CJ
Catherine Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · St.-Tammany-County, Louisiana
Our Model Tree links this Catherine Johnson across the 1930 and 1940 US Censuses in St.-Tammany-County, Louisiana (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 9-person household.
Age 13
b. ~1927
Female
Daughter
Born: Louisiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Tammany-County, Louisiana |
| Surname | Johnson |
| Given Name | Catherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | R |
| 1935 Residence (County) | St. Tammany |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | Louisiana |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Township / Ward | Ward 4 |
| Est. Birth Year | ~1927 |
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 Catherine | Age | Birth yr |
|---|---|---|---|---|
| Anna Johnson | Daughter | — | 10 | ~1930 |
| Beatrice Johnson | Daughter | — | 7 | ~1933 |
| Catherine Johnson | Daughter | — | 13 | ~1927 |
| Bertha Johnson | Head | — | 45 | ~1895 |
| Extus Johnson | Son | — | 14 | ~1926 |
| Charles Johnson | Son | — | 9 | ~1931 |
| Howard Johnson | Son | — | 11 | ~1929 |
| Abe Johnson | Son | — | 15 | ~1925 |
| Eugina Johnson | Son | — | 16 | ~1924 |
Census Appearances
1930
St Tammany, …
Daughter, age 2
St Tammany, Louisiana · implied b. ~1928 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Catherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Mississippi |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
St.-Tammany-County, Louisiana
Daughter, age 13
St.-Tammany-County, Louisiana · implied b. ~1927 — 9 household members
| Surname | Johnson |
| Given Name | Catherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | R |
| 1935 Residence (County) | St. Tammany |
| Highest Grade | No 6 |
| 1935 Residence | Louisiana |
| 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 Catherine Johnson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Catherine Johnson
Daughter · 1940 · age 13 · b. ~1927 · Louisiana
★ You are viewing this record
Sibling
Eugina Johnson
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Beatrice Johnson
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Johnson
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Howard Johnson
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Abe Johnson
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Extus Johnson
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Johnson
Sibling · 1940 · age 9
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 — St.-Tammany-County, Louisiana
Open full size
1940 US Federal Census — St.-Tammany-County, Louisiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01455-00338)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mayona Ellis | 18 | Wife | Housemaid | Florida |
| 2 | Emanuel Ellis | 1 | Son | — | Florida |
| 3 | Frank Williams | 48 | Head | Laborer | Mississippi |
| 4 | Anna Williams | 35 | Wife | Housemaid | Mississippi |
| 5 | Hilda Stewart | 31 | Head | Picking Straw | Mississippi |
| 6 | Lillie Mae Stewart | 14 | Daughter | 0 | Louisiana |
| 7 | Josephine Stewart | 11 | Daughter | — | Louisiana |
| 8 | Jessie Williams | 15 | Son | — | Louisiana |
| 9 | Henrietta Williams | 7 | Daughter | — | Louisiana |
| 10 | George Williams | 5 | Son | — | Louisiana |
| 11 | Calvin Williams | 3 | Son | — | Alabama |
| 12 | Clifford Miller | 60 | Head | Laborer | Mississippi |
| 13 | Lettie Miller | 60 | Wife | 0 | Mississippi |
| 14 | David Pickens | 25 | Head | Laborer | Mississippi |
| 15 | Frances Pickens | 18 | Wife | 0 | Florida |
| 16 | Henrietta Pickens | 3 | Daughter | — | Louisiana |
| 17 | John Varding | 48 | Head | Laborer | Alabama |
| 18 | Amos Anderson | 73 | Head | Laborer | Alabama |
| 19 | Mattie Anderson | 50 | Wife | 0 | Alabama |
| 20 | Charles Alford | 41 | Head | Laborer | Alabama |
| 21 | Martha Alford | 75 | Mother | 0 | Alabama |
| 22 | Lillie Genevieve Alford | 31 | Sister | 0 | Alabama |
| 23 | Bester John Alford | 58 | Brother-in-law | 0 | Mississippi |
| 24 | Celia Bester | 25 | Head | Laborer | Alabama |
| 25 | Alberta Bester | 22 | Wife | 0 | Louisiana |
| 26 | Annie Sams | 45 | Mother-in-law | Cook | Mississippi |
| 27 | Samuel Sams | 18 | Brother-in-law | 0 | Louisiana |
| 28 | Ralph Sams | 15 | Brother-in-law | 0 | Louisiana |
| 29 | Geraldine Edgerson | 6 | Niece | — | Louisiana |
| 30 | Lawrence Edgerson | 5 | Nephew | — | Louisiana |
| 31 | Howard Edgerson | 30 | Head | Laborer | Louisiana |
| 32 | Bertha Johnson | 45 | Head | 0 | Mississippi |
| 33 | Eugina Johnson | 16 | Son | 0 | Louisiana |
| 34 | Abe Johnson | 15 | Son | 0 | Louisiana |
| 35 | Extus Johnson | 14 | Son | 0 | Mississippi |
| 36 | Catherine Johnson THIS PERSON | 13 | Daughter | — | Louisiana |
| 37 | Howard Johnson | 11 | Son | — | Louisiana |
| 38 | Anna L. Johnson | 10 | Daughter | — | Louisiana |
| 39 | Charles Johnson | 9 | Son | — | Louisiana |
| 40 | Beatrice Johnson | 7 | 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)