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John Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Orleans-County, Louisiana
Our Model Tree links this John Johnson across the 1920, 1930 and 1940 US Censuses in Orleans-County, Louisiana (XGBoost, ~Confirmed), with identified parents Charles & Catherine — first a son (b.~1907), then head of a 6-person household.
Age 33
b. ~1907
Male
Son
Born: Louisiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Orleans-County, Louisiana |
| Surname | Johnson |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | New Orleans City |
| 1935 Residence (County) | Orleans Parish |
| Additional Details | |
| Occupation | Laborer |
| Industry | Steel Works |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 800 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Occupation | Laborer |
| Township / Ward | New Orleans City |
| Est. Birth Year | ~1907 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Aggie France | Daughter | — | 40 | ~1900 |
| Annie Johnson | Daughter | — | 29 | ~1911 |
| Mattie Johnson | Head | — | 62 | ~1878 |
| Willie France | Other | — | 14 | ~1926 |
| Jules Johnson | Son | — | 35 | ~1905 |
| John Johnson | Son | — | 33 | ~1907 |
Census Appearances
1920
Orleans, Louisiana
Son, age 12
Orleans, Louisiana · implied b. ~1908 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1930
Orleans, Louisiana
Son, age 22
Orleans, Louisiana · implied b. ~1908 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Occupation | Gunsmith |
| Industry | Mfr |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | No |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
Orleans-County, Louisiana
Son, age 33
Orleans-County, Louisiana · implied b. ~1907 — 6 household members
| Surname | Johnson |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | New Orleans City |
| 1935 Residence (County) | Orleans Parish |
| Occupation | Laborer |
| Industry | Steel Works |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 800 |
| 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 John Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Johnson (~0.92 confidence) and mother Catherine Johnson (~0.92 confidence) and mother Catherine Johnson (~0.92 confidence) and mother Mattie Johnson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Johnson
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Catherine Johnson
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Catherine Johnson
b. ~1881
Source mother
● Household
· direct · ~0.92
Mother
Mattie Johnson
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Johnson
Son · 1940 · age 33 · b. ~1907 · Louisiana
★ You are viewing this record
Sibling
Annie Johnson
Sibling · 1940 · age 29
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Aggie France
Sibling · 1940 · age 40
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jules Johnson
Sibling · 1940 · age 35
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-t0627-01432-00582)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | August Ippolito | 43 | Head | Salesman | Italy |
| 2 | Bridget Ippolito | 40 | Wife | — | Italy |
| 3 | Marguerite Ippolito | 17 | Daughter | — | Louisiana |
| 4 | Anthony Ippolito | 16 | Son | — | Louisiana |
| 5 | Vincent Ippolito | 14 | Son | — | Louisiana |
| 6 | Alice Clerc | 71 | Head | — | Louisiana |
| 7 | Alice Abadie | 52 | Daughter | Stenographer | Louisiana |
| 8 | Alma Van Horn | 43 | Daughter | Bill Clerk | Louisiana |
| 9 | Leis Roy | 26 | Head | Truck Driver | Louisiana |
| 10 | Bessie Roy | 24 | Wife | — | Louisiana |
| 11 | Bettie Lou Roy | 6 | Daughter | — | Louisiana |
| 12 | Elaine Lucie Roy | 5 | Daughter | — | Louisiana |
| 13 | Lander Arthur Roy | 2 | Son | — | Louisiana |
| 14 | Earl Bordelon | 25 | Brother-in-law | Chauffeur | Louisiana |
| 15 | Juliette Bordelon | 23 | Sister | — | Louisiana |
| 16 | Patsy Bordelon | 5 | Niece | — | Louisiana |
| 17 | Ethel Louque | 44 | Head | — | Louisiana |
| 18 | Rose Mary Louque | 15 | Daughter | — | Louisiana |
| 19 | Thelma Louque | 12 | Daughter | — | Louisiana |
| 20 | Albert Cooper | 23 | Lodger | Laborer | Louisiana |
| 21 | Ellen Cooper | 20 | Lodger-wife | — | Louisiana |
| 22 | Roger Louque | 43 | Brother | Laborer | Louisiana |
| 23 | Henry St. Germain | 42 | Head | Policeman | Louisiana |
| 24 | Katie St. Germain | 40 | Wife | — | Tennessee |
| 25 | Sophie St. Germain | 14 | Daughter | — | Louisiana |
| 26 | Eddie Aucoin | 34 | Head | Conductor | Louisiana |
| 27 | Eugenie Aucoin | 30 | Wife | — | Louisiana |
| 28 | Eldred Aucoin | 7 | Daughter | — | Louisiana |
| 29 | Charles Johnson | 37 | Head | Laborer | Louisiana |
| 30 | Leona Johnson | 34 | Wife | — | Louisiana |
| 31 | Charles Jr. Johnson | 12 | Son | — | Louisiana |
| 32 | Robert Eugene Johnson | 7 | Son | — | Louisiana |
| 33 | Lazepha Johnson | 3 | Daughter | — | Louisiana |
| 34 | Blair Couvillion | 65 | Father-in-law | — | Louisiana |
| 35 | Mattie Johnson | 62 | Head | — | Louisiana |
| 36 | Jules Johnson | 35 | Son | Ship Worker | Louisiana |
| 37 | John Johnson THIS PERSON | 33 | Son | Laborer | Louisiana |
| 38 | Annie Johnson | 29 | Daughter | Seamstress | Louisiana |
| 39 | Aggie France | 40 | Daughter | Seamstress | Louisiana |
| 40 | Willie France | 14 | Son-in-law | — | Louisiana |
Related Census Records
Pedigree Summary
John + 3 siblings
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)