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Mary Mcclain — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Wilkinson-County, Mississippi
Our Model Tree links this Mary Mcclain across the 1930 and 1940 US Censuses in Wilkinson-County, Mississippi (XGBoost, ~Confirmed) — first a daughter (b.~1923), then head of a 8-person household.
Age 17
b. ~1923
Female
Daughter
Born: Mississippi
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Wilkinson-County, Mississippi |
| Surname | McClain |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Mississippi |
| 1935 Residence (City) | District 4 |
| 1935 Residence (County) | Wilkinson |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
| Township / Ward | District 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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Lula Mcclain | Head | — | 45 | ~1895 |
| Mary Mcclain | Daughter | — | 17 | ~1923 |
| Mable Mcclain | Daughter | — | 16 | ~1924 |
| Lizzie Mcclain | Daughter | — | 14 | ~1926 |
| Gertrude Mcclain | Daughter | — | 26 | ~1914 |
| Alberta Mcclain | Daughter | — | 18 | ~1922 |
| John Mcclain | Son | — | 19 | ~1921 |
| Ethel Mcclain | Daughter | — | 15 | ~1925 |
Census Appearances
1930
Wilkinson, Mississippi
Daughter, age 10
Wilkinson, Mississippi · implied b. ~1920 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McClain |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | Black |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Mississippi |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1940
Wilkinson-County, Mississippi
Daughter, age 17
Wilkinson-County, Mississippi · implied b. ~1923 — 8 household members
| Surname | McClain |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Mississippi |
| 1935 Residence (City) | District 4 |
| 1935 Residence (County) | Wilkinson |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
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 Mcclain across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Mcclain
Daughter · 1940 · age 17 · b. ~1923 · Mississippi
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Sibling
Ethel Mcclain
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Mcclain
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mable Mcclain
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gertrude Mcclain
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alberta Mcclain
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lizzie Mcclain
Sibling · 1940 · age 14
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 — Wilkinson-County, Mississippi
Open full size
1940 US Federal Census — Wilkinson-County, Mississippi
Page Contents
37 people indexed on this census page (nara:1940:m-t0627-02078-00344)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Welch Whitehead | 44 | Head | Laborer Wpa | Mississippi |
| 42 | Beatrice Whitehead | 41 | Wife | — | Mississippi |
| 43 | Hazel Whitehead | 17 | Daughter | — | Mississippi |
| 44 | Hulon B. Whitehead | 13 | Daughter | — | Mississippi |
| 45 | Welch Jr. Whitehead | 12 | Son | — | Mississippi |
| 46 | William Smith | 65 | Head | Blacksmith | Mississippi |
| 47 | Theodore Smith | 29 | Son | Laborer Wpa | Mississippi |
| 48 | Sylvia Smith | 19 | Wife | — | Louisiana |
| 49 | James W. Smith | 3 | Grandchild | — | Mississippi |
| 50 | Gene A. Smith | 2 | Grandson | — | Mississippi |
| 51 | Howard Smith | 0 | Grandson | — | Mississippi |
| 52 | Lula G. Mcclain | 45 | Head | Farmer | Mississippi |
| 53 | Gertrude Mcclain | 26 | Daughter | — | Mississippi |
| 54 | John W. Mcclain | 19 | Son | Ccc Laborer | Mississippi |
| 55 | Alberta Mcclain | 18 | Daughter | — | Mississippi |
| 56 | Mary Mcclain THIS PERSON | 17 | Daughter | — | Mississippi |
| 57 | Mable Mcclain | 16 | Daughter | — | Mississippi |
| 58 | Ethel Mcclain | 15 | Daughter | — | Mississippi |
| 59 | Lizzie Mcclain | 14 | Daughter | — | Mississippi |
| 60 | Ben Carter | 56 | Head | Farmer | Mississippi |
| 61 | Ethel Carter | 49 | Wife | — | Mississippi |
| 62 | Fred Carter | 29 | Son | Laborer | Mississippi |
| 63 | Mattie L. Carter | 19 | Daughter | — | Mississippi |
| 64 | Bernard Carter | 16 | Son | — | Mississippi |
| 65 | Lillie M. Carter | 14 | Daughter | — | Mississippi |
| 66 | Nina M. Carter | 8 | Daughter | — | Mississippi |
| 67 | Richard B. Carter | 7 | Son | — | Mississippi |
| 68 | Margaret Carter | 0 | Daughter | — | Mississippi |
| 69 | Elizabeth Armstrong | 45 | Daughter | Laborer | Mississippi |
| 70 | Jannie Armstrong | 35 | Son | — | Mississippi |
| 71 | Godfrey Wiener | 34 | Head | Wpa Foreman | Mississippi |
| 72 | Myrtle Wiener | 24 | Wife | — | Mississippi |
| 73 | Willie Wiener | 4 | Son | — | Mississippi |
| 74 | Albert Q. Pate | 42 | Head | Farmer | Alabama |
| 75 | William Leake | 62 | Head | Farmer | Mississippi |
| 76 | Hannah Leake | 60 | Wife | — | Mississippi |
| 77 | Alonzo Leake | 16 | Son | — | Mississippi |
Related Census Records
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)