MC
Martha Cooper — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Terrebonne-County, Louisiana
Our Model Tree links this Martha Cooper across the 1930 and 1940 US Censuses in Terrebonne-County, Louisiana (XGBoost, ~Confirmed) — first a spouse (b.~1901), then head of a 10-person household.
Age 39
b. ~1901
Female
Spouse
Born: Louisiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Terrebonne-County, Louisiana |
| Surname | Cooper |
| Given Name | Martha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Louisiana |
| 1935 Residence (City) | Police Jury Ward 8 |
| 1935 Residence (County) | Terrebonne |
| Additional Details | |
| Occupation | Housekeeper |
| Industry | at Home |
| Income (1939) | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Same Place |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Occupation | Housekeeper |
| Township / Ward | Police Jury Ward 8 |
| Est. Birth Year | ~1901 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Martha | Age | Birth yr |
|---|---|---|---|---|
| Willie Cooper | Head | — | 53 | ~1887 |
| Idella Cooper | Daughter | — | 10 | ~1930 |
| Willie Cooper | Son | — | 17 | ~1923 |
| Elaria Gibson | Other | — | 3 | ~1937 |
| Delores Cooper | Daughter | — | 1 | ~1939 |
| Samuel Cooper | Son | — | 13 | ~1927 |
| Clarence Cooper | Son | — | 20 | ~1920 |
| Joseph Cooper | Son | — | 4 | ~1936 |
| Martha Cooper | Spouse | — | 39 | ~1901 |
| Irma Gibson | Daughter | — | 22 | ~1918 |
Census Appearances
1930
Terrebonne, Louisiana
Spouse, age 28
Terrebonne, Louisiana · implied b. ~1902 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Martha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Louisiana |
| Age at First Marriage | 14 |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Can Read/Write | No |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
Terrebonne-County, Louisiana
Spouse, age 39
Terrebonne-County, Louisiana · implied b. ~1901 — 10 household members
| Surname | Cooper |
| Given Name | Martha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Louisiana |
| 1935 Residence (City) | Police Jury Ward 8 |
| 1935 Residence (County) | Terrebonne |
| Occupation | Housekeeper |
| Industry | at Home |
| Income (1939) | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Same Place |
| 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 Martha Cooper across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Martha Cooper
Spouse · 1940 · age 39 · b. ~1901 · 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 — Terrebonne-County, Louisiana
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1940 US Federal Census — Terrebonne-County, Louisiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01459-00811)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James X Divers | 28 | Head | Swamper | Louisiana |
| 2 | Flossie Divers | 26 | Wife | Housewife | Louisiana |
| 3 | James Divers | 7 | Son | — | Louisiana |
| 4 | Annie Divers | 4 | Daughter | — | Louisiana |
| 5 | Alberta Divers | 2 | Daughter | — | Louisiana |
| 6 | Manuel Williams | 35 | Head | Swamper | Louisiana |
| 7 | Flatella Williams | 30 | Wife | Housewife | Louisiana |
| 8 | Delores Williams | 5 | Daughter | — | Louisiana |
| 9 | Genra Heidelberg | 73 | Head | — | Mississippi |
| 10 | Willie Cooper | 53 | Head | Falling Timber | Louisiana |
| 11 | Martha Cooper THIS PERSON | 39 | Wife | Housekeeper | Louisiana |
| 12 | Clarence Cooper | 20 | Son | Cane Cutter | Louisiana |
| 13 | Willie Cooper | 17 | Son | Cane Cutter | Louisiana |
| 14 | Samuel Cooper | 13 | Son | — | Louisiana |
| 15 | Idella Cooper | 10 | Daughter | — | Louisiana |
| 16 | Joseph Cooper | 4 | Son | — | Louisiana |
| 17 | Delores Cooper | 1 | Daughter | — | Louisiana |
| 18 | Irma Lee Gibson | 22 | Daughter | Housekeeper | Louisiana |
| 19 | Elaria Gibson | 3 | Granddaughter | — | Louisiana |
| 20 | Lawless Gibson | 22 | Head | Cutting Pilings | Louisiana |
| 21 | Hazel Coleman | 19 | Wife | Housekeeper | Louisiana |
| 22 | Lawless Jr Gibson | 1 | Son | — | Louisiana |
| 23 | William Nicholas | 45 | Head | Farmer | Louisiana |
| 24 | Rebecca Nicholas | 42 | Wife | Cane Cutter | Louisiana |
| 25 | Thelma Nicholas | 21 | Daughter | Cane Cutter | Louisiana |
| 26 | Joseph Nicholas | 20 | Son | Cane Cutter | Louisiana |
| 27 | Sidney Nicholas | 18 | Son | Cane Cutter | Louisiana |
| 28 | Elizabeth Nicholas | 16 | Daughter | Housekeeper | Louisiana |
| 29 | Lula Mae Nicholas | 10 | Daughter | — | Louisiana |
| 30 | James Nicholas | 14 | Son | — | Louisiana |
| 31 | Warren Nicholas | 9 | Son | — | Louisiana |
| 32 | Lenta Nicholas | 7 | Daughter | — | Louisiana |
| 33 | Solomon Nicholas | 5 | Daughter | — | Louisiana |
| 34 | Marshal Wilkin | 62 | Head | Farm Laborer | Louisiana |
| 35 | Rachel Wilkin | 35 | Wife | Housekeeper | Louisiana |
| 36 | George Wilkin | 5 | Adopted Son | — | Louisiana |
| 37 | Raymond Arceneaux | 37 | Head | Roustabout | Louisiana |
| 38 | Jane Arceneaux | 34 | Wife | Housekeeper | Louisiana |
| 39 | Cyprian Arceneaux | 14 | Son | — | Louisiana |
| 40 | Henry Arceneaux | 11 | Son | — | Louisiana |
Related Census Records
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)