LJ
Leon Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Orleans-County, Louisiana
Our Model Tree links this Leon Johnson across the 1930 and 1940 US Censuses in Orleans-County, Louisiana (XGBoost, ~Confirmed) — first a son (b.~1926), then head of a 9-person household.
Age 14
b. ~1926
Male
Son
Born: Louisiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Orleans-County, Louisiana |
| Surname | Johnson |
| Given Name | Leon |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | New Orleans City |
| 1935 Residence (County) | Orleans |
| Additional Details | |
| Industry | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Same Place |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Township / Ward | New Orleans City |
| Est. Birth Year | ~1926 |
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 Leon | Age | Birth yr |
|---|---|---|---|---|
| Samuel Johnson | Son | — | 15 | ~1925 |
| Alberta Johnson | Spouse | — | 34 | ~1906 |
| Wilfred Johnson | Son | — | 11 | ~1929 |
| Ernest Johnson | Son | — | 10 | ~1930 |
| Leon Johnson | Son | — | 14 | ~1926 |
| Velma Johnson | Daughter | — | 1 | ~1939 |
| Hanna Hudson | Other | — | 34 | ~1906 |
| Herbert Johnson | Son | — | 12 | ~1928 |
| Albert Johnson | Head | — | 39 | ~1901 |
Census Appearances
1930
Orleans, Louisiana
Son, age 3
Orleans, Louisiana · implied b. ~1927 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Leon |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Occupation | none |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
Orleans-County, Louisiana
Son, age 14
Orleans-County, Louisiana · implied b. ~1926 — 9 household members
| Surname | Johnson |
| Given Name | Leon |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | New Orleans City |
| 1935 Residence (County) | Orleans |
| Industry | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Same Place |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
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 Leon Johnson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Leon Johnson
Son · 1940 · age 14 · b. ~1926 · Louisiana
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Sibling
Velma Johnson
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Herbert Johnson
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Samuel Johnson
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wilfred Johnson
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ernest Johnson
Sibling · 1940 · age 10
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 — Orleans-County, Louisiana
Open full size
1940 US Federal Census — Orleans-County, Louisiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01431-00523)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | William Jr Pepper | 12 | Son | — | Louisiana |
| 42 | Percy Scott | 26 | Head | Cook | Louisiana |
| 43 | Ida Lee Scott | 22 | Wife | — | Louisiana |
| 44 | Victoria Farrar | 44 | Head | — | Louisiana |
| 45 | Mildred M France | 20 | Daughter | — | Louisiana |
| 46 | Flora Mclane | 50 | Head | — | Louisiana |
| 47 | Rose Lambert | 52 | Head | — | Louisiana |
| 48 | Rose M Lambert | 6 | Daughter | — | Louisiana |
| 49 | Alice Travis | 34 | Head | Cook | Louisiana |
| 50 | Rosa Aulston | 39 | Head | Housework | Mississippi |
| 51 | Ida Mae Alexander | 41 | Head | Laundress | Louisiana |
| 52 | Florence Epps | 36 | Head | — | Louisiana |
| 53 | Allen Epps | 19 | Son | New Worker | Louisiana |
| 54 | Albert Johnson | 39 | Head | Laborer | Louisiana |
| 55 | Alberta Johnson | 34 | Wife | — | Louisiana |
| 56 | Samuel Jr Johnson | 15 | Son | — | Louisiana |
| 57 | Leon Johnson THIS PERSON | 14 | Son | — | Louisiana |
| 58 | Wilfred Johnson | 11 | Son | — | Louisiana |
| 59 | Ernest Johnson | 10 | Son | — | Louisiana |
| 60 | Velma M Johnson | 1 | Daughter | — | Louisiana |
| 61 | Herbert Johnson | 12 | Son | — | Louisiana |
| 62 | Hanna Hudson | 34 | Sister-in-law | — | Louisiana |
| 63 | Victor Jenkins | 24 | Head | Yard Man | Louisiana |
| 64 | Augustine Jenkins | 22 | Wife | Housework | Louisiana |
| 65 | Joseph Avery | 21 | Brother-in-law | Peddler | Louisiana |
| 66 | Merline Jones | 19 | Sister-in-law | — | Louisiana |
| 67 | Amelia Avery | 36 | Head | Housework | Louisiana |
| 68 | John Avery | 16 | Son | Delivery Boy | Louisiana |
| 69 | Celia Thomas | 56 | Head | Housework | Louisiana |
| 70 | Robert Thomas | 30 | Son | Delivery Man | Louisiana |
| 71 | Ida Thomas | 24 | Daughter-in-law | Laundress | Louisiana |
| 72 | Robert Jr Thomas | 8 | Grandson | — | Louisiana |
| 73 | Irma Thomas | 9 | Granddaughter | — | Louisiana |
| 74 | Elvira Williams | 35 | Head | Housework | Louisiana |
| 75 | Lloyd Hilliard | 47 | Head | Chauffeur | Louisiana |
| 76 | Lucy Hilliard | 44 | Wife | — | Louisiana |
| 77 | Julius Mitchell | 43 | Head | Longshoreman | Louisiana |
| 78 | Ariel Mitchell | 48 | Wife | Cook | Louisiana |
| 79 | Edward Lebert | 27 | Step son | Porter | Louisiana |
| 80 | Ernest Jackson | 54 | Head | — | Kentucky |
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)