MD
Mary Duke — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Catahoula-County, Louisiana
Our Model Tree links this Mary Duke across the 1930 and 1940 US Censuses in Catahoula-County, Louisiana (XGBoost, ~Confirmed) — first a spouse (b.~1877), then head of a 6-person household.
Age 63
b. ~1877
Female
Spouse
Born: Louisiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Catahoula-County, Louisiana |
| Surname | Duke |
| Given Name | Mary S |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | Louisiana |
| 1935 Residence (City) | Ward 5 |
| 1935 Residence (County) | Catahoula |
| Additional Details | |
| Highest Grade | No 4 |
| 1935 Residence | Same house |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Township / Ward | Ward 5 |
| Est. Birth Year | ~1877 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Katy Duke | Daughter | — | 30 | ~1910 |
| Mary Duke | Spouse | — | 63 | ~1877 |
| Robyah Duke | Daughter | — | 20 | ~1920 |
| Henry Duke | Head | — | 71 | ~1869 |
| Jessie Duke | Daughter | — | 22 | ~1918 |
| Rufus Sharp | Other | — | 25 | ~1915 |
Census Appearances
1930
Catahoula, Louisiana
Spouse, age 53
Catahoula, Louisiana · implied b. ~1877 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Duke |
| Given Name | Mary J. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Louisiana |
| Age at First Marriage | 24 |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Can Read/Write | Yes |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
Catahoula-County, Louisiana
Spouse, age 63
Catahoula-County, Louisiana · implied b. ~1877 — 6 household members
| Surname | Duke |
| Given Name | Mary S |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | Louisiana |
| 1935 Residence (City) | Ward 5 |
| 1935 Residence (County) | Catahoula |
| Highest Grade | No 4 |
| 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 Duke across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Duke
Spouse · 1940 · age 63 · b. ~1877 · 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 — Catahoula-County, Louisiana
Open full size
1940 US Federal Census — Catahoula-County, Louisiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01392-00747)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Colene Watkins | 2 | daughter | — | Louisiana |
| 42 | Bruce Duke | 30 | head | Laborer | Louisiana |
| 43 | Billy B Duke | 23 | wife | — | Louisiana |
| 44 | Maudeen Duke | 4 | daughter | — | Louisiana |
| 45 | Henry D Duke | 71 | head | Farmer | Louisiana |
| 46 | Mary S Duke THIS PERSON | 63 | wife | — | Louisiana |
| 47 | Katy Duke | 30 | daughter | — | Louisiana |
| 48 | Jessie A Duke | 22 | daughter | — | Louisiana |
| 49 | Robyah Duke | 20 | daughter | — | Louisiana |
| 50 | Rufus Sharp | 25 | lodger | Farm Laborer | Louisiana |
| 51 | Henry L Watkins | 40 | head | Farmer | Louisiana |
| 52 | Bertha E Watkins | 44 | wife | — | Louisiana |
| 53 | Eugene Watkins | 15 | son | — | Louisiana |
| 54 | Marie Watkins | 13 | daughter | — | Louisiana |
| 55 | Leacie Watkins | 10 | daughter | — | Louisiana |
| 56 | Eliza Watkins | 8 | daughter | — | Louisiana |
| 57 | Glenn Watkins | 3 | son | — | Louisiana |
| 58 | Shirley Watkins | 1 | daughter | — | Louisiana |
| 59 | Conley Spinks | 27 | head | Farmer | Louisiana |
| 60 | Ruth D Spinks | 24 | wife | — | Louisiana |
| 61 | Herman Smith | 18 | in law | Laborer | Louisiana |
| 62 | William D Jones | 63 | head | Farmer | Louisiana |
| 63 | Josephine Jones | 52 | wife | — | Louisiana |
| 64 | Thomas Jones | 23 | son | Farm Laborer | Louisiana |
| 65 | Claudia Jones | 18 | daughter | — | Louisiana |
| 66 | Nyla Mae Jones | 15 | daughter | — | Louisiana |
| 67 | Iris Jones | 12 | daughter | — | Louisiana |
| 68 | E Colum Myers | 45 | head | Farmer | Louisiana |
| 69 | Vernon Myers | 30 | wife | — | Louisiana |
| 70 | E Colum Myers | 4 | son | — | Louisiana |
| 71 | Gertie D Myers | 5 | daughter | — | Louisiana |
| 72 | Benson Netherland | 57 | head | Farmer | Louisiana |
| 73 | Mamie Lee Netherland | 40 | wife | — | Louisiana |
| 74 | Irene Netherland | 16 | son | — | Louisiana |
| 75 | Pattie Lee Netherland | 14 | daughter | — | Louisiana |
| 76 | Elaine Netherland | 11 | daughter | — | Louisiana |
| 77 | Goldie Netherland | 9 | son | — | Louisiana |
| 78 | James Netherland | 6 | son | — | Louisiana |
| 79 | B Fred Netherland | 3 | son | — | Louisiana |
| 80 | Gatha J Netherland | 0 | daughter | — | 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)