MJ
Marion Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Sumter-County, South Carolina
Our Model Tree links this Marion Johnson across the 1930 and 1940 US Censuses in Sumter-County, South Carolina (XGBoost, ~Confirmed) — first a son (b.~1922), then head of a 9-person household.
Age 18
b. ~1922
Male
Son
Born: South Carolina
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Sumter-County, South Carolina |
| Surname | Johnson |
| Given Name | Marion |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 18 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Sumter |
| Additional Details | |
| Occupation | Farm Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 104 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Occupation | Farm Laborer |
| Township / Ward | Privateer Township |
| Est. Birth Year | ~1922 |
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 Marion | Age | Birth yr |
|---|---|---|---|---|
| Georgia Johnson | Daughter | — | 25 | ~1915 |
| Ida Johnson | Daughter | — | 21 | ~1919 |
| Daisy Johnson | Daughter | — | 14 | ~1926 |
| Carrie Johnson | Daughter | — | 26 | ~1914 |
| Isaac Johnson | Head | — | 52 | ~1888 |
| Marion Johnson | Son | — | 18 | ~1922 |
| Joseph Johnson | Son | — | 12 | ~1928 |
| Moses Johnson | Son | — | 19 | ~1921 |
| Ida Johnson | Spouse | — | 53 | ~1887 |
Census Appearances
1930
Sumter, South …
Son, age 7
Sumter, South Carolina · implied b. ~1923 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Marion |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 7 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Sumter-County, South …
Son, age 18
Sumter-County, South Carolina · implied b. ~1922 — 9 household members
| Surname | Johnson |
| Given Name | Marion |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 18 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Sumter |
| Occupation | Farm Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 104 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
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 Marion Johnson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Marion Johnson
Son · 1940 · age 18 · b. ~1922 · South Carolina
★ You are viewing this record
Sibling
Joseph Johnson
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ida Johnson
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carrie Johnson
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Georgia Johnson
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Moses Johnson
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Daisy Johnson
Sibling · 1940 · age 14
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 — Sumter-County, South Carolina
Open full size
1940 US Federal Census — Sumter-County, South Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03841-00304)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ide Davis | 25 | Son-in-law | Farm Laborer | South Carolina |
| 2 | Katharine Davis | 16 | Daughter | — | South Carolina |
| 3 | Elizabeth Knight | 3 | Granddaughter | — | South Carolina |
| 4 | Wilamena Butler | 1 | Granddaughter | — | South Carolina |
| 5 | Gabe Knight | 65 | Head | Farmer | South Carolina |
| 6 | Ella Knight | 64 | Wife | Farm Laborer | South Carolina |
| 7 | Arthur Knight | 19 | Son | Farm Laborer | South Carolina |
| 8 | Ella Mae Knight | 17 | Daughter | Farm Laborer | South Carolina |
| 9 | John Hector | 21 | Lodger | Farm Laborer | South Carolina |
| 10 | Isaac Johnson | 52 | Head | Farm Laborer | South Carolina |
| 11 | Ida Johnson | 53 | Wife | — | South Carolina |
| 12 | Carrie Johnson | 26 | Daughter | Farm Laborer | South Carolina |
| 13 | Georgia Mae Johnson | 25 | Daughter | — | South Carolina |
| 14 | Ida Lou Johnson | 21 | Daughter | — | South Carolina |
| 15 | Moses Johnson | 19 | Son | Farm Laborer | South Carolina |
| 16 | Marion Johnson THIS PERSON | 18 | Son | Farm Laborer | South Carolina |
| 17 | Daisy Johnson | 14 | Daughter | — | South Carolina |
| 18 | Joseph Johnson | 12 | Son | — | South Carolina |
| 19 | Sarah Pierson | 41 | Head | Farm Laborer | South Carolina |
| 20 | Gardenia Pierson | 18 | Daughter | Farm Laborer | South Carolina |
| 21 | Annie Mae Pierson | 17 | Daughter | — | South Carolina |
| 22 | Gladys Pierson | 15 | Daughter | — | South Carolina |
| 23 | Benjamin Pierson | 14 | Son | Farm Laborer | South Carolina |
| 24 | Mary Pierson | 13 | Daughter | — | South Carolina |
| 25 | Roxie Pierson | 11 | Daughter | — | South Carolina |
| 26 | Rosa Moses | 26 | Sister | Cook | South Carolina |
| 27 | Eugene Brunson | 25 | Head | Glue Clamp | South Carolina |
| 28 | Rozena Brunson | 20 | Wife | — | South Carolina |
| 29 | Rosanna Brunson | 5 | Daughter | — | South Carolina |
| 30 | Dora Mae Brunson | 4 | Daughter | — | South Carolina |
| 31 | Lealie Brunson | 1 | Son | — | South Carolina |
| 32 | Joe Green | 31 | Head | Tail Planer | South Carolina |
| 33 | Margaret Green | 24 | Wife | — | South Carolina |
| 34 | Preston Green | 9 | Son | — | South Carolina |
| 35 | Ellis Green | 8 | Son | — | South Carolina |
| 36 | William Green | 7 | Son | — | South Carolina |
| 37 | Annie Lucia Green | 5 | Daughter | — | South Carolina |
| 38 | Lucia Mae Green | 4 | Daughter | — | South Carolina |
| 39 | Joe Louis Green | 2 | Son | — | South Carolina |
| 40 | Joseph White | 74 | Head | Farmer | South Carolina |
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)