MC
Mary Case — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jefferson-County, Kentucky
Our Model Tree links this Mary Case across the 1930 and 1940 US Censuses in Jefferson-County, Kentucky (XGBoost, ~Confirmed) — first a spouse (b.~1905), then head of a 10-person household.
Age 35
b. ~1905
Female
Spouse
Born: Kentucky
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Kentucky |
| Surname | Case |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville City |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Industry | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same House |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Louisville City |
| Est. Birth Year | ~1905 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Phillip Case | Son | — | 13 | ~1927 |
| Henry Case | Son | — | 11 | ~1929 |
| Doris Case | Daughter | — | 3 | ~1937 |
| Fred Case | Son | — | 18 | ~1922 |
| Mary Case | Daughter | — | 16 | ~1924 |
| John Case | Son | — | 3 | ~1937 |
| Donald Case | Son | — | 7 | ~1933 |
| Patricia Case | Daughter | — | 9 | ~1931 |
| Fred Case | Head | — | 41 | ~1899 |
| Mary Case | Spouse | — | 35 | ~1905 |
Census Appearances
1930
Jefferson, Kentucky
Other, age 24
Jefferson, Kentucky · implied b. ~1906 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Case |
| Given Name | Malvene |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Kentucky |
| Age at First Marriage | 20 |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Jefferson-County, Kentucky
Spouse, age 35
Jefferson-County, Kentucky · implied b. ~1905 — 10 household members
| Surname | Case |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville City |
| 1935 Residence (County) | Jefferson |
| Industry | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same House |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
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 Mary Case across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Case
Spouse · 1940 · age 35 · b. ~1905 · Kentucky
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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 — Jefferson-County, Kentucky
Open full size
1940 US Federal Census — Jefferson-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01367-00479)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Helen Gredenger | 34 | Wife | — | Kentucky |
| 42 | Catherine Seibel | 79 | Head | — | Kentucky |
| 43 | George H. Seibel | 49 | Son | Trimmer | Kentucky |
| 44 | Fred W. Case | 41 | Head | Salesman | Kentucky |
| 45 | Mary E. Case THIS PERSON | 35 | Wife | — | Kentucky |
| 46 | Fred W. Jr. Case | 18 | Son | Helper | Kentucky |
| 47 | Mary E. Case | 16 | Daughter | New Worker | Kentucky |
| 48 | Phillip B. Case | 13 | Son | — | Kentucky |
| 49 | Henry P. Case | 11 | Son | — | Kentucky |
| 50 | Patricia A. Case | 9 | Daughter | — | Kentucky |
| 51 | Donald R. Case | 7 | Son | — | Kentucky |
| 52 | Doris J. Case | 3 | Daughter | — | Kentucky |
| 53 | John J. Case | 3 | Son | — | Kentucky |
| 54 | Russell Stein | 33 | Head | Painter | Kentucky |
| 55 | Adele Stein | 29 | Wife | Telephone Operator | Kentucky |
| 56 | Russell Jr. Stein | 12 | Son | — | Kentucky |
| 57 | Gilbert Stein | 10 | Son | — | Kentucky |
| 58 | Eugene Stein | 8 | Son | — | Kentucky |
| 59 | Carol Stein | 7 | Daughter | — | Kentucky |
| 60 | Walter D. Boling | 50 | Head | Electric Crane Operator | Indiana |
| 61 | Sarah Boling | 46 | Wife | Presser | Kentucky |
| 62 | James Mitchell | 42 | Head | Laborer | Indiana |
| 63 | Helen G. Mitchell | 28 | Wife | — | Kentucky |
| 64 | James R. Mitchell | 6 | Son | — | Kentucky |
| 65 | Lauretta Mitchell | 4 | Daughter | — | Kentucky |
| 66 | Amy Dean Mitchell | 2 | Daughter | — | Kentucky |
| 67 | Spencer Mitchell | 0 | Son | — | Kentucky |
| 68 | Bennie Green | 23 | Head | Elevator Operator | Kentucky |
| 69 | Margaret D. Green | 21 | Wife | — | Kentucky |
| 70 | Bennie Green | 1 | Son | — | Kentucky |
| 71 | William Green | 52 | Father | Cook | Kentucky |
| 72 | Mary Green | 52 | Mother | — | Kentucky |
| 73 | Leah Green | 19 | Sister | Maid | Kentucky |
| 74 | Norman Green | 14 | Brother | — | Kentucky |
| 75 | William S. Edwards | 67 | Head | Janitor | Indiana |
| 76 | Elizabeth Edwards | 38 | Wife | Maid | Kentucky |
| 77 | Durson Burns | 31 | Head | Laborer | Kentucky |
| 78 | Crezona Burns | 27 | Wife | — | Kentucky |
| 79 | Glenna Burns | 3 | Daughter | — | Kentucky |
| 80 | Durson Burns | 2 | Son | — | Kentucky |
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)