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John Conrad — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Ellsworth-County, Kansas
Our Model Tree links this John Conrad across the 1930 and 1940 US Censuses in Ellsworth-County, Kansas (XGBoost, ~Confirmed) — first a son (b.~1907), then head of a 7-person household.
Age 33
b. ~1907
Male
Son
Born: Kansas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Ellsworth-County, Kansas |
| Surname | Conrad |
| Given Name | John F |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Wilson City |
| 1935 Residence (County) | Ellsworth |
| Additional Details | |
| Occupation | Poultry, Eggs & Produce |
| Industry | Produce |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 122 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Occupation | Poultry, Eggs & Produce |
| Township / Ward | Wilson City |
| Est. Birth Year | ~1907 |
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 |
|---|---|---|---|---|
| John Conrad | Son | — | 33 | ~1907 |
| Angelika Conrad | Spouse | — | 52 | ~1888 |
| Charles Conrad | Head | — | 62 | ~1878 |
| Ernest Conrad | Son | — | 30 | ~1910 |
| Anna Conrad | Daughter | — | 18 | ~1922 |
| Charles Conrad | Son | — | 29 | ~1911 |
| Rosie Conrad | Daughter | — | 16 | ~1924 |
Census Appearances
1930
Ellsworth, Kansas
Son, age 23
Ellsworth, Kansas · implied b. ~1907 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Conrad |
| Given Name | John F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Kansas |
| Occupation | Oiler |
| Industry | Flour mill |
| Class of Worker | 2615 |
| Can Read/Write | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Ellsworth-County, Kansas
Son, age 33
Ellsworth-County, Kansas · implied b. ~1907 — 7 household members
| Surname | Conrad |
| Given Name | John F |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Wilson City |
| 1935 Residence (County) | Ellsworth |
| Occupation | Poultry, Eggs & Produce |
| Industry | Produce |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 122 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
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 Conrad across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Conrad
Son · 1940 · age 33 · b. ~1907 · Kansas
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Sibling
Anna Conrad
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rosie Conrad
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ernest Conrad
Sibling · 1940 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Conrad
Sibling · 1940 · age 29
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 — Ellsworth-County, Kansas
Open full size
1940 US Federal Census — Ellsworth-County, Kansas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01231-00286)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Dell Klema | 22 | Head | — | Kansas |
| 42 | Gerald W Klema | 18 | Son | — | Kansas |
| 43 | Samuel A Klema | 16 | Son | — | Kansas |
| 44 | Margaret R Klema | 11 | Daughter | — | Kansas |
| 45 | Gertrude B Metz|Mull | 54 | Head | Proprietor | Kansas |
| 46 | Charles F Metz|Mull | 15 | Son | — | Kansas |
| 47 | Joseph B Vocasek | 51 | Head | Proprietor | Czecho-Slovakia |
| 48 | Marie Vocasek | 51 | Wife | — | Czecho-Slovakia |
| 49 | Barbara Zhyal | 82 | Mother-in-law | — | Czecho-Slovakia |
| 50 | Wilber H Shaffer | 32 | Head | Trucker | Kansas |
| 51 | Illene E Shaffer | 31 | Wife | — | Kansas |
| 52 | Robert Shaffer | 12 | Son | — | Kansas |
| 53 | Lavonne Shaffer | 7 | Daughter | — | Kansas |
| 54 | Barbara Thielen | 71 | Head | — | Czecho-Slovakia |
| 55 | John K Wilder | 45 | Head | Proprietor | Kansas |
| 56 | Freda F Wilder | 31 | Wife | Waitress | Czecho-Slovakia |
| 57 | Joseph Kubicek | 62 | Head | Retired Farmer | Czecho-Slovakia |
| 58 | Rosie Kraupitz | 71 | Head | — | Czecho-Slovakia |
| 59 | Anna F Soukup | 62 | Head | Nurse | Kansas |
| 60 | Bert Bartlett | 31 | Head | Mechanic | Kansas |
| 61 | Vera Bartlett | 32 | Wife | — | Oklahoma |
| 62 | Rose Marie Bartlett | 9 | Daughter | — | Kansas |
| 63 | John V Soukup | 57 | Head | Proprietor | Czecho-Slovakia |
| 64 | Barbara Soukup | 53 | Wife | — | Czecho-Slovakia |
| 65 | Mary Soukup | 28 | Daughter | Clerk | Kansas |
| 66 | Zdenek J Soukup | 26 | Son | Bookkeeper | Kansas |
| 67 | Joseph D Soukup | 16 | Son | Clerk | Kansas |
| 68 | Mary A Tampier | 78 | Lodger | — | Czecho-Slovakia |
| 69 | Roy E Grill | 45 | Head | Proprietor | Kansas |
| 70 | Olga M Grill | 41 | Wife | Housekeeping | Kansas |
| 71 | Roy E Jr Grill | 17 | Son | — | Kansas |
| 72 | Charles Conrad | 62 | Head | Barber | Indiana |
| 73 | Angelika W Conrad | 52 | Wife | — | Kansas |
| 74 | John F Conrad THIS PERSON | 33 | Son | Poultry, Eggs & Produce | Kansas |
| 75 | Ernest H Conrad | 30 | Son | Laborer | Kansas |
| 76 | Charles A Conrad | 29 | Son | Laborer | Kansas |
| 77 | Anna Mae C Conrad | 18 | Daughter | — | Kansas |
| 78 | Rosie M Conrad | 16 | Daughter | — | Kansas |
| 79 | Georgiana Todd | 77 | Head | — | Minnesota |
| 80 | Belle Todd | 48 | Daughter | Attendant & Bookkeeper | Kansas |
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)