FJ
Frank Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · St.-John-The-Baptist-County, Louisiana
Our Model Tree links this Frank Johnson across the 1920, 1930 and 1940 US Censuses in St.-John-The-Baptist-County, Louisiana (XGBoost, ~Confirmed), with identified parents Bartholomew & Bartholomew — first a son (b.~1913), then head of a 3-person household.
Age 27
b. ~1913
Male
Son
Born: Louisiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-John-The-Baptist-County, Louisiana |
| Surname | Johnson |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Edgard |
| 1935 Residence (County) | St John the Baptist |
| Additional Details | |
| Occupation | labourer |
| Industry | on farm |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 400 |
| Highest Grade | No 2 |
| 1935 Residence | Same house |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Occupation | Labourer |
| Township / Ward | Edgard |
| Est. Birth Year | ~1913 |
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 Frank | Age | Birth yr |
|---|---|---|---|---|
| Bartholomew Johnson | Head | — | 56 | ~1884 |
| Frank Johnson | Son | — | 27 | ~1913 |
| Cora Johnson | Spouse | — | 49 | ~1891 |
Census Appearances
1920
St John, …
Son, age 7
St John, Louisiana · implied b. ~1913 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 7 |
| 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
St John, …
Son, age 17
St John, Louisiana · implied b. ~1913 — 13 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
St.-John-The-Baptist-County, Louisiana
Son, age 27
St.-John-The-Baptist-County, Louisiana · implied b. ~1913 — 3 household members
| Surname | Johnson |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Edgard |
| 1935 Residence (County) | St John the Baptist |
| Occupation | labourer |
| Industry | on farm |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 400 |
| Highest Grade | No 2 |
| 1935 Residence | Same house |
| 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 Frank Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Bartholomew Johnson (~0.92 confidence) and father Bartholomew Johnson (~0.92 confidence) and mother Lina Johnson (~0.92 confidence) and mother Laura Johnson (~0.92 confidence) and mother Cora Johnson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Bartholomew Johnson
b. ~1884
Source father
● Household
· direct · ~0.92
Father
Bartholomew Johnson
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Lina Johnson
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
Laura Johnson
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Cora Johnson
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Frank Johnson
Son · 1940 · age 27 · b. ~1913 · 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 — St.-John-The-Baptist-County, Louisiana
Open full size
1940 US Federal Census — St.-John-The-Baptist-County, Louisiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01450-00056)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Melvin Burris | 24 | Head | Labourer | Louisiana |
| 2 | Emily Burris | 24 | Wife | — | Louisiana |
| 3 | Renault Burris | 2 | Son | — | Louisiana |
| 4 | Rosalie Burris | 0 | Daughter | — | Louisiana |
| 5 | Eddie Alexander | 38 | Head | Labourer | Louisiana |
| 6 | Albertha Alexander | 29 | Wife | — | Louisiana |
| 7 | Irving Gaffrie | 40 | Head | Labourer | Louisiana |
| 8 | Louly Gaffrie | 35 | Wife | — | Louisiana |
| 9 | Elvid Gaffrie | 11 | Son | — | Louisiana |
| 10 | Irving Jr. Gaffrie | 9 | Son | — | Louisiana |
| 11 | Ruby Mae Gaffrie | 6 | Daughter | — | Louisiana |
| 12 | Ruth Gaffrie | 4 | Daughter | — | Louisiana |
| 13 | Roland Gaffrie | 2 | Son | — | Louisiana |
| 14 | Jr. Leopold Louis | 54 | Head | — | Louisiana |
| 15 | Louis Louis | 48 | Brother | Labourer | Louisiana |
| 16 | Adrienne Lumar | 35 | Head | Labourer | Louisiana |
| 17 | Elizabeth Lumar | 29 | Wife | — | Louisiana |
| 18 | Fanelie Lumar | 14 | Son | — | Louisiana |
| 19 | Stanley Lumar | 10 | Son | — | Louisiana |
| 20 | Curtis Lumar | 7 | Son | — | Louisiana |
| 21 | Cleveland Lumar | 5 | Son | — | Louisiana |
| 22 | Adrienne Jr. Lumar | 3 | Son | — | Louisiana |
| 23 | Morris Brooks | 33 | Head | Labourer | Louisiana |
| 24 | Grace Brooks | 36 | Wife | — | Louisiana |
| 25 | Willie Brooks | 12 | Son | — | Louisiana |
| 26 | Ory Brooks | 9 | Son | — | Louisiana |
| 27 | Ernestine Narcisse | 4 | Niece | — | Louisiana |
| 28 | Monette Brooks | 52 | Mother | — | Louisiana |
| 29 | Earnest Johnson | 38 | Head | Labourer | Louisiana |
| 30 | Pearl Johnson | 23 | Wife | — | Louisiana |
| 31 | Yvonne Johnson | 7 | Daughter | — | Louisiana |
| 32 | Earl Johnson | 5 | Son | — | Louisiana |
| 33 | La Cresia Johnson | 2 | Daughter | — | Louisiana |
| 34 | Joseph Louis | 40 | Head | Labourer | Louisiana |
| 35 | Ophelia Louis | 31 | Wife | Sample Cook | Louisiana |
| 36 | Joseph Jr. Louis | 13 | Son | — | Louisiana |
| 37 | Rena Louis | 9 | Daughter | — | Louisiana |
| 38 | Bartholomew Johnson | 56 | Head | Labourer | Louisiana |
| 39 | Cora Johnson | 49 | Wife | — | Louisiana |
| 40 | Frank Johnson THIS PERSON | 27 | Son | Labourer | Louisiana |
Related Census Records
Pedigree Summary
Frank
Gen 1 · 5 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)