LJ
Leo Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Grady-County, Georgia
Our Model Tree links this Leo Johnson across the 1930 and 1940 US Censuses in Grady-County, Georgia (XGBoost, ~Confirmed) — first a son (b.~1924), then head of a 8-person household.
Age 16
b. ~1924
Male
Son
Born: Georgia
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Grady-County, Georgia |
| Surname | Johnson |
| Given Name | Leo |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Georgia |
| 1935 Residence (City) | Cairo M. D. 753 |
| 1935 Residence (County) | Grady |
| Additional Details | |
| Occupation | Laborer |
| Industry | Own Home |
| Class of Worker | PW |
| Hours Worked | 10 |
| Income (1939) | 16 |
| Highest Grade | No 3 |
| 1935 Residence | Same place |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
| Occupation | Laborer |
| Township / Ward | Cairo M D 753 |
| Est. Birth Year | ~1924 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Leo | Age | Birth yr |
|---|---|---|---|---|
| Sam Johnson | Head | — | 41 | ~1899 |
| Margit Johnson | Daughter | — | 3 | ~1937 |
| Jeanette Johnson | Daughter | — | 11 | ~1929 |
| Leo Johnson | Son | — | 16 | ~1924 |
| Bobby Johnson | Son | — | 1 | ~1939 |
| Martha Johnson | Daughter | — | 6 | ~1934 |
| Charlotte Johnson | Spouse | — | 39 | ~1901 |
| Elda Johnson | Daughter | — | 14 | ~1926 |
Census Appearances
1930
Grady, Georgia
Son, age 7
Grady, Georgia · implied b. ~1923 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Leo |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Georgia |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Can Read/Write | No |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
1940
Grady-County, Georgia
Son, age 16
Grady-County, Georgia · implied b. ~1924 — 8 household members
| Surname | Johnson |
| Given Name | Leo |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Georgia |
| 1935 Residence (City) | Cairo M. D. 753 |
| 1935 Residence (County) | Grady |
| Occupation | Laborer |
| Industry | Own Home |
| Class of Worker | PW |
| Hours Worked | 10 |
| Income (1939) | 16 |
| Highest Grade | No 3 |
| 1935 Residence | Same place |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
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 Leo Johnson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Leo Johnson
Son · 1940 · age 16 · b. ~1924 · Georgia
★ You are viewing this record
Sibling
Martha Johnson
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margit Johnson
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elda Johnson
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jeanette Johnson
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bobby Johnson
Sibling · 1940 · age 1
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 — Grady-County, Georgia
Open full size
1940 US Federal Census — Grady-County, Georgia
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00679-00899)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Estella Wilson | 5 | Daughter | — | Georgia |
| 42 | Lillie R. Wilson | 4 | Daughter | — | Georgia |
| 43 | Janie Wilson | 2 | Daughter | — | Georgia |
| 44 | Annie J. Wilson | 0 | Daughter | — | Georgia |
| 45 | Eldert Williams | 32 | Head | Laborer | Georgia |
| 46 | Martha Williams | 34 | Daughter | Laborer | Georgia |
| 47 | Mary Hankerson | 34 | Daughter | Laborer | Georgia |
| 48 | Ethel Willis | 32 | Daughter | Laborer | Georgia |
| 49 | Mike Willis | 40 | Son-in-law | Laborer | Georgia |
| 50 | Margit Hankerson | 13 | Granddaughter | — | Georgia |
| 51 | Janis Willis | 6 | Granddaughter | — | Georgia |
| 52 | Kenneth Hale | 6 | Grandson | — | Georgia |
| 53 | Leroy Kilmore | 36 | Head | Laborer | Georgia |
| 54 | Nettie Kilmore | 35 | Wife | Laborer | Georgia |
| 55 | Ella M. Kilmore | 14 | Daughter | — | Georgia |
| 56 | Lois Kilmore | 13 | Daughter | — | Georgia |
| 57 | Lillie P. Kilmore | 11 | Daughter | — | Georgia |
| 58 | Troy Giddens | 24 | Brother-in-law | Laborer | Georgia |
| 59 | Rail Giddens | 12 | Brother-in-law | — | Georgia |
| 60 | Sam Johnson | 41 | Head | Woodcutter | Georgia |
| 61 | Charlotte Johnson | 39 | Wife | — | Georgia |
| 62 | Leo Johnson THIS PERSON | 16 | Son | Laborer | Georgia |
| 63 | Elda Johnson | 14 | Daughter | — | Georgia |
| 64 | Jeanette Johnson | 11 | Daughter | — | Georgia |
| 65 | Martha Johnson | 6 | Daughter | — | Georgia |
| 66 | Margit Johnson | 3 | Daughter | — | Georgia |
| 67 | Bobby Johnson | 1 | Son | — | Georgia |
| 68 | William Jackson | 39 | Head | Servant | Georgia |
| 69 | Rosie B. Jackson | 46 | Wife | — | Georgia |
| 70 | Deonell Robinson | 5 | Cousin | — | Georgia |
| 71 | Joe L. Robinson | 2 | Cousin | — | Georgia |
| 72 | Johnie Thomas | 43 | Head | Foreman | Georgia |
| 73 | Paulina Thomas | 31 | Wife | — | Georgia |
| 74 | Nell Thomas | 14 | Daughter | — | Georgia |
| 75 | Anna J. Thomas | 11 | Daughter | — | Georgia |
| 76 | Johnie B. Thomas | 10 | Son | — | Georgia |
| 77 | Carolyn R. Thomas | 1 | Daughter | — | Georgia |
| 78 | Johnie Irwin | 24 | Brother-in-law | Laborer | Georgia |
| 79 | Sam Willis | 50 | Head | Laborer | Georgia |
| 80 | Minnie Willis | 50 | Wife | Laborer | Georgia |
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)