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John Knox — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Bienville-County, Louisiana
Our Model Tree links this John Knox across the 1930 and 1940 US Censuses in Bienville-County, Louisiana (XGBoost, ~Confirmed) — first a head (b.~1906), then head of a 9-person household.
Age 34
b. ~1906
Male
Head
Born: Louisiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Bienville-County, Louisiana |
| Surname | Knox |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Louisiana |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Bienville |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Louisiana |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Occupation | Farmer |
| Township / Ward | Ward 6 |
| Est. Birth Year | ~1906 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Eva Knox | Daughter | — | 13 | ~1927 |
| Amos Knox | Son | — | 5 | ~1935 |
| Rena Knox | Daughter | — | 11 | ~1929 |
| John Knox | Head | — | 34 | ~1906 |
| Glory Knox | Daughter | — | 1 | ~1939 |
| Sammie Knox | Spouse | — | 29 | ~1911 |
| Claudine Knox | Daughter | — | 3 | ~1937 |
| Otis Knox | Son | — | 8 | ~1932 |
| O Knox | Son | — | 9 | ~1931 |
Census Appearances
1930
Bienville, Louisiana
Other, age 20
Bienville, Louisiana · implied b. ~1910 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Knox |
| Given Name | John |
| Relationship to Head | Adopted son |
| Sex | M |
| Color / Race | Black |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Occupation | Laborer |
| Industry | General farm |
| Class of Worker | W |
| Can Read/Write | No |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
Bienville-County, Louisiana
Head, age 34
Bienville-County, Louisiana · implied b. ~1906 — 9 household members
| Surname | Knox |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Louisiana |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Bienville |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Louisiana |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
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 Knox across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Knox
Head · 1940 · age 34 · b. ~1906 · Louisiana
★ 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 — Bienville-County, Louisiana
Open full size
1940 US Federal Census — Bienville-County, Louisiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01383-00947)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Louie C Butler | 32 | Brother | Farmer | Louisiana |
| 2 | Horace Jackson | 42 | Head | Farmer | Louisiana |
| 3 | Docia Jackson | 38 | Wife | — | Louisiana |
| 4 | Charlie Cottonham | 33 | Head | Farmer | Louisiana |
| 5 | Carrie Cottonham | 30 | Wife | — | Louisiana |
| 6 | Louise Cottonham | 5 | Daughter | — | Louisiana |
| 7 | W. C. Cottonham | 3 | Son | — | Louisiana |
| 8 | Infant Cottonham | 0 | Son | — | Louisiana |
| 9 | Henry D Duelly | 63 | Head | Farmer | Louisiana |
| 10 | Ida Duelly | 48 | Wife | — | Louisiana |
| 11 | Delton Duelly | 25 | Son | Farm Laborer | Louisiana |
| 12 | Hiram Duelly | 20 | Son | Farmer | Louisiana |
| 13 | Oren Duelly | 18 | Son | Farm Laborer | Louisiana |
| 14 | Curtis Duelly | 14 | Son | — | Louisiana |
| 15 | Billy Duelly | 12 | Son | — | Louisiana |
| 16 | Gilbert Smelley | 27 | Head | Farmer | Louisiana |
| 17 | Florence Smelley | 25 | Wife | — | Louisiana |
| 18 | Bessie Jean Smelley | 3 | Daughter | — | Louisiana |
| 19 | Don Smelley | 1 | Son | — | Louisiana |
| 20 | Edd Smelley | 65 | Head | Farmer | Louisiana |
| 21 | Grace Smelley | 53 | Wife | — | Louisiana |
| 22 | Clarence Smelley | 60 | Brother | — | Louisiana |
| 23 | Hester Smelley | 31 | Head | Farmer | Louisiana |
| 24 | Glennie Smelley | 22 | Wife | — | Louisiana |
| 25 | Jonah Shedrick | 56 | Head | Farm Laborer | Louisiana |
| 26 | Igenia Shedrick | 50 | Wife | — | Louisiana |
| 27 | G. Edd Murphy | 62 | Head | Farmer | Louisiana |
| 28 | Tera Murphy | 57 | Wife | — | Louisiana |
| 29 | John Knox THIS PERSON | 34 | Head | Farmer | Louisiana |
| 30 | Sammie Lee Knox | 29 | Wife | — | Louisiana |
| 31 | Eva Knox | 13 | Daughter | — | Louisiana |
| 32 | Rena Knox | 11 | Daughter | — | Louisiana |
| 33 | O. T. Knox | 9 | Son | — | Louisiana |
| 34 | Otis Knox | 8 | Son | — | Louisiana |
| 35 | Amos Knox | 5 | Son | — | Louisiana |
| 36 | Claudine Knox | 3 | Daughter | — | Louisiana |
| 37 | Glory May Knox | 1 | Daughter | — | Louisiana |
| 38 | Claude Sanders | 35 | Head | Farmer | Louisiana |
| 39 | Cautie Sanders | 27 | Wife | — | Louisiana |
| 40 | Elmer Sanders | 9 | Son | — | Louisiana |
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)