GJ
Gilbert Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Marion-County, South Carolina
Our Model Tree links this Gilbert Johnson across the 1930 and 1940 US Censuses in Marion-County, South Carolina (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 9-person household.
Age 12
b. ~1928
Male
Son
Born: South Carolina
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, South Carolina |
| Surname | Johnson |
| Given Name | Gilbert H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Reaves Township |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Highest Grade | No 3 |
| 1935 Residence | Same Place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Township / Ward | Reaves Township |
| Est. Birth Year | ~1928 |
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 Gilbert | Age | Birth yr |
|---|---|---|---|---|
| Mary Johnson | Daughter | — | 18 | ~1922 |
| Ruth Johnson | Daughter | — | 10 | ~1930 |
| Gilbert Johnson | Son | — | 12 | ~1928 |
| Ruth Johnson | Spouse | — | 34 | ~1906 |
| Selma Johnson | Daughter | — | 15 | ~1925 |
| Willie Johnson | Son | — | 7 | ~1933 |
| Joseph Johnson | Son | — | 16 | ~1924 |
| George Johnson | Son | — | 20 | ~1920 |
| Joe Johnson | Head | — | 44 | ~1896 |
Census Appearances
1930
Marion, South …
Son, age 2
Marion, South Carolina · implied b. ~1928 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Gilbert H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 2 |
| 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
Marion-County, South …
Son, age 12
Marion-County, South Carolina · implied b. ~1928 — 9 household members
| Surname | Johnson |
| Given Name | Gilbert H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Reaves Township |
| 1935 Residence (County) | Marion |
| Highest Grade | No 3 |
| 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 Gilbert Johnson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Gilbert Johnson
Son · 1940 · age 12 · b. ~1928 · South Carolina
★ You are viewing this record
Sibling
George Johnson
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Johnson
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Johnson
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Johnson
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Willie Johnson
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Selma Johnson
Sibling · 1940 · age 15
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 — Marion-County, South Carolina
Open full size
1940 US Federal Census — Marion-County, South Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03825-00637)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lorene Shaw | 36 | Lodger | Laborer | South Carolina |
| 2 | Fred Johnson | 40 | Head | Farmer | South Carolina |
| 3 | Mary Etta Johnson | 38 | Wife | — | North Carolina |
| 4 | Ernest Johnson | 16 | Son | Laborer | South Carolina |
| 5 | Ventel Johnson | 14 | Son | — | South Carolina |
| 6 | Ida Mae Johnson | 4 | Daughter | — | South Carolina |
| 7 | Bethel Jacobs | 74 | Head | — | South Carolina |
| 8 | Catherine Jacobs | 55 | Wife | Laborer | South Carolina |
| 9 | Willie Lee Jacobs | 4 | Son | — | South Carolina |
| 10 | Boyd Jones | 25 | Boarder | Section Hand | South Carolina |
| 11 | Magalene Jones | 24 | Daughter | Laborer | South Carolina |
| 12 | Willie Platt | 24 | Head | Laborer | South Carolina |
| 13 | Malola Platt | 21 | Wife | — | South Carolina |
| 14 | Willis Platt | 4 | Son | — | South Carolina |
| 15 | Jomie C. Platt | 3 | Son | — | South Carolina |
| 16 | Willa Dean Platt | 1 | Daughter | — | South Carolina |
| 17 | Bulda Mae Platt | 0 | Daughter | — | South Carolina |
| 18 | Mary C. Platt | 73 | Mother | — | North Carolina |
| 19 | A. J. Humphrey | 34 | Head | Farmer | South Carolina |
| 20 | Hazel Humphrey | 31 | Wife | — | South Carolina |
| 21 | Marion Humphrey | 8 | Son | — | South Carolina |
| 22 | Bobbie Humphrey | 4 | Son | — | South Carolina |
| 23 | Ralph Humphrey | 2 | Son | — | South Carolina |
| 24 | Mariana Powers | 21 | Sister-in-law | — | South Carolina |
| 25 | Albert Powers | 2 | Nephew | — | South Carolina |
| 26 | Furman Mccormack | 48 | Lodger | — | South Carolina |
| 27 | Luther Sawyer | 23 | Head | Farmer | South Carolina |
| 28 | Florence Sawyer | 23 | Wife | — | South Carolina |
| 29 | Peggy Ann Sawyer | 2 | Daughter | — | South Carolina |
| 30 | Kenneth S. Sawyer | 1 | Son | — | South Carolina |
| 31 | Zack Sawyer | 63 | Father | — | South Carolina |
| 32 | Joe Johnson | 44 | Head | Farmer | South Carolina |
| 33 | Ruth Johnson | 34 | Wife | — | South Carolina |
| 34 | George Johnson | 20 | Son | Laborer | South Carolina |
| 35 | Mary Johnson | 18 | Daughter | Laborer | South Carolina |
| 36 | Joseph L. Johnson | 16 | Son | Laborer | South Carolina |
| 37 | Selma Johnson | 15 | Daughter | — | South Carolina |
| 38 | Gilbert H. Johnson THIS PERSON | 12 | Son | — | South Carolina |
| 39 | Ruth E. Johnson | 10 | Daughter | — | South Carolina |
| 40 | Willie Johnson | 7 | Son | — | South Carolina |
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)