | Daughter | — | Colorado |
| 38 | John A. Case | 11 | Son | — | Colorado |
| 39 | Lawrence Case | 9 | Son | — | Colorado |
| 40 | Leonard G. Case | 6 | Son | — | Colorado |
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)