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Mary Mcdowell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Madison-County, Louisiana
Our Model Tree links this Mary Mcdowell across the 1930 and 1940 US Censuses in Madison-County, Louisiana (XGBoost, ~Confirmed) — first a head (b.~1901), then head of a 7-person household.
Age 39
b. ~1901
Female
Head
Born: Louisiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Madison-County, Louisiana |
| Surname | McDowell |
| Given Name | Mary J. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | Black |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Louisiana |
| 1935 Residence (City) | Police Jury Ward 8 |
| 1935 Residence (County) | Madison |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farming |
| Class of Worker | OA |
| Hours Worked | 30 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Occupation | Farmer |
| 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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Frank Mcdowell | Daughter | — | 16 | ~1924 |
| Pinkie Keys | Daughter | — | ~1940 | |
| Sellman Mcdowell | Son | — | 14 | ~1926 |
| Otra Mcdowell | Daughter | — | 11 | ~1929 |
| Mary Mcdowell | Head | — | 39 | ~1901 |
| Oleria Keys | Daughter | — | 2 | ~1938 |
| Alvina Keys | Daughter | — | 19 | ~1921 |
Census Appearances
1930
Madison, Louisiana
Other, age 29
Madison, Louisiana · implied b. ~1901 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDowell |
| Given Name | Mary J. |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | Black |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Louisiana |
| Age at First Marriage | 20 |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Can Read/Write | Yes |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
Madison-County, Louisiana
Head, age 39
Madison-County, Louisiana · implied b. ~1901 — 7 household members
| Surname | McDowell |
| Given Name | Mary J. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | Black |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Louisiana |
| 1935 Residence (City) | Police Jury Ward 8 |
| 1935 Residence (County) | Madison |
| Occupation | Farmer |
| Industry | Farming |
| Class of Worker | OA |
| Hours Worked | 30 |
| 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 Mary Mcdowell across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Mcdowell
Head · 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 — Madison-County, Louisiana
Open full size
1940 US Federal Census — Madison-County, Louisiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01412-01001)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lenora Mcdankiel|Mcdaniel | 8 | Daughter | — | Louisiana |
| 2 | Anderson Mcdankiel|Mcdaniel | 6 | Son | — | Louisiana |
| 3 | Leauthor Mcdankiel|Mcdaniel | 3 | Son | — | Louisiana |
| 4 | Mary M. Brown | 37 | Lodger | Teacher | Louisiana |
| 5 | Mose Cockerham | 71 | Head | Farmer | Louisiana |
| 6 | Jessie Cockerham | 42 | Wife | — | Louisiana |
| 7 | Mary J. Mcdowell THIS PERSON | 39 | Head | Farmer | Louisiana |
| 8 | Frank Mcdowell | 16 | Daughter | — | Louisiana |
| 9 | Sellman Mcdowell | 14 | Son | — | Louisiana |
| 10 | Otra V. Mcdowell | 11 | Daughter | — | Louisiana |
| 11 | Alvina Keys | 19 | Daughter | — | Louisiana |
| 12 | Oleria M. Keys | 2 | Daughter | — | Louisiana |
| 13 | Pinkie V. Keys | 0 | Daughter | — | Louisiana |
| 14 | Green Mcdowell | 43 | Head | Farmer | Louisiana |
| 15 | Louella Mcdowell | 41 | Wife | — | Louisiana |
| 16 | Clarence Mcdowell | 14 | Son | Laborer | Louisiana |
| 17 | Curtis M. Mcdowell | 16 | Daughter | — | Louisiana |
| 18 | Ray L. Mcdowell | 14 | Son | — | Louisiana |
| 19 | M. J. Mcdowell | 13 | Son | — | Louisiana |
| 20 | Willie B. Mcdowell | 10 | Son | — | Louisiana |
| 21 | Loy Mcdowell | 8 | Son | — | Louisiana |
| 22 | W. D. Mcdowell | 7 | Son | — | Louisiana |
| 23 | Roslyn Mcdowell | 5 | Daughter | — | Louisiana |
| 24 | Rebecca Mcdowell | 3 | Daughter | — | Louisiana |
| 25 | Artis Mcdowell | 1 | Son | — | Louisiana |
| 26 | Almer Terrell | 47 | Uncle | Log Cutter | Louisiana |
| 27 | Hammond Mcdowell | 20 | Head | Farmer | Louisiana |
| 28 | Vera M. Mcdowell | 22 | Wife | — | Louisiana |
| 29 | J. V. Mcdowell | 0 | Son | — | Louisiana |
| 30 | Harvey Walk | 36 | Head | Farmer | Louisiana |
| 31 | Hernella Walk | 36 | Wife | — | Louisiana |
| 32 | Hettie Wilson | 67 | Head | Farmer | Louisiana |
| 33 | Lucy Allen | 98 | Mother | — | Louisiana |
| 34 | Melvin Mcdowell | 23 | Head | Farmer | Louisiana |
| 35 | Thelma B. Mcdowell | 18 | Wife | — | Louisiana |
| 36 | Ike Mcdowell | 52 | Head | Farmer | Louisiana |
| 37 | Ouida Mcdowell | 45 | Wife | — | Louisiana |
| 38 | Edward Mcdowell | 18 | Son | Laborer | Louisiana |
| 39 | D. C. Mcdowell | 14 | Son | — | Louisiana |
| 40 | King Mcdowell | 12 | 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)