LJ
Luther Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Caroline-County, Virginia
Our Model Tree links this Luther Johnson across the 1930 and 1940 US Censuses in Caroline-County, Virginia (XGBoost, ~Confirmed) — first a son (b.~1923), then head of a 10-person household.
Age 17
b. ~1923
Male
Son
Born: Virginia
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Caroline-County, Virginia |
| Surname | Johnson |
| Given Name | Luther |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Virginia |
| 1935 Residence (City) | Somewhere |
| 1935 Residence (County) | Somewhere |
| Additional Details | |
| Occupation | Laborer |
| Industry | Farming |
| Class of Worker | NP |
| Hours Worked | 56 |
| Highest Grade | No 7 |
| 1935 Residence | Virginia |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
| Occupation | Laborer |
| Township / Ward | Bowling Green District |
| Est. Birth Year | ~1923 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Luther | Age | Birth yr |
|---|---|---|---|---|
| Lucy Johnson | Daughter | — | 3 | ~1937 |
| Emily Johnson | Spouse | — | 16 | ~1924 |
| Luther Johnson | Son | — | 17 | ~1923 |
| William Johnson | Son | — | 18 | ~1922 |
| Hundfield Johnson | Son | — | 5 | ~1935 |
| Martha Johnson | Daughter | — | 15 | ~1925 |
| Mill Johnson | Head | — | 48 | ~1892 |
| Mary Johnson | Daughter | — | 7 | ~1933 |
| Melvin Johnson | Son | — | 19 | ~1921 |
| James Johnson | Son | — | 11 | ~1929 |
Census Appearances
1930
Caroline, Virginia
Son, age 6
Caroline, Virginia · implied b. ~1924 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Luther |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1940
Caroline-County, Virginia
Son, age 17
Caroline-County, Virginia · implied b. ~1923 — 10 household members
| Surname | Johnson |
| Given Name | Luther |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Virginia |
| 1935 Residence (City) | Somewhere |
| 1935 Residence (County) | Somewhere |
| Occupation | Laborer |
| Industry | Farming |
| Class of Worker | NP |
| Hours Worked | 56 |
| Highest Grade | No 7 |
| 1935 Residence | Virginia |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
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 Luther Johnson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Luther Johnson
Son · 1940 · age 17 · b. ~1923 · Virginia
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Sibling
Lucy Johnson
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Johnson
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Melvin Johnson
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Martha Johnson
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hundfield Johnson
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Johnson
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William 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 — Caroline-County, Virginia
Open full size
1940 US Federal Census — Caroline-County, Virginia
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04253-00049)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Andrew Myers | 40 | Head | Laborer | Virginia |
| 42 | Daisy Myers | 38 | Wife | Laborer | Virginia |
| 43 | Helen Myers | 13 | Daughter | — | Virginia |
| 44 | Elizabeth Myers | 12 | Daughter | — | Virginia |
| 45 | Mary Myers | 3 | Daughter | — | Virginia |
| 46 | James Lumpkin | 62 | Head | Logger | Virginia |
| 47 | Mary Lumpkin | 50 | Wife | Laborer | Virginia |
| 48 | Lee Riley Lumpkin | 20 | Son | Laborer | Virginia |
| 49 | Alma Mae Bruce | 13 | Granddaughter | — | Virginia |
| 50 | Richard Jr. Pratt | 28 | Head | Forest Manager | Virginia |
| 51 | Frances Pratt | 24 | Wife | — | Maryland |
| 52 | Barbara Pratt | 6 | Daughter | — | Virginia |
| 53 | Alice Pratt | 4 | Daughter | — | Virginia |
| 54 | Frances Pratt | 3 | Daughter | — | Virginia |
| 55 | Rachel Helm | 35 | Maid | Maid | Virginia |
| 56 | Richard Sr. Pratt | 54 | Head | Dealer | Virginia |
| 57 | Courtney Pratt | 53 | Wife | Laborer | Virginia |
| 58 | Margaret Pratt | 67 | Sister | Laborer | Virginia |
| 59 | Eddie Welsh | 48 | Head | Laborer | Virginia |
| 60 | Louisa Welsh | 39 | Wife | Laborer | Virginia |
| 61 | Daniel Welsh | 17 | Son | Laborer | Virginia |
| 62 | Randolph Welsh | 15 | Son | — | Virginia |
| 63 | Arthur Mercer | 22 | Head | Laborer | Virginia |
| 64 | Margaret Mercer | 19 | Wife | Laborer | Virginia |
| 65 | Herbert Mercer | 19 | Brother | Laborer | Virginia |
| 66 | Mill Johnson | 48 | Head | Laborer | Virginia |
| 67 | Emily Johnson | 16 | Wife | Laborer | Virginia |
| 68 | Melvin Johnson | 19 | Son | Laborer | Virginia |
| 69 | William Johnson | 18 | Son | Laborer | Virginia |
| 70 | Luther Johnson THIS PERSON | 17 | Son | Laborer | Virginia |
| 71 | Martha Johnson | 15 | Daughter | Laborer | Virginia |
| 72 | James Johnson | 11 | Son | — | Virginia |
| 73 | Mary Johnson | 7 | Daughter | — | Virginia |
| 74 | Hundfield Johnson | 5 | Son | — | Virginia |
| 75 | Lucy Johnson | 3 | Daughter | — | Virginia |
| 76 | Harold Kamps | 34 | Head | Engineer | Virginia |
| 77 | Mildred Kamps | 26 | Wife | Typist | Virginia |
| 78 | Henry Kamps | 7 | Son | — | Virginia |
| 79 | Katherine Kamps | 6 | Daughter | — | Virginia |
| 80 | Jane Kamps | 3 | Daughter | — | Virginia |
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)