OJ
Oliver Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Coahoma-County, Mississippi
Our Model Tree links this Oliver Johnson across the 1930 and 1940 US Censuses in Coahoma-County, Mississippi (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 11-person household.
Age 13
b. ~1927
Male
Son
Born: Mississippi
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Coahoma-County, Mississippi |
| Surname | Johnson |
| Given Name | Oliver Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Mississippi |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Coahoma |
| Additional Details | |
| Highest Grade | Yes 2 |
| 1935 Residence | Mississippi |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
| Township / Ward | Beat 1 |
| Est. Birth Year | ~1927 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Oliver | Age | Birth yr |
|---|---|---|---|---|
| Oliver Johnson | Son | — | 13 | ~1927 |
| Walter Johnson | Son | — | 21 | ~1919 |
| Calvin Johnson | Son | — | 1 | ~1939 |
| Edgar Johnson | Son | — | 17 | ~1923 |
| Edward Johnson | Son | — | 5 | ~1935 |
| Hattie Johnson | Daughter | — | 14 | ~1926 |
| Robert Johnson | Son | — | 10 | ~1930 |
| Oliver Johnson | Head | — | 48 | ~1892 |
| Erline Johnson | Daughter | — | 7 | ~1933 |
| Aggie Johnson | Spouse | — | 41 | ~1899 |
| Oscar Johnson | Son | — | 18 | ~1922 |
Census Appearances
1930
Coahoma, Mississippi
Son, age 4
Coahoma, Mississippi · implied b. ~1926 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Oliver, Jr. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | Black |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Mississippi |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Occupation | none |
| Can Read/Write | No |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1940
Coahoma-County, Mississippi
Son, age 13
Coahoma-County, Mississippi · implied b. ~1927 — 11 household members
| Surname | Johnson |
| Given Name | Oliver Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Mississippi |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Coahoma |
| Highest Grade | Yes 2 |
| 1935 Residence | Mississippi |
| 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 Oliver Johnson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Oliver Johnson
Son · 1940 · age 13 · b. ~1927 · Mississippi
★ You are viewing this record
Sibling
Hattie Johnson
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edgar Johnson
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Calvin Johnson
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Johnson
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Walter Johnson
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Erline Johnson
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Oscar Johnson
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Johnson
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 — Coahoma-County, Mississippi
Open full size
1940 US Federal Census — Coahoma-County, Mississippi
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02016-00567)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ernest Warren | 14 | Son | — | Mississippi |
| 42 | Lessie Warren | 12 | Daughter | — | Mississippi |
| 43 | Jesse Warren | 10 | Son | — | Mississippi |
| 44 | Levie Washington | 8 | Son | — | Mississippi |
| 45 | Lunsburg Washington | 6 | Daughter | — | Mississippi |
| 46 | Ruby Lee Washington | 3 | Daughter | — | Mississippi |
| 47 | Rosalie Washington | 1 | Daughter | — | Mississippi |
| 48 | Coluta Ashley | 57 | Lodger | — | Mississippi |
| 49 | Music Brooks | 38 | Head | Farmer | Mississippi |
| 50 | Gussie Brooks | 34 | Wife | Farmer | Tennessee |
| 51 | Katherine Brooks | 14 | Daughter | — | Mississippi |
| 52 | Music Louis Brooks | 11 | Son | — | Mississippi |
| 53 | Robert Lee Dixon | 5 | Lodger | — | Tennessee |
| 54 | Clara Mae Brooks | 16 | Daughter | — | Mississippi |
| 55 | Gussie Brooks | 12 | Daughter | — | Mississippi |
| 56 | Thomas A. Stone | 70 | Head | Farmer | Louisiana |
| 57 | Mirtice Stone | 59 | Wife | — | Louisiana |
| 58 | Mary Stone | 29 | Daughter | — | Mississippi |
| 59 | Oliver Johnson | 48 | Head | Farmer | Mississippi |
| 60 | Aggie Lee Johnson | 41 | Wife | — | Mississippi |
| 61 | Walter Johnson | 21 | Son | Farm Laborer | Mississippi |
| 62 | Oscar Johnson | 18 | Son | Farm Laborer | Mississippi |
| 63 | Edgar Johnson | 17 | Son | — | Mississippi |
| 64 | Hattie Johnson | 14 | Daughter | — | Mississippi |
| 65 | Oliver Jr. Johnson THIS PERSON | 13 | Son | — | Mississippi |
| 66 | Robert Johnson | 10 | Son | — | Mississippi |
| 67 | Erline Johnson | 7 | Daughter | — | Mississippi |
| 68 | Edward Johnson | 5 | Son | — | Mississippi |
| 69 | Calvin Johnson | 1 | Son | — | Mississippi |
| 70 | Joe Phillips | 40 | Head | Farmer | Mississippi |
| 71 | Vernedia Phillips | 39 | Wife | — | Mississippi |
| 72 | Jack Bobo | 27 | Head | Farmer | Mississippi |
| 73 | Letitia Bobo | 17 | Wife | — | Mississippi |
| 74 | James Thomas | 42 | Head | Farmer | Mississippi |
| 75 | Willie Thomas | 42 | Wife | — | Mississippi |
| 76 | Jessie Lee Thomas | 18 | Daughter | — | Mississippi |
| 77 | Susie Mae Thomas | 15 | Daughter | — | Mississippi |
| 78 | Virgie B. Thomas | 13 | Daughter | — | Mississippi |
| 79 | James Jr. Thomas | 11 | Son | — | Mississippi |
| 80 | Eva Mae Thomas | 9 | Daughter | — | 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)