LJ
Leon Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Evangeline-County, Louisiana
Our Model Tree links this Leon Johnson across the 1930 and 1940 US Censuses in Evangeline-County, Louisiana (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 9-person household.
Age 19
b. ~1921
Male
Son
Born: Louisiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Evangeline-County, Louisiana |
| Surname | Johnson |
| Given Name | Leon |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Ward 4 |
| 1935 Residence (County) | Evangeline |
| Additional Details | |
| Occupation | Laborer |
| Industry | Dairy |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 288 |
| Highest Grade | S 7 |
| 1935 Residence | Same place |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Occupation | Laborer |
| Township / Ward | Ward 4 |
| 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 Leon | Age | Birth yr |
|---|---|---|---|---|
| Elsie Johnson | Daughter | — | 23 | ~1917 |
| Octavia Johnson | Spouse | — | 52 | ~1888 |
| N Johnson | Head | — | 50 | ~1890 |
| B Johnson | Son | — | 17 | ~1923 |
| Susan Johnson | Daughter | — | 14 | ~1926 |
| Gladys Johnson | Daughter | — | 25 | ~1915 |
| Yvonne Johnson | Daughter | — | 9 | ~1931 |
| N Johnson | Son | — | 11 | ~1929 |
| Leon Johnson | Son | — | 19 | ~1921 |
Census Appearances
1930
Evangeline, Louisiana
Son, age 8
Evangeline, Louisiana · implied b. ~1922 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Leon |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| 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
Evangeline-County, Louisiana
Son, age 19
Evangeline-County, Louisiana · implied b. ~1921 — 9 household members
| Surname | Johnson |
| Given Name | Leon |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Ward 4 |
| 1935 Residence (County) | Evangeline |
| Occupation | Laborer |
| Industry | Dairy |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 288 |
| Highest Grade | S 7 |
| 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 19 · b. ~1921 · Louisiana
★ You are viewing this record
Sibling
Elsie Johnson
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
B Johnson
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Susan Johnson
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gladys Johnson
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Yvonne Johnson
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
N Johnson
Sibling · 1940 · age 11
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 — Evangeline-County, Louisiana
Open full size
1940 US Federal Census — Evangeline-County, Louisiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01400-00680)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James Edward West | 10 | Son | — | Louisiana |
| 2 | Linwood Smith | 66 | Head | Farmer | Louisiana |
| 3 | Millie Smith | 65 | Wife | — | Louisiana |
| 4 | John Edwards | 49 | Step-son | Farm Laborer | Louisiana |
| 5 | Charles T. Smith | 42 | Head | Farm Laborer | Louisiana |
| 6 | Julia Smith | 38 | Wife | — | Louisiana |
| 7 | Jessie Smith | 21 | Daughter | — | Louisiana |
| 8 | Carley Smith | 17 | Son | — | Louisiana |
| 9 | Juanita Smith | 4 | Daughter | — | Louisiana |
| 10 | Paul Gourdon | 48 | Head | Farmer | Louisiana |
| 11 | Rosa D. Gourdon | 44 | Wife | — | Louisiana |
| 12 | F. P. Gourdon | 21 | Son | Farm Laborer | Louisiana |
| 13 | Ellison Gourdon | 17 | Son | — | Louisiana |
| 14 | Paul Gourdon | 12 | Son | — | Louisiana |
| 15 | Serivan Gourdon | 10 | Son | — | Louisiana |
| 16 | Bernadine Gourdon | 7 | Daughter | — | Louisiana |
| 17 | Andrew Perry Gourdon | 4 | Son | — | Louisiana |
| 18 | J. S. D. Boutte | 55 | Head | Farmer | Louisiana |
| 19 | Mary Boutte | 36 | Wife | — | Louisiana |
| 20 | W. D. Boutte | 12 | Son | — | Louisiana |
| 21 | S. H. Day | 68 | Head | Farmer | Texas |
| 22 | Sarah Lucinda Day | 69 | Wife | — | Louisiana |
| 23 | Ennis Day | 14 | Grandson | — | Louisiana |
| 24 | Benford B. Smith | 35 | Head | Farmer | Louisiana |
| 25 | Hetta Smith | 32 | Wife | — | Louisiana |
| 26 | Adie Smith | 11 | Daughter | — | Louisiana |
| 27 | Marie Smith | 6 | Son | — | Louisiana |
| 28 | Ethel Smith | 4 | Daughter | — | Louisiana |
| 29 | Ezra D. Simmons | 28 | Head | Farmer | Louisiana |
| 30 | Brosie Simmons | 27 | Wife | — | Louisiana |
| 31 | N. E. Johnson | 50 | Head | Farmer | Louisiana |
| 32 | Octavia Johnson | 52 | Wife | — | Louisiana |
| 33 | Gladys Johnson | 25 | Daughter | Maid | Louisiana |
| 34 | Elsie Johnson | 23 | Daughter | Farm Laborer | Louisiana |
| 35 | Leon Johnson THIS PERSON | 19 | Son | Laborer | Louisiana |
| 36 | B. E. Johnson | 17 | Son | Farm Laborer | Louisiana |
| 37 | Susan Johnson | 14 | Daughter | — | Louisiana |
| 38 | N. E. Jr. Johnson | 11 | Son | — | Louisiana |
| 39 | Yvonne Johnson | 9 | Daughter | — | Louisiana |
| 40 | Gus D. Stechman | 37 | Head | Farmer | Louisiana |
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)