SJ
Sam Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jefferson-County, Louisiana
Our Model Tree links this Sam Johnson across the 1920, 1930 and 1940 US Censuses in Jefferson-County, Louisiana (XGBoost, ~Confirmed) — first a head (b.~1895), then head of a 3-person household.
Age 45
b. ~1895
Male
Head
Born: Louisiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Louisiana |
| Surname | Johnson |
| Given Name | Sam |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Louisiana |
| 1935 Residence (City) | Kenner Town |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Occupation | laborer |
| Industry | railroad |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 350 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Occupation | Laborer |
| Township / Ward | Kenner Town |
| Est. Birth Year | ~1895 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Sam | Age | Birth yr |
|---|---|---|---|---|
| Sam Johnson | Head | — | 45 | ~1895 |
| Lawrence Johnson | Son | — | 25 | ~1915 |
| Rosie Johnson | Spouse | — | 45 | ~1895 |
Census Appearances
1920
Jefferson, Louisiana
Head, age 25
Jefferson, Louisiana · implied b. ~1895 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Sam |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Occupation | Laborer |
| Industry | Cotton Oil Mfg |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1930
Jefferson, Louisiana
Head, age 36
Jefferson, Louisiana · implied b. ~1894 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Samuel |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Louisiana |
| Age at First Marriage | 20 |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Occupation | Laborer |
| Industry | Drainage |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 5 |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
Jefferson-County, Louisiana
Head, age 45
Jefferson-County, Louisiana · implied b. ~1895 — 3 household members
| Surname | Johnson |
| Given Name | Sam |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Louisiana |
| 1935 Residence (City) | Kenner Town |
| 1935 Residence (County) | Jefferson |
| Occupation | laborer |
| Industry | railroad |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 350 |
| Highest Grade | No 6 |
| 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 Sam Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Sam Johnson
Head · 1940 · age 45 · b. ~1895 · Louisiana
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Jefferson-County, Louisiana
Open full size
1940 US Federal Census — Jefferson-County, Louisiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01407-00532)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Nathan Grant | 36 | Son | Laborer | Louisiana |
| 2 | Odeal Grant | 23 | Daughter | — | Louisiana |
| 3 | Ezekiel Grant | 14 | Son | — | Louisiana |
| 4 | Felice Smith | 64 | Head | Cropper | Louisiana |
| 5 | Lloyd Johnson | 5 | Son | — | Louisiana |
| 6 | Joe N. Viola | 40 | Head | Laborer | Louisiana |
| 7 | Vita Viola | 31 | Wife | — | Louisiana |
| 8 | Rosalie Viola | 5 | Daughter | — | Louisiana |
| 9 | Joe Jr. Viola | 2 | Son | — | Louisiana |
| 10 | Uncle Petti | 78 | Uncle | — | Italy |
| 11 | Vince Viola | 30 | Head | Laborer | Louisiana |
| 12 | Mary Viola | 70 | Mother | — | Italy |
| 13 | Auguste Pierre | 21 | Head | Laborer | Louisiana |
| 14 | Gertrude Pierre | 18 | Wife | — | Louisiana |
| 15 | Morva Lee Pierre | 1 | Daughter | — | Louisiana |
| 16 | Sam Johnson THIS PERSON | 45 | Head | Laborer | Louisiana |
| 17 | Rosie Johnson | 45 | Wife | — | Louisiana |
| 18 | Lawrence Johnson | 25 | Son | Laborer | Louisiana |
| 19 | Matt Bryant | 50 | Head | Laborer | Louisiana |
| 20 | Virginia Bryant | 42 | Wife | — | Louisiana |
| 21 | Virginia Mcmillen | 3 | Granddaughter | — | Louisiana |
| 22 | Joseph Campo | 38 | Head | Clerk | Louisiana |
| 23 | Frances Campo | 34 | Wife | Clerk | Louisiana |
| 24 | Nick Lopiparo | 87 | Father-in-law | — | Italy |
| 25 | Lena Lopiparo | 86 | Mother-in-law | — | Italy |
| 26 | Theresa Campo | 12 | Daughter | — | Louisiana |
| 27 | Jesse Humphrey | 28 | Head | Laborer | Louisiana |
| 28 | Maity Humphrey | 26 | Wife | — | Louisiana |
| 29 | John Willie | 33 | Head | Laborer | Louisiana |
| 30 | Francis Willie | 30 | Wife | Laundry | Louisiana |
| 31 | Mary Jane Willie | 13 | Daughter | — | Louisiana |
| 32 | Clarence Butler | 32 | Head | Laborer | Louisiana |
| 33 | Julia Butler | 23 | Wife | Servant | Louisiana |
| 34 | Dorothy Butler | 7 | Daughter | — | Louisiana |
| 35 | Anna Mae Butler | 6 | Daughter | — | Louisiana |
| 36 | Lawrence Butler | 27 | Brother | Laborer | Louisiana |
| 37 | Nemo Meighardt | 49 | Head | Laborer | Louisiana |
| 38 | Josie Meighardt | 41 | Wife | — | Louisiana |
| 39 | Vera Meighardt | 23 | Daughter | — | Louisiana |
| 40 | Mary Meighardt | 12 | Daughter | — | 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)