RJ
Ruby Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Chesterfield-County, South Carolina
Our Model Tree links this Ruby Johnson across the 1930 and 1940 US Censuses in Chesterfield-County, South Carolina (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 15-person household.
Age 12
b. ~1928
Female
Daughter
Born: South Carolina
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Chesterfield-County, South Carolina |
| Surname | Johnson |
| Given Name | Ruby Mae |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Cheraw Township |
| 1935 Residence (County) | Chesterfield |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 0 |
| 1935 Residence | Same place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Township / Ward | Cheraw 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.
15 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ruby | Age | Birth yr |
|---|---|---|---|---|
| Doris Johnson | Daughter | — | 5 | ~1935 |
| Helma Johnson | Daughter | — | 14 | ~1926 |
| Ruby Johnson | Daughter | — | 12 | ~1928 |
| Thea Johnson | Daughter | — | 20 | ~1920 |
| Long Johnson | Head | — | 45 | ~1895 |
| Willie Johnson | Other | — | 23 | ~1917 |
| Hattie Johnson | Other | — | 5 | ~1935 |
| Catherine Johnson | Other | — | 5 | ~1935 |
| Ida Johnson | Other | — | 5 | ~1935 |
| Thomas Johnson | Other | — | 2 | ~1938 |
| Lee Johnson | Son | — | 7 | ~1933 |
| O Johnson | Son | — | 16 | ~1924 |
| Lewis Johnson | Son | — | 18 | ~1922 |
| James Johnson | Son | — | 9 | ~1931 |
| Rosilla Johnson | Spouse | — | 45 | ~1895 |
Census Appearances
1930
Chesterfield, South …
Daughter, age 1
Chesterfield, South Carolina · implied b. ~1929 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Ruby M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 1 |
| 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
Chesterfield-County, South …
Daughter, age 12
Chesterfield-County, South Carolina · implied b. ~1928 — 15 household members
| Surname | Johnson |
| Given Name | Ruby Mae |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Cheraw Township |
| 1935 Residence (County) | Chesterfield |
| Income (1939) | 0 |
| Highest Grade | No 0 |
| 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 Ruby Johnson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ruby Johnson
Daughter · 1940 · age 12 · b. ~1928 · South Carolina
★ You are viewing this record
Sibling
Doris Johnson
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thea Johnson
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lee Johnson
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Johnson
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helma Johnson
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
O Johnson
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lewis Johnson
Sibling · 1940 · age 18
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 — Chesterfield-County, South Carolina
Open full size
1940 US Federal Census — Chesterfield-County, South Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03799-00284)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Annie Bee Campbell | 30 | Wife | — | South Carolina |
| 42 | Janis Campbell | 5 | Son | — | South Carolina |
| 43 | John Campbell | 4 | Son | — | South Carolina |
| 44 | Fredie Campbell | 3 | Son | — | South Carolina |
| 45 | Lina Bee Campbell | 1 | Daughter | — | South Carolina |
| 46 | Evelyn Campbell | 0 | Daughter | — | South Carolina |
| 47 | Johnie Smith | 22 | Head | Labourer | South Carolina |
| 48 | Edora Smith | 18 | Wife | — | South Carolina |
| 49 | Elizabeth Smith | 0 | Daughter | — | South Carolina |
| 50 | D. J. Jones | 44 | Head | Farmer | South Carolina |
| 51 | Mozellar Jones | 40 | Wife | — | South Carolina |
| 52 | Daisy Jones | 18 | Daughter | — | South Carolina |
| 53 | Robert Jones | 17 | Son | Labourer | South Carolina |
| 54 | Clinton Jones | 13 | Son | — | South Carolina |
| 55 | David Jones | 12 | Son | — | South Carolina |
| 56 | Mozellar Jones | 9 | Daughter | — | South Carolina |
| 57 | Dinnie Jones | 4 | Son | — | South Carolina |
| 58 | Long Johnson | 45 | Head | Farmer | South Carolina |
| 59 | Rosilla Johnson | 45 | Wife | — | South Carolina |
| 60 | Thea Johnson | 20 | Daughter | — | South Carolina |
| 61 | Lewis Johnson | 18 | Son | Laborer | South Carolina |
| 62 | O. C. Johnson | 16 | Son | Laborer | South Carolina |
| 63 | Helma Johnson | 14 | Daughter | — | South Carolina |
| 64 | Ruby Mae Johnson THIS PERSON | 12 | Daughter | — | South Carolina |
| 65 | James Johnson | 9 | Son | — | South Carolina |
| 66 | Lee T. Johnson | 7 | Son | — | South Carolina |
| 67 | Doris Johnson | 5 | Daughter | — | South Carolina |
| 68 | Hattie Belle Johnson | 5 | Granddaughter | — | South Carolina |
| 69 | Ida Mae Johnson | 5 | Granddaughter | — | South Carolina |
| 70 | Catherine Johnson | 5 | Granddaughter | — | South Carolina |
| 71 | Thomas Jr. Johnson | 2 | Grandson | — | South Carolina |
| 72 | Willie Johnson | 23 | Grandson | — | South Carolina |
| 73 | Dave Ratcliff | 40 | Head | Laborer | South Carolina |
| 74 | Laura Ratcliff | 37 | Wife | Farmer | South Carolina |
| 75 | Annie Bell Ratcliff | 20 | Daughter | — | South Carolina |
| 76 | Leola Ratcliff | 18 | Daughter | — | South Carolina |
| 77 | Alice Ratcliff | 17 | Daughter | — | South Carolina |
| 78 | Effie Lee Ratcliff | 14 | Daughter | — | South Carolina |
| 79 | James Ratcliff | 10 | Son | — | South Carolina |
| 80 | Dave Jr. Ratcliff | 8 | 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)