MW
Martha Williams — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Caddo-County, Louisiana
Our Model Tree links this Martha Williams across the 1920, 1930 and 1940 US Censuses in Caddo-County, Louisiana (XGBoost, ~Confirmed) — first a spouse (b.~1905), then head of a 5-person household.
Age 35
b. ~1905
Female
Spouse
Born: Louisiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Caddo-County, Louisiana |
| Surname | Williams |
| Given Name | Martha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Louisiana |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Caddo |
| Additional Details | |
| Occupation | Cook |
| Industry | Private Home |
| Class of Worker | PW |
| Hours Worked | 36 |
| Income (1939) | 250 |
| Highest Grade | No 7 |
| 1935 Residence | Louisiana |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Occupation | Cook |
| Township / Ward | Ward 4 15 16 17 18 |
| Est. Birth Year | ~1905 |
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 Martha | Age | Birth yr |
|---|---|---|---|---|
| Edward Williams | Head | — | 32 | ~1908 |
| David Hamilton | Other | — | 66 | ~1874 |
| Lindsey Williams | Son | — | 5 | ~1935 |
| Calvin Williams | Son | — | 6 | ~1934 |
| Martha Williams | Spouse | — | 35 | ~1905 |
Census Appearances
1920
Caddo, Louisiana
Other, age 16
Caddo, Louisiana · implied b. ~1904 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Martha |
| Relationship to Head | Sister |
| Sex | F |
| Color / Race | Black |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1930
Caddo, Louisiana
Other, age 25
Caddo, Louisiana · implied b. ~1905 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Martha E. |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | Black |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Louisiana |
| Age at First Marriage | 16 |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Can Read/Write | Yes |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
Caddo-County, Louisiana
Spouse, age 35
Caddo-County, Louisiana · implied b. ~1905 — 5 household members
| Surname | Williams |
| Given Name | Martha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Louisiana |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Caddo |
| Occupation | Cook |
| Industry | Private Home |
| Class of Worker | PW |
| Hours Worked | 36 |
| Income (1939) | 250 |
| Highest Grade | No 7 |
| 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 Martha Williams across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Martha Williams
Spouse · 1940 · age 35 · b. ~1905 · 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 — 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-t0627-01389-00039)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | David Jr Fields | 24 | Head | Laborer | Louisiana |
| 42 | Ereda Fields | 22 | Wife | — | Louisiana |
| 43 | Katherine Fields | 4 | Daughter | — | Louisiana |
| 44 | David Jr Fields | 2 | Son | — | Louisiana |
| 45 | Johnnie D Hill | 33 | Head | Laborer | Louisiana |
| 46 | Ersalina Hill | 31 | Wife | — | Louisiana |
| 47 | Johnnie M Hill | 13 | Daughter | — | Louisiana |
| 48 | Jake Hill | 73 | Father | Farm Laborer | Louisiana |
| 49 | Luiza Hill | 59 | Mother | — | Louisiana |
| 50 | Peyton Hamilton | 38 | Head | Laborer | Louisiana |
| 51 | Alta Hamilton | 35 | Wife | — | Louisiana |
| 52 | Vera Hamilton | 13 | Daughter | — | Louisiana |
| 53 | Vetta M Hamilton | 12 | Daughter | — | Louisiana |
| 54 | Gladys Hamilton | 8 | Daughter | — | Louisiana |
| 55 | Peyton Jr Hamilton | 4 | Son | — | Louisiana |
| 56 | Billy Hamilton | 2 | Son | — | Louisiana |
| 57 | Edward Williams | 32 | Head | Yard Laborer | Louisiana |
| 58 | Martha Williams THIS PERSON | 35 | Wife | Cook | Louisiana |
| 59 | Calvin Williams | 6 | Son | — | Louisiana |
| 60 | Lindsey Williams | 5 | Son | — | Louisiana |
| 61 | David Hamilton | 66 | Brother in law | — | Louisiana |
| 62 | Lula Grant | 45 | Head | — | Louisiana |
| 63 | Ascelia Grant | 27 | Daughter | Cook | Louisiana |
| 64 | Rose M Grant | 15 | Daughter | Farm Laborer | Louisiana |
| 65 | Johnnie L Grant | 20 | Son | Laborer | Louisiana |
| 66 | Thomas Grant | 18 | Son | Waiter | Louisiana |
| 67 | Robert Grant | 13 | Son | — | Louisiana |
| 68 | Polk Grant | 10 | Son | — | Louisiana |
| 69 | Vera Grant | 8 | Daughter | — | Louisiana |
| 70 | Ike Anthony | 78 | Head | — | Texas |
| 71 | Willie Anthony | 16 | Son | — | Louisiana |
| 72 | Joe Sr Thomas | 32 | Head | Laborer | Louisiana |
| 73 | Nancy Thomas | 32 | Wife | Cook | Louisiana |
| 74 | Coleman Alvia Thomas | 16 | Daughter | Maid | Louisiana |
| 75 | Willie Thomas | 14 | Son | — | Louisiana |
| 76 | Joe Jr Thomas | 2 | Son | — | Louisiana |
| 77 | James B Glover | 48 | Head | Laborer | Louisiana |
| 78 | Fannie L Glover | 48 | Wife | — | Louisiana |
| 79 | Alice Glover | 22 | Daughter | — | Louisiana |
| 80 | William J Glover | 19 | 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)