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John Douglas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Madison-County, Mississippi
Our Model Tree links this John Douglas across the 1920, 1930 and 1940 US Censuses in Madison-County, Mississippi (XGBoost, ~Confirmed) — first a head (b.~1892), then head of a 3-person household.
Age 48
b. ~1892
Male
Head
Born: Mississippi
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Madison-County, Mississippi |
| Surname | Douglas |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Mississippi |
| 1935 Residence (City) | Beat 4 |
| 1935 Residence (County) | Madison |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | No 3 |
| 1935 Residence | Same house |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
| Occupation | Farmer |
| Township / Ward | Beat 4 |
| Est. Birth Year | ~1892 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Douglas | Head | — | 48 | ~1892 |
| Ernest Douglas | Son | — | 10 | ~1930 |
| Fannie Douglas | Spouse | — | 46 | ~1894 |
Census Appearances
1920
Madison, Mississippi
Head, age 25
Madison, Mississippi · implied b. ~1895 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Douglas |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Mississippi |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Occupation | Farming |
| Industry | Gen farm |
| Class of Worker | OA |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1930
Madison, Mississippi
Head, age 37
Madison, Mississippi · implied b. ~1893 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Douglas |
| Given Name | Joe |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Mississippi |
| Age at First Marriage | 18 |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Occupation | Farmer |
| Industry | General farm |
| Class of Worker | OA |
| Can Read/Write | No |
| Home Owned/Rented | R |
| Veteran | No |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1940
Madison-County, Mississippi
Head, age 48
Madison-County, Mississippi · implied b. ~1892 — 3 household members
| Surname | Douglas |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Mississippi |
| 1935 Residence (City) | Beat 4 |
| 1935 Residence (County) | Madison |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | No 3 |
| 1935 Residence | Same house |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
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 Douglas 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 Douglas
Head · 1940 · age 48 · b. ~1892 · Mississippi
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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 — Madison-County, Mississippi
Open full size
1940 US Federal Census — Madison-County, Mississippi
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02047-00816)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | J M Pearce | 62 | Head | Farmer | British Honduras |
| 2 | Lucy Pearce | 47 | Wife | — | Mississippi |
| 3 | J M Jr Pearce | 19 | Son | — | Mississippi |
| 4 | Harry Pearce | 19 | Nephew | — | British Honduras |
| 5 | Ernest Douglass | 46 | Head | Farmer | Mississippi |
| 6 | Rena Douglass | 44 | Wife | — | Mississippi |
| 7 | John Conway | 16 | Nephew | Farm Labor | Mississippi |
| 8 | Percy Conway | 14 | Nephew | Farm Labor | Mississippi |
| 9 | J C Conway | 13 | Nephew | — | Mississippi |
| 10 | Bessie Bennett | 32 | Niece | — | Mississippi |
| 11 | Catherine Williams | 9 | Grandchild | — | Mississippi |
| 12 | Ernestine Williams | 8 | Grandchild | — | Mississippi |
| 13 | Clementine Luckett | 8 | Child | — | Mississippi |
| 14 | John Douglas THIS PERSON | 48 | Head | Farmer | Mississippi |
| 15 | Fannie Douglas | 46 | Wife | — | Mississippi |
| 16 | Ernest Douglas | 10 | Son | — | Mississippi |
| 17 | Ike Douglas | 29 | Head | Farmer | Mississippi |
| 18 | Mary Douglas | 24 | Wife | — | Mississippi |
| 19 | Hugh Smith | 38 | Head | Farm Labor | Louisiana |
| 20 | Lucie Smith | 27 | Wife | — | Mississippi |
| 21 | Hugh Jr Smith | 11 | Son | — | Mississippi |
| 22 | Mary Smith | 8 | Daughter | — | Mississippi |
| 23 | Elbert Smith | 2 | Son | — | Mississippi |
| 24 | Mrs Pam Pace | 38 | Head | Farmer | Mississippi |
| 25 | Jane Sadler | 79 | Head | — | Mississippi |
| 26 | Elvie Scott | 29 | Granddaughter | — | Mississippi |
| 27 | Ed Gorman | 33 | Boarder | Farmer | Mississippi |
| 28 | Maggie Mae Day | 13 | Daughter | — | Mississippi |
| 29 | Moses Davis | 30 | Head | Farmer | Mississippi |
| 30 | Elizabeth Davis | 30 | Wife | — | Mississippi |
| 31 | Charles Davis | 29 | Head | Farmer | Mississippi |
| 32 | Katie B Davis | 63 | Mother | — | Mississippi |
| 33 | Clearance Sadler | 6 | Cousin | — | Mississippi |
| 34 | Minerva Davis | 33 | Head | Farmer | Mississippi |
| 35 | Philip Ching | 15 | Son | Farm Labor | Mississippi |
| 36 | Claridge Porter | 11 | Son | — | Mississippi |
| 37 | Modell Porter | 9 | Daughter | — | Mississippi |
| 38 | Minnie Lou Porter | 7 | Daughter | — | Mississippi |
| 39 | Coleman Porter | 5 | Son | — | Mississippi |
| 40 | John Leroy Porter | 4 | Son | — | Mississippi |
Related Census Records
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)