ET
Ethel Thompson — 1940 US Census Record
Model Tree available1940 United States Federal Census · St.-Mary-County, Louisiana
Our Model Tree links this Ethel Thompson across the 1920, 1930 and 1940 US Censuses in St.-Mary-County, Louisiana (XGBoost, ~Confirmed), with identified parents Riley & Obedia — first a daughter (b.~1918), then head of a 5-person household.
Age 22
b. ~1918
Female
Daughter
Born: Louisiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Mary-County, Louisiana |
| Surname | Thompson |
| Given Name | Ethel |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Ward 8 |
| 1935 Residence (County) | St Mary |
| Additional Details | |
| Industry | 0 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same House |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Township / Ward | Ward 8 |
| Est. Birth Year | ~1918 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ethel | Age | Birth yr |
|---|---|---|---|---|
| Ethel Thompson | Daughter | — | 22 | ~1918 |
| Riley Thompson | Head | — | 49 | ~1891 |
| Haky Thompson | Son | — | 16 | ~1924 |
| Johnny Thompson | Son | — | 24 | ~1916 |
| Obenia Thompson | Spouse | — | 48 | ~1892 |
Census Appearances
1920
St Mary, …
Daughter, age 2
St Mary, Louisiana · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Ethel |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Can Read | No |
| Can Write | No |
| Speaks English | No |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1930
St Mary, …
Daughter, age 12
St Mary, Louisiana · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Ethel |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| 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.-Mary-County, Louisiana
Daughter, age 22
St.-Mary-County, Louisiana · implied b. ~1918 — 5 household members
| Surname | Thompson |
| Given Name | Ethel |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Ward 8 |
| 1935 Residence (County) | St Mary |
| Industry | 0 |
| Highest Grade | Hs 3 |
| 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 Ethel Thompson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Riley Thompson (~0.92 confidence) and mother Obedia Thompson (~0.92 confidence) and mother Obenia Thompson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Riley Thompson
b. ~1890
Source father
● Household
· direct · ~0.92
Mother
Obedia Thompson
b. ~1891
Source mother
● Household
· direct · ~0.92
Mother
Obenia Thompson
b. ~1892
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ethel Thompson
Daughter · 1940 · age 22 · b. ~1918 · Louisiana
★ You are viewing this record
Sibling
Haky Thompson
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Johnny Thompson
Sibling · 1940 · age 24
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.-Mary-County, Louisiana
Open full size
1940 US Federal Census — St.-Mary-County, Louisiana
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01454-00848)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lorenza Rodrigue | 34 | Wife | — | Louisiana |
| 2 | Lorena Rodrigue | 17 | Daughter | — | Louisiana |
| 3 | Gus Rodrigue | 14 | Son | Fisherman | Louisiana |
| 4 | Irene Rodrigue | 12 | Daughter | — | Louisiana |
| 5 | Aline Rodrigue | 9 | Daughter | — | Louisiana |
| 6 | Dalita Rodrigue | 7 | Daughter | — | Louisiana |
| 7 | Ernest Rodrigue | 5 | Son | — | Louisiana |
| 8 | Willie Mae Rodrigue | 3 | Daughter | — | Louisiana |
| 9 | Angeline Rodrigue | 0 | Daughter | — | Louisiana |
| 10 | Joseph Dominic | 51 | Head | Fisherman | Louisiana |
| 11 | Julia Dominic | 41 | Wife | — | Louisiana |
| 12 | Joseph Jr Dominic | 23 | Son | Fisherman | Louisiana |
| 13 | Wilson Dominic | 20 | Son | Fisherman | Louisiana |
| 14 | Julius Dominic | 17 | Son | Fisherman | Louisiana |
| 15 | Lena Dominic | 11 | Daughter | — | Louisiana |
| 16 | Rita Dominic | 6 | Daughter | — | Louisiana |
| 17 | Mary Dominic | 1 | Daughter | — | Louisiana |
| 18 | Louis Rebeardi|Rebeardie | 56 | Head | Fisherman | Louisiana |
| 19 | Mae Rebeardi|Rebeardie | 64 | Wife | — | Louisiana |
| 20 | George Rebeardi|Rebeardie | 27 | Son | Fisherman | Louisiana |
| 21 | Enias Rebeardi|Rebeardie | 15 | Son | Fisherman | Louisiana |
| 22 | Hilton Rebeardi|Rebeardie | 11 | Son | — | Louisiana |
| 23 | George Rebeardi|Rebeardie | 7 | Grand Son | — | Louisiana |
| 24 | Julius Rebeardi|Rebeardie | 6 | Grand Son | — | Louisiana |
| 25 | Annie Rebeardi|Rebeardie | 18 | Daughter-in-law | — | Louisiana |
| 26 | Jessie Rodrigue | 30 | Head | Fisherman | Louisiana |
| 27 | Telonia Rodrigue | 20 | Wife | — | Louisiana |
| 28 | Jessie Jr Rodrigue | 5 | Son | — | Louisiana |
| 29 | Frank Rodrigue | 2 | Son | — | Louisiana |
| 30 | Riley Thompson | 49 | Head | Fisherman | Louisiana |
| 31 | Obenia Thompson | 48 | Wife | — | Louisiana |
| 32 | Johnny Thompson | 24 | Son | Fisherman | Louisiana |
| 33 | Ethel Thompson THIS PERSON | 22 | Daughter | — | Louisiana |
| 34 | Haky Thompson | 16 | Son | Fisherman | Louisiana |
| 35 | Maurice Encord | 39 | Head | Fisherman | Louisiana |
| 36 | Marie Encord | 37 | Wife | — | Louisiana |
| 37 | Alvin Encord | 18 | Son | Fisherman | Louisiana |
| 38 | Arthur Encord | 16 | Son | Fisherman | Louisiana |
| 39 | Della Mae Encord | 13 | Daughter | — | Louisiana |
Pedigree Summary
Ethel + 2 siblings
Gen 1 · 3 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)