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Thelma Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Caddo-County, Louisiana
Our Model Tree links this Thelma Johnson across the 1930 and 1940 US Censuses in Caddo-County, Louisiana (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 11-person household.
Age 11
b. ~1929
Female
Daughter
Born: Louisiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Caddo-County, Louisiana |
| Surname | Johnson |
| Given Name | Thelma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Caddo |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Louisiana |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Township / Ward | Ward 7 |
| Est. Birth Year | ~1929 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thelma | Age | Birth yr |
|---|---|---|---|---|
| Claudette Johnson | Daughter | — | 2 | ~1938 |
| Annie Johnson | Daughter | — | 14 | ~1926 |
| Ruth Johnson | Daughter | — | 4 | ~1936 |
| Bertha Johnson | Daughter | — | 12 | ~1928 |
| Thelma Johnson | Daughter | — | 11 | ~1929 |
| Genia Johnson | Daughter | — | 16 | ~1924 |
| Freddie Johnson | Daughter | — | 9 | ~1931 |
| Fred Johnson | Head | — | 36 | ~1904 |
| Booker Johnson | Son | — | 15 | ~1925 |
| Preston Johnson | Son | — | 7 | ~1933 |
| Celena Johnson | Spouse | — | 36 | ~1904 |
Census Appearances
1930
Caddo, Louisiana
Daughter, age 3
Caddo, Louisiana · implied b. ~1927 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Thelma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Arkansas |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
Caddo-County, Louisiana
Daughter, age 11
Caddo-County, Louisiana · implied b. ~1929 — 11 household members
| Surname | Johnson |
| Given Name | Thelma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Caddo |
| Income (1939) | 0 |
| Highest Grade | No 4 |
| 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 Thelma Johnson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Thelma Johnson
Daughter · 1940 · age 11 · b. ~1929 · Louisiana
★ You are viewing this record
Sibling
Ruth Johnson
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Preston Johnson
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Claudette Johnson
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bertha Johnson
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Freddie Johnson
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Booker Johnson
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Annie Johnson
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Genia Johnson
Sibling · 1940 · age 16
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 — Caddo-County, Louisiana
Open full size
1940 US Federal Census — Caddo-County, Louisiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01385-00514)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ellen Cooper | 9 | Daughter | — | Louisiana |
| 2 | Patricia A Cooper | 3 | Daughter | — | Louisiana |
| 3 | John @ Wright | 74 | Head | Farmer | Louisiana |
| 4 | Lula Wright | 42 | Wife | — | Louisiana |
| 5 | John Jr. Wright | 15 | Son | — | Louisiana |
| 6 | Mary Lee Wright | 11 | Daughter | — | Louisiana |
| 7 | Arden Wright | 8 | Son | — | Louisiana |
| 8 | James Fisher | 18 | Son | — | Louisiana |
| 9 | Hattie Park | 44 | Head | Farmer | Louisiana |
| 10 | A. C. Park | 28 | Daughter | — | Louisiana |
| 11 | Sam Park | 25 | Son | Laborer | Louisiana |
| 12 | James Park | 22 | Son | Laborer | Louisiana |
| 13 | Artome Park | 20 | Daughter | Laborer | Louisiana |
| 14 | Vernell Park | 16 | Son | Laborer | Louisiana |
| 15 | Thelma Park | 12 | Daughter | — | Louisiana |
| 16 | Nola May Park | 10 | Daughter | — | Louisiana |
| 17 | Izella Park | 5 | Daughter | — | Louisiana |
| 18 | Estella Johnson | 10 | Daughter | — | Louisiana |
| 19 | Reginald @ Mitchell | 22 | Head | Farmer | Louisiana |
| 20 | Francis Mitchell | 20 | Wife | — | Louisiana |
| 21 | Ray Leon Mitchell | 1 | Son | — | Louisiana |
| 22 | Mattie Green | 60 | Lodger | — | Louisiana |
| 23 | Dewey @ Leon | 41 | Head | Dairyman | Louisiana |
| 24 | Emma R Leon | 39 | Wife | — | Texas |
| 25 | Dewey G. Jr. Leon | 20 | Son | Laborer | Louisiana |
| 26 | Mattie A. B. Leon | 18 | Daughter | — | Louisiana |
| 27 | Davis H Leon | 17 | Son | — | Louisiana |
| 28 | Oada Leon | 2 | Daughter | — | Louisiana |
| 29 | Fred @ Johnson | 36 | Head | Farmer | Louisiana |
| 30 | Celena @ Johnson | 36 | Wife | — | Louisiana |
| 31 | Genia W Johnson | 16 | Daughter | — | Louisiana |
| 32 | Booker T. Johnson | 15 | Son | — | Louisiana |
| 33 | Annie Lee Johnson | 14 | Daughter | — | Louisiana |
| 34 | Bertha Johnson | 12 | Daughter | — | Louisiana |
| 35 | Thelma Johnson THIS PERSON | 11 | Daughter | — | Louisiana |
| 36 | Freddie V. Johnson | 9 | Daughter | — | Louisiana |
| 37 | Preston G Johnson | 7 | Son | — | Louisiana |
| 38 | Ruth Johnson | 4 | Daughter | — | Louisiana |
| 39 | Claudette Johnson | 2 | Daughter | — | Louisiana |
| 40 | Fred Williams | 30 | 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)