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Mary Mcdowell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Caddo-County, Louisiana
Our Model Tree links this Mary Mcdowell across the 1930 and 1940 US Censuses in Caddo-County, Louisiana (XGBoost, ~Confirmed) — first a spouse (b.~1898), then head of a 11-person household.
Age 42
b. ~1898
Female
Spouse
Born: Louisiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Caddo-County, Louisiana |
| Surname | McDowell |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Louisiana |
| 1935 Residence (City) | Ward 5 |
| 1935 Residence (County) | Caddo |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same Place |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Township / Ward | Ward 5 |
| Est. Birth Year | ~1898 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Grady Mcdowell | Son | — | 6 | ~1934 |
| Mineola Mcdowell | Daughter | — | 13 | ~1927 |
| Leon Mcdowell | Son | — | 20 | ~1920 |
| Dorothy Hays | Daughter | — | 5 | ~1935 |
| Aosae Mcdowell | Daughter | — | 7 | ~1933 |
| Ethel Mcdowell | Daughter | — | 17 | ~1923 |
| Mary Mcdowell | Spouse | — | 42 | ~1898 |
| Lee Mcdowell | Son | — | 11 | ~1929 |
| Lorenzo Mcdowell | Daughter | — | 22 | ~1918 |
| Thela Mcdowell | Daughter | — | 15 | ~1925 |
| Thomas Mcdowell | Head | — | 43 | ~1897 |
Census Appearances
1930
Caddo, Louisiana
Other, age 33
Caddo, Louisiana · implied b. ~1897 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDowell |
| Given Name | Mary |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | Black |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Louisiana |
| Age at First Marriage | 20 |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Can Read/Write | No |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
Caddo-County, Louisiana
Spouse, age 42
Caddo-County, Louisiana · implied b. ~1898 — 11 household members
| Surname | McDowell |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Louisiana |
| 1935 Residence (City) | Ward 5 |
| 1935 Residence (County) | Caddo |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 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
Spouse · 1940 · age 42 · b. ~1898 · 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 — 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-t0627-01389-00103)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Roy Hawkins | 42 | Head | Farmer | Texas |
| 42 | Bessie Hawkins | 39 | Wife | — | Texas |
| 43 | Robert Hawkins | 13 | Son | — | Texas |
| 44 | Issac Brown | 30 | Head | Farmer | Louisiana |
| 45 | Ora Brown | 29 | Wife | — | Louisiana |
| 46 | Issac Jr Brown | 10 | Son | — | Louisiana |
| 47 | John Brown | 8 | Son | — | Louisiana |
| 48 | Thomas Mcdowell | 43 | Head | Farmer | Louisiana |
| 49 | Mary Mcdowell THIS PERSON | 42 | Wife | — | Louisiana |
| 50 | Lorenzo Mcdowell | 22 | Daughter | Servant | Louisiana |
| 51 | Leon Mcdowell | 20 | Son | — | Louisiana |
| 52 | Ethel Mae Mcdowell | 17 | Daughter | — | Louisiana |
| 53 | Thela Ann Mcdowell | 15 | Daughter | — | Louisiana |
| 54 | Mineola Mcdowell | 13 | Daughter | — | Louisiana |
| 55 | Lee Edward Mcdowell | 11 | Son | — | Louisiana |
| 56 | A|Osae Dean Mcdowell | 7 | Daughter | — | Louisiana |
| 57 | Grady Earl Mcdowell | 6 | Son | — | Louisiana |
| 58 | Dorothy Hays | 5 | Daughter | — | Louisiana |
| 59 | Joe Mcdowell | 62 | Head | Farmer | Louisiana |
| 60 | Laura Mcdowell | 57 | Wife | — | Louisiana |
| 61 | Cleveland Mcdowell | 41 | Son | Laborer | Louisiana |
| 62 | Willie Mcdowell | 19 | Son | — | Louisiana |
| 63 | Lewis Mcdowell | 16 | Son | — | Louisiana |
| 64 | Ed Johnsons | 52 | Head | Contractor | Louisiana |
| 65 | Laura Johnsons | 50 | Wife | Carpenter | Louisiana |
| 66 | Page John B Johnsons | 14 | Son | Farmer | Louisiana |
| 67 | Page Sulitides Johnsons | 13 | Daughter | — | Louisiana |
| 68 | Willie Bullard | 21 | Lodger | Laborer | Louisiana |
| 69 | Ed Jr Johnson | 32 | Head | Carpenter | Louisiana |
| 70 | Camille Johnson | 29 | Wife | Farmer | Louisiana |
| 71 | Lera Johnson | 14 | Daughter | — | Louisiana |
| 72 | Irene Jackson | 65 | Head | Laundress | Louisiana |
| 73 | Charity Coleman | 60 | Sister | — | Louisiana |
| 74 | Semic Daniels | 37 | Head | Farmer | Louisiana |
| 75 | Alberta Daniels | 31 | Wife | — | Louisiana |
| 76 | Semic Jr Daniels | 12 | Son | — | Louisiana |
| 77 | Hazel Ru Daniels | 10 | Daughter | — | Louisiana |
| 78 | Melvin Daniels | 8 | Son | — | Louisiana |
| 79 | Earl Williams | 18 | Cousin | Laborer | Louisiana |
| 80 | Richard Hays | 44 | Head | Farmer | 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)