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Bertha Thomas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · St.-Landry-County, Louisiana
Our Model Tree links this Bertha Thomas across the 1930 and 1940 US Censuses in St.-Landry-County, Louisiana (XGBoost, ~Confirmed) — first a spouse (b.~1915), then head of a 14-person household.
Age 25
b. ~1915
Female
Spouse
Born: Louisiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Landry-County, Louisiana |
| Surname | Thomas |
| Given Name | Bertha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Louisiana |
| 1935 Residence (City) | Ward 1 |
| 1935 Residence (County) | St. Landry |
| Additional Details | |
| Occupation | Farm laborer |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | No 2 |
| 1935 Residence | Same house |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Occupation | Farm Laborer |
| Township / Ward | Ward 1 |
| Est. Birth Year | ~1915 |
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.
14 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Bertha | Age | Birth yr |
|---|---|---|---|---|
| Leonard Lewis | Other | — | 17 | ~1923 |
| Eugene Thomas | Son | — | 7 | ~1933 |
| Joseph Thomas | Son | — | 3 | ~1937 |
| Nelson Thomas | Son | — | 10 | ~1930 |
| Lionel Thomas | Son | — | ~1940 | |
| Bertha Thomas | Spouse | — | 25 | ~1915 |
| Edward Thomas | Other | — | 18 | ~1922 |
| Leung Berreau | Other | — | 20 | ~1920 |
| Nathan Thomas | Son | — | 11 | ~1929 |
| Cecelia Berreau | Other | — | 20 | ~1920 |
| Aurelia Thomas | Other | — | 11 | ~1929 |
| Henry Thomas | Head | — | 30 | ~1910 |
| Virgie Thomas | Daughter | — | 5 | ~1935 |
| Verna Thomas | Daughter | — | 4 | ~1936 |
Census Appearances
1930
St Landry, …
Daughter, age 13
St Landry, Louisiana · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Bertha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Can Read/Write | Yes |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
St.-Landry-County, Louisiana
Spouse, age 25
St.-Landry-County, Louisiana · implied b. ~1915 — 14 household members
| Surname | Thomas |
| Given Name | Bertha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Louisiana |
| 1935 Residence (City) | Ward 1 |
| 1935 Residence (County) | St. Landry |
| Occupation | Farm laborer |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 40 |
| Income (1939) | 0 |
| 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 Bertha Thomas across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Bertha Thomas
Spouse · 1940 · age 25 · b. ~1915 · Louisiana
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — St.-Landry-County, Louisiana
Open full size
1940 US Federal Census — St.-Landry-County, Louisiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01451-00326)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Dorothy Myers | 22 | Wife | — | Louisiana |
| 2 | Betty Sue Myers | 4 | Daughter | — | Louisiana |
| 3 | Lydia Anne Myers | 2 | Daughter | — | Louisiana |
| 4 | J. B. Frazier | 13 | Brother | — | Louisiana |
| 5 | John D. White | 25 | Head | Farmer | Louisiana |
| 6 | Gertrude White | 24 | Wife | Farm Laborer | Louisiana |
| 7 | George White | 9 | Son | — | Louisiana |
| 8 | Clara Mae White | 5 | Daughter | — | Louisiana |
| 9 | James White | 4 | Son | — | Louisiana |
| 10 | Douglas Berreau | 18 | Brother-in-law | Delivery Boy | Louisiana |
| 11 | Ed. Lucius Stelly | 49 | Head | Farmer | Louisiana |
| 12 | Augustine Stelly | 53 | Wife | — | Louisiana |
| 13 | George Stelly | 20 | Son | Farm Laborer | Louisiana |
| 14 | Ed. Lucius Jr. Stelly | 13 | Son | — | Louisiana |
| 15 | John Stelly | 45 | Head | Farmer | Louisiana |
| 16 | Irene D. Stelly | 35 | Wife | Farm Laborer | Louisiana |
| 17 | Herbert Stelly | 15 | Son | — | Louisiana |
| 18 | Helen Stelly | 13 | Daughter | — | Louisiana |
| 19 | Leora Stelly | 9 | Daughter | — | Louisiana |
| 20 | Lucille Stelly | 6 | Daughter | — | Louisiana |
| 21 | Lee Ester Stelly | 3 | Daughter | — | Louisiana |
| 22 | Russel Stelly | 2 | Son | — | Louisiana |
| 23 | Mary Anne Stelly | 0 | Daughter | — | Louisiana |
| 24 | Henry D. Thomas | 30 | Head | Farmer | Louisiana |
| 25 | Bertha Thomas THIS PERSON | 25 | Wife | Farm Laborer | Louisiana |
| 26 | Nathan Thomas | 11 | Son | — | Louisiana |
| 27 | Nelson Thomas | 10 | Son | — | Louisiana |
| 28 | Eugene Thomas | 7 | Son | — | Louisiana |
| 29 | Virgie Mae Thomas | 5 | Daughter | — | Louisiana |
| 30 | Verna Thomas | 4 | Daughter | — | Louisiana |
| 31 | Joseph Thomas | 3 | Son | — | Louisiana |
| 32 | Lionel Thomas | 0 | Son | — | Louisiana |
| 33 | Edward Thomas | 18 | Brother | Farm Laborer | Louisiana |
| 34 | Leonard Lewis | 17 | Nephew | Farm Laborer | Louisiana |
| 35 | Aurelia Thomas | 11 | Sister | — | Louisiana |
| 36 | Leung Berreau | 20 | Brother-in-law | Farm Laborer | Louisiana |
| 37 | Cecelia Berreau | 20 | Sister | Farm Laborer | Louisiana |
| 38 | Lewis Jr. Hebert | 43 | Head | Farmer | Louisiana |
| 39 | Armonce Hebert | 43 | Wife | — | Louisiana |
| 40 | Eugene Hebert | 8 | Son | — | 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)