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John Case — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Butler-County, Ohio
Our Model Tree links this John Case across the 1930 and 1940 US Censuses in Butler-County, Ohio (XGBoost, ~Confirmed) — first a son (b.~1923), then head of a 7-person household.
Age 17
b. ~1923
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Butler-County, Ohio |
| Surname | Case |
| Given Name | John O. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Middletown City |
| 1935 Residence (County) | Butler |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | H 3 |
| 1935 Residence | Same Place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Middletown City |
| Est. Birth Year | ~1923 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Paul Case | Son | — | 10 | ~1930 |
| Esther Case | Head | — | 39 | ~1901 |
| Owen Case | Son | — | 9 | ~1931 |
| Ruth Case | Daughter | — | 15 | ~1925 |
| Mary Case | Daughter | — | 5 | ~1935 |
| John Case | Son | — | 17 | ~1923 |
| Jean Case | Daughter | — | 12 | ~1928 |
Census Appearances
1930
Butler, Ohio
Son, age 8
Butler, Ohio · implied b. ~1922 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Case |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Butler-County, Ohio
Son, age 17
Butler-County, Ohio · implied b. ~1923 — 7 household members
| Surname | Case |
| Given Name | John O. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Middletown City |
| 1935 Residence (County) | Butler |
| Class of Worker | 0 |
| Highest Grade | H 3 |
| 1935 Residence | Same Place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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
Son · 1940 · age 17 · b. ~1923 · Ohio
★ You are viewing this record
Sibling
Jean Case
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Owen Case
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Case
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Case
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Case
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Butler-County, Ohio
Open full size
1940 US Federal Census — Butler-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03035-00356)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Henrietta Copit | 81 | Sister | — | Missouri |
| 42 | Alvie Sorrell | 29 | Head | Grinder | Kentucky |
| 43 | Lenora Sorrell | 25 | Wife | — | Kentucky |
| 44 | Carolyn Sorrell | 6 | Daughter | — | Kentucky |
| 45 | Thelma Sorrell | 4 | Daughter | 0 | Kentucky |
| 46 | Anna Stamper | 49 | Head | — | Kentucky |
| 47 | Norval Stamper | 25 | Son | Shearman | Kentucky |
| 48 | Juda Stamper | 16 | Daughter | — | Kentucky |
| 49 | Mary Adams | 23 | Lodger | Sales Clerk | Indiana |
| 50 | Betty Jo Adams | 21 | Lodger | Sales Clerk | Indiana |
| 51 | Esther J. Case | 39 | Head | — | Ohio |
| 52 | John O. Case THIS PERSON | 17 | Son | — | Ohio |
| 53 | Ruth E. Case | 15 | Daughter | — | Ohio |
| 54 | Jean E. Case | 12 | Daughter | — | Ohio |
| 55 | Paul C. Case | 10 | Son | — | Ohio |
| 56 | Owen M. Case | 9 | Son | — | Ohio |
| 57 | Mary Lou Case | 5 | Daughter | — | Ohio |
| 58 | Archie Weaver | 57 | Head | Machinist | Ohio |
| 59 | Gertrude Weaver | 58 | Wife | — | Indiana |
| 60 | Pearl Jackson | 60 | Sister | — | Ohio |
| 61 | Ruth Edwards | 17 | Lodger | — | Ohio |
| 62 | Ben J. Hill | 89 | Head | — | West Virginia |
| 63 | Susan P. Hill | 85 | Wife | — | Ohio |
| 64 | Harry Brown | 47 | Head | Truck Driver | Indiana |
| 65 | Della Brown | 45 | Wife | — | Tennessee |
| 66 | Harry Dalton | 65 | Head | Paper Finisher | Ohio |
| 67 | Florence Dalton | 45 | Sister | — | Ohio |
| 68 | Ann Dalton | 43 | Sister | Bookkeeper | Ohio |
| 69 | Irene Walker | 45 | Head | Operator | Ohio |
| 70 | John Sabo | 65 | Head | Cement Finisher | Hungary |
| 71 | Rose Sabo | 56 | Wife | — | Hungary |
| 72 | Steve Sabo | 23 | Son | Laborer | Ohio |
| 73 | Mary Sabo | 23 | Daughter | — | Ohio |
| 74 | Margaret Sabo | 19 | Daughter | — | Ohio |
| 75 | Joseph Sabo | 19 | Son | New Worker | Ohio |
| 76 | Robert Reed | 56 | Head | Clerk-Waiter | Ohio |
| 77 | Letha Reed | 51 | Wife | — | Ohio |
| 78 | Ruth Webb | 28 | Daughter | — | Ohio |
| 79 | Richard Lee Schuster | 3 | Grandson | 0 | Ohio |
| 80 | Nellie Mcgee | 52 | Head | — | Ohio |
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)