LJ
Leroy Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Darlington-County, South Carolina
Our Model Tree links this Leroy Johnson across the 1930 and 1940 US Censuses in Darlington-County, South Carolina (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 9-person household.
Age 19
b. ~1921
Male
Son
Born: South Carolina
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Darlington-County, South Carolina |
| Surname | Johnson |
| Given Name | Leroy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 19 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Darlington City |
| 1935 Residence (County) | Darlington |
| Additional Details | |
| Occupation | Laborer |
| Industry | Cotton Mill |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 100 |
| Highest Grade | No 2 |
| 1935 Residence | Same Place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Occupation | Laborer |
| Township / Ward | Darlington City |
| Est. Birth Year | ~1921 |
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 Leroy | Age | Birth yr |
|---|---|---|---|---|
| Oscar Johnson | Son | — | 24 | ~1916 |
| Mary Johnson | Daughter | — | 13 | ~1927 |
| Charles Johnson | Son | — | 6 | ~1934 |
| Rosa Johnson | Daughter | — | 18 | ~1922 |
| Elena Johnson | Head | — | 48 | ~1892 |
| Annie Johnson | Daughter | — | 24 | ~1916 |
| Lawrence Johnson | Son | — | 14 | ~1926 |
| Sammy Johnson | Son | — | 2 | ~1938 |
| Leroy Johnson | Son | — | 19 | ~1921 |
Census Appearances
1930
Darlington, South …
Son, age 9
Darlington, South Carolina · implied b. ~1921 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Leroy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 9 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Can Read/Write | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Darlington-County, South …
Son, age 19
Darlington-County, South Carolina · implied b. ~1921 — 9 household members
| Surname | Johnson |
| Given Name | Leroy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 19 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Darlington City |
| 1935 Residence (County) | Darlington |
| Occupation | Laborer |
| Industry | Cotton Mill |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 100 |
| Highest Grade | No 2 |
| 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 Leroy Johnson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Leroy Johnson
Son · 1940 · age 19 · b. ~1921 · South Carolina
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Sibling
Charles Johnson
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lawrence Johnson
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Johnson
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Annie Johnson
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rosa Johnson
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sammy Johnson
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Oscar Johnson
Sibling · 1940 · age 24
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 — Darlington-County, South Carolina
Open full size
1940 US Federal Census — Darlington-County, South Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03802-00141)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Eva Alexander | 39 | Wife | — | South Carolina |
| 2 | Willard Davis | 37 | Head | Laborer | South Carolina |
| 3 | Alice Bronson | 45 | Lodger | — | South Carolina |
| 4 | Katherine Backers | 25 | Lodger | — | South Carolina |
| 5 | Fanny James | 68 | Head | — | South Carolina |
| 6 | Annie Harrison | 19 | Daughter | Servant | South Carolina |
| 7 | Ellen Zimmerman | 28 | Head | Servant | South Carolina |
| 8 | Mary E. Zimmerman | 12 | Daughter | — | South Carolina |
| 9 | Lily M. Zimmerman | 10 | Daughter | — | South Carolina |
| 10 | Geraldine Zimmerman | 6 | Daughter | — | South Carolina |
| 11 | Laurie Mullins | 30 | Head | Laborer | South Carolina |
| 12 | Mary Mullins | 26 | Wife | — | South Carolina |
| 13 | Annie Hopkins | 46 | Head | Servant | South Carolina |
| 14 | Silas Hopkins | 17 | Son | Laborer | South Carolina |
| 15 | Patsy M. Hopkins | 11 | Daughter | — | South Carolina |
| 16 | Jake Harrison | 23 | Head | Butler | South Carolina |
| 17 | Harriett Harrison | 22 | Wife | — | South Carolina |
| 18 | Elena Johnson | 48 | Head | — | South Carolina |
| 19 | Oscar Johnson | 24 | Son | Laborer | South Carolina |
| 20 | Leroy Johnson THIS PERSON | 19 | Son | Laborer | South Carolina |
| 21 | Annie M. Johnson | 24 | Daughter | Seamstress | South Carolina |
| 22 | Rosa Lee Johnson | 18 | Daughter | New Worker | South Carolina |
| 23 | Lawrence Johnson | 14 | Son | — | South Carolina |
| 24 | Mary L. Johnson | 13 | Daughter | — | South Carolina |
| 25 | Charles Johnson | 6 | Son | — | South Carolina |
| 26 | Sammy Johnson | 2 | Son | — | South Carolina |
| 27 | Robert Mack | 22 | Head | Laborer | South Carolina |
| 28 | Leola Mack | 17 | Wife | — | South Carolina |
| 29 | Willie Lee Williams | 35 | Head | Servant | South Carolina |
| 30 | Leroy Williams | 19 | Son | Laborer | South Carolina |
| 31 | Ruth Williams | 16 | Daughter | Servant | South Carolina |
| 32 | Willard Davis | 26 | Head | Laborer | South Carolina |
| 33 | Bill James | 30 | Head | Laborer | South Carolina |
| 34 | Sam Wingate | 37 | Head | Laborer | South Carolina |
| 35 | Eula Wingate | 26 | Wife | — | South Carolina |
| 36 | Milton Walls | 45 | Head | Laborer | South Carolina |
| 37 | Lizzie Walls | 26 | Wife | — | South Carolina |
| 38 | Jane Walls | 6 | Daughter | — | South Carolina |
| 39 | Johnnie Reid | 24 | Head | Laborer | South Carolina |
| 40 | Annie Reid | 20 | Wife | — | 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)