MM
Mary Mcdonald — 1940 US Census Record
Linked across censuses1940 United States Federal Census · West-Carroll-County, Louisiana
Our Model Tree links this Mary Mcdonald across the 1930 and 1940 US Censuses in West-Carroll-County, Louisiana (XGBoost, ~Confirmed) — first a daughter (b.~1923), then head of a 10-person household.
Age 17
b. ~1923
Female
Daughter
Born: Louisiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | West-Carroll-County, Louisiana |
| Surname | McDonald |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Ward 4 |
| 1935 Residence (County) | W. Carroll |
| Additional Details | |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Township / Ward | Ward 4 |
| Est. Birth Year | ~1923 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Adrien Mcdonald | Daughter | — | 4 | ~1936 |
| Gloria Mcdonald | Daughter | — | 14 | ~1926 |
| Mary Mcdonald | Daughter | — | 17 | ~1923 |
| Dorothy Mcdonald | Daughter | — | 15 | ~1925 |
| Elois Mcdonald | Daughter | — | 7 | ~1933 |
| Irene Mcdonald | Daughter | — | 19 | ~1921 |
| J Mcdonald | Head | — | 50 | ~1890 |
| J Mcdonald | Son | — | 10 | ~1930 |
| J Mcdonald | Son | — | 8 | ~1932 |
| Mary Mcdonald | Spouse | — | 42 | ~1898 |
Census Appearances
1930
West Carroll, …
Daughter, age 7
West Carroll, Louisiana · implied b. ~1923 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDonald |
| Given Name | Mary S. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Texas |
| Mother's Birthplace | Louisiana |
| Can Read/Write | Yes |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
West-Carroll-County, Louisiana
Daughter, age 17
West-Carroll-County, Louisiana · implied b. ~1923 — 10 household members
| Surname | McDonald |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Ward 4 |
| 1935 Residence (County) | W. Carroll |
| Highest Grade | H 2 |
| 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 Mcdonald across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Mcdonald
Daughter · 1940 · age 17 · b. ~1923 · Louisiana
★ You are viewing this record
Sibling
Irene Mcdonald
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
J Mcdonald
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
J Mcdonald
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gloria Mcdonald
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Mcdonald
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Adrien Mcdonald
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elois Mcdonald
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — West-Carroll-County, Louisiana
Open full size
1940 US Federal Census — West-Carroll-County, Louisiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01466-00120)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Cal Prestridge | 54 | Head | Farmer | Louisiana |
| 2 | Inis Prestridge | 44 | Wife | — | Louisiana |
| 3 | Jimmie Prestridge | 19 | Son | Field Work | Louisiana |
| 4 | Herbert Prestridge | 20 | Son | Carpenter | Louisiana |
| 5 | Cortez Prestridge | 17 | Daughter | Housekeeper | Louisiana |
| 6 | Inis Prestridge | 16 | Daughter | — | Louisiana |
| 7 | Ellen Prestridge | 12 | Daughter | — | Louisiana |
| 8 | J D Mcdonald | 50 | Head | Farmer | Texas |
| 9 | Mary B Mcdonald | 42 | Wife | — | Louisiana |
| 10 | Irene Mcdonald | 19 | Daughter | Housekeeper | Louisiana |
| 11 | Mary Mcdonald THIS PERSON | 17 | Daughter | — | Louisiana |
| 12 | Dorothy Mcdonald | 15 | Daughter | — | Louisiana |
| 13 | Gloria Mcdonald | 14 | Daughter | — | Louisiana |
| 14 | J D Mcdonald | 10 | Son | — | Louisiana |
| 15 | J L Mcdonald | 8 | Son | — | Louisiana |
| 16 | Elois Mcdonald | 7 | Daughter | — | Louisiana |
| 17 | Adrien Mcdonald | 4 | Daughter | — | Louisiana |
| 18 | C R Pipkins | 60 | Head | Farmer | Mississippi |
| 19 | Nona Pipkins | 58 | Wife | — | Mississippi |
| 20 | James Pipkins | 21 | Son | Laborer | Mississippi |
| 21 | Jesse Pipkins | 19 | Son | Laborer | Mississippi |
| 22 | W N Boatner | 65 | Cousin | — | Arkansas |
| 23 | G G Crowder | 64 | Head | Welfare Client | Mississippi |
| 24 | Alma Crowder | 26 | Daughter | Laundry | Louisiana |
| 25 | Calie Crowder | 9 | Granddaughter | — | Louisiana |
| 26 | Dorothy Crowder | 7 | Granddaughter | — | Louisiana |
| 27 | Charles Crowder | 4 | Grandson | — | Louisiana |
| 28 | W P Mills | 40 | Head | Merchant | Arkansas |
| 29 | Nettie Mills | 41 | Wife | Asst. | Mississippi |
| 30 | J C Mills | 10 | Son | — | Arkansas |
| 31 | Dannie Williams | 17 | Step son | — | Texas |
| 32 | R L Dunbar | 32 | Head | Farmer | Louisiana |
| 33 | Odell Dunbar | 28 | Wife | Housekeeper | Louisiana |
| 34 | Vinnie Johnson | 51 | Mother-in-law | — | Louisiana |
| 35 | Lee Postel | 52 | Head | Farmer | Louisiana |
| 36 | Nancy Adams | 55 | Sister | — | Louisiana |
| 37 | J R Border | 23 | Nephew | Laborer | Louisiana |
| 38 | William Thomas | 20 | Nephew | Fieldwork | Louisiana |
| 39 | Clyde Churchwell | 23 | Head | Farmer | Mississippi |
| 40 | Ruby Churchwell | 21 | Wife | — | 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)