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John Blackwell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Franklin-County, Missouri
Our Model Tree links this John Blackwell across the 1920, 1930 and 1940 US Censuses in Franklin-County, Missouri (XGBoost, ~Confirmed) — first a head (b.~1882), then head of a 7-person household.
Age 58
b. ~1882
Male
Head
Born: Missouri
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Franklin-County, Missouri |
| Surname | Blackwell |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Boone Twp |
| 1935 Residence (County) | Franklin |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Farmer |
| Township / Ward | Boone Twp |
| Est. Birth Year | ~1882 |
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 |
|---|---|---|---|---|
| Milford Blackwell | Son | — | 19 | ~1921 |
| Violet Blackwell | Spouse | — | 25 | ~1915 |
| Milton Blackwell | Son | — | 15 | ~1925 |
| Ervin Blackwell | Son | — | 24 | ~1916 |
| Norma Blackwell | Other | — | 5 | ~1935 |
| Earl Blackwell | Son | — | 28 | ~1912 |
| John Blackwell | Head | — | 58 | ~1882 |
Census Appearances
1920
Franklin, Missouri
Head, age 35
Franklin, Missouri · implied b. ~1885 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Blackwell |
| Given Name | John N |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | Farmer |
| Industry | General Fa |
| Class of Worker | Oa |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
Franklin, Missouri
Head, age 47
Franklin, Missouri · implied b. ~1883 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Blackwell |
| Given Name | John P. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Missouri |
| Age at First Marriage | 25 |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | Farmer |
| Industry | Crop farm |
| Class of Worker | VVVV O |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Franklin-County, Missouri
Head, age 58
Franklin-County, Missouri · implied b. ~1882 — 7 household members
| Surname | Blackwell |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Boone Twp |
| 1935 Residence (County) | Franklin |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 Blackwell 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 Blackwell
Head · 1940 · age 58 · b. ~1882 · Missouri
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Franklin-County, Missouri
Open full size
1940 US Federal Census — Franklin-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02105-00197)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Nelson Brandhorst | 17 | Son | Laborer | Missouri |
| 42 | Charles Brandhorst | 9 | Son | — | Missouri |
| 43 | Fred Marting | 66 | Head | Farmer | Missouri |
| 44 | Susie Marting | 66 | Wife | — | Missouri |
| 45 | John Blackwell THIS PERSON | 58 | Head | Farmer | Missouri |
| 46 | Violet Blackwell | 25 | Wife | — | Missouri |
| 47 | Earl Blackwell | 28 | Son | Laborer | Missouri |
| 48 | Ervin Blackwell | 24 | Son | Laborer | Missouri |
| 49 | Milford Blackwell | 19 | Son | Laborer | Missouri |
| 50 | Milton Blackwell | 15 | Son | Laborer | Missouri |
| 51 | Norma Jean Blackwell | 5 | Dau | — | Missouri |
| 52 | Walter Tattman | 41 | Head | Farmer | Missouri |
| 53 | Grace Tattman | 41 | Wife | — | Missouri |
| 54 | Opal Tattman | 19 | Dau | — | Missouri |
| 55 | Marvin Tattman | 17 | Son | Laborer | Missouri |
| 56 | Melvin Tattman | 16 | Son | Laborer | Missouri |
| 57 | Walter Jr Tattman | 15 | Son | — | Missouri |
| 58 | Velma Tattman | 13 | Dau | — | Missouri |
| 59 | Shirley Tattman | 10 | Dau | — | Missouri |
| 60 | Arlene Tattman | 8 | Dau | — | Missouri |
| 61 | Arlan Tattman | 7 | Son | — | Missouri |
| 62 | Darwin Tattman | 5 | Son | — | Missouri |
| 63 | Neil Tattman | 2 | Son | — | Missouri |
| 64 | Henry Hoeltey | 66 | Head | Farmer | Missouri |
| 65 | Amanda Hoeltey | 59 | Sister | — | Missouri |
| 66 | Edward Elbert | 63 | Head | Farmer | Missouri |
| 67 | Fred Kreft | 48 | Head | Farmer | Missouri |
| 68 | Lena Kreft | 47 | Wife | — | Missouri |
| 69 | Frances Kreft | 20 | Dau | — | Missouri |
| 70 | Ruth Kreft | 17 | Dau | — | Missouri |
| 71 | Howard Kreft | 14 | Son | Laborer | Missouri |
| 72 | Ralph Drewel | 6 | Grandson | — | Missouri |
| 73 | Sol Morgan | 59 | Head | Farmer | Iowa |
| 74 | Catherine Morgan | 50 | Wife | — | Illinois |
| 75 | Phillip Piezuch | 39 | Head | Farmer | Missouri |
| 76 | Lillian Piezuch | 32 | Wife | — | Missouri |
| 77 | Rosemary Piezuch | 11 | Dau | — | Missouri |
| 78 | Cecelia Piezuch | 7 | Dau | — | Missouri |
| 79 | Franklin Piezuch | 1 | Son | — | Missouri |
| 80 | William Baston | 69 | Hired Hand | Laborer | Missouri |
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)