MT
Mary Thompson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · East-Baton-Rouge-County, Louisiana
Our Model Tree links this Mary Thompson across the 1920, 1930 and 1940 US Censuses in East-Baton-Rouge-County, Louisiana (XGBoost, ~Confirmed) — first a spouse (b.~1878), then head of a 5-person household.
Age 62
b. ~1878
Female
Spouse
Born: Louisiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | East-Baton-Rouge-County, Louisiana |
| Surname | Thompson |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 62 |
| Marital Status | Married |
| Birthplace | Louisiana |
| 1935 Residence (City) | 4th Ward |
| 1935 Residence (County) | East Baton Rouge |
| Additional Details | |
| Highest Grade | No 0 |
| 1935 Residence | Same house |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Township / Ward | 4Th Ward |
| Est. Birth Year | ~1878 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Carla Thompson | Daughter | — | 25 | ~1915 |
| Sarah Thompson | Daughter | — | 30 | ~1910 |
| Scott Thompson | Head | — | 68 | ~1872 |
| Frank Thompson | Son | — | 22 | ~1918 |
| Mary Thompson | Spouse | — | 62 | ~1878 |
Census Appearances
1920
East Baton …
Spouse, age 45
East Baton Rouge, Louisiana · implied b. ~1875 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Occupation | Cook |
| Industry | Private family |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1930
East Baton …
Spouse, age 52
East Baton Rouge, Louisiana · implied b. ~1878 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Louisiana |
| Age at First Marriage | 27 |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Can Read/Write | Yes |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
East-Baton-Rouge-County, Louisiana
Spouse, age 62
East-Baton-Rouge-County, Louisiana · implied b. ~1878 — 5 household members
| Surname | Thompson |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 62 |
| Marital Status | Married |
| Birthplace | Louisiana |
| 1935 Residence (City) | 4th Ward |
| 1935 Residence (County) | East Baton Rouge |
| Highest Grade | No 0 |
| 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 Mary Thompson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Thompson
Spouse · 1940 · age 62 · b. ~1878 · 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 — East-Baton-Rouge-County, Louisiana
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1940 US Federal Census — East-Baton-Rouge-County, Louisiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01397-00629)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Charlie Williams | 66 | Head | Farmer | Louisiana |
| 42 | Mecia Williams | 57 | Wife | — | Louisiana |
| 43 | Charlie Williams | 17 | Son | Farm Laborer | Louisiana |
| 44 | Rosa Williams | 14 | Daughter | — | Louisiana |
| 45 | Ceola Williams | 11 | Daughter | — | Louisiana |
| 46 | Amanda Williams | 9 | Daughter | — | Louisiana |
| 47 | Marie Yarbrough | 68 | Head | — | Louisiana |
| 48 | Isaac Collins | 66 | Head | Farmer | Louisiana |
| 49 | Nancy Collins | 44 | Wife | Farmer | Louisiana |
| 50 | Myrtis Collins | 24 | Daughter | — | Louisiana |
| 51 | George Collins | 6 | Son | — | Louisiana |
| 52 | Lizzie Collins | 4 | Daughter | — | Louisiana |
| 53 | Daniel Collins | 3 | Son | — | Louisiana |
| 54 | James Collins | 1 | Son | — | Louisiana |
| 55 | Scott Thompson | 68 | Head | Farmer | Louisiana |
| 56 | Mary Thompson THIS PERSON | 62 | Wife | — | Louisiana |
| 57 | Sarah Thompson | 30 | Daughter | Teacher | Louisiana |
| 58 | Carla Thompson | 25 | Daughter | — | Louisiana |
| 59 | Frank Thompson | 22 | Son | Pipe Man | Louisiana |
| 60 | Blanche Hubbard | 35 | Head | Milker | Louisiana |
| 61 | Lucile Hubbard | 29 | Wife | Milker | Louisiana |
| 62 | Lena Hubbard | 15 | Daughter | Housekeeper | Louisiana |
| 63 | Tommie Hubbard | 8 | Daughter | — | Louisiana |
| 64 | Rosa Hubbard | 6 | Daughter | — | Louisiana |
| 65 | Annie Hubbard | 1 | Daughter | — | Louisiana |
| 66 | Clarence Green | 17 | Brother-in-law | Farm Laborer | Louisiana |
| 67 | Jessie Hubbard | 33 | Head | — | Louisiana |
| 68 | Ross Neal | 55 | Head | Milker | Mississippi |
| 69 | Loula Neal | 18 | Daughter | — | Louisiana |
| 70 | Charlie Neal | 7 | Son | — | Louisiana |
| 71 | James Neal | 5 | Son | — | Louisiana |
| 72 | Robert Neal | 3 | Son | — | Louisiana |
| 73 | L. C. Jones | 0 | Grandson | — | Louisiana |
| 74 | Allan Thomas | 47 | Head | Farmer | Louisiana |
| 75 | Annie Thomas | 38 | Wife | — | Louisiana |
| 76 | Dorothy Thomas | 21 | Daughter | — | Louisiana |
| 77 | Ernest Davis | 21 | Lodger | Farm Laborer | Louisiana |
| 78 | Clarence Davis | 4 | Lodger | — | Louisiana |
| 79 | Raymond Glowaski | 30 | Head | Chemist | Delaware |
| 80 | Delores Glowaski | 27 | Wife | — | Texas |
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)