MC
Mary Christian — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Calhoun-County, Alabama
Our Model Tree links this Mary Christian across the 1930 and 1940 US Censuses in Calhoun-County, Alabama (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 12-person household.
Age 11
b. ~1929
Female
Daughter
Born: Alabama
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Calhoun-County, Alabama |
| Surname | Christian |
| Given Name | Mary J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | Precinct 8 Green Schoolhouse |
| 1935 Residence (County) | Calhoun |
| Additional Details | |
| Highest Grade | No 4 |
| 1935 Residence | Same Place |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Township / Ward | Precinct 8 Green Schoolhouse |
| Est. Birth Year | ~1929 |
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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Yvonne Christian | Daughter | — | ~1940 | |
| Kenneth Christian | Son | — | 8 | ~1932 |
| Mary Christian | Daughter | — | 11 | ~1929 |
| Bettie Christian | Daughter | — | 2 | ~1938 |
| W Christian | Head | — | 41 | ~1899 |
| Claude Christian | Son | — | 14 | ~1926 |
| Hattie Christian | Spouse | — | 38 | ~1902 |
| Maud Christian | Daughter | — | 14 | ~1926 |
| Dewey Christian | Son | — | 18 | ~1922 |
| Donnie Christian | Daughter | — | 16 | ~1924 |
| Douglas Christian | Son | — | 4 | ~1936 |
| Herbert Christian | Son | — | 10 | ~1930 |
Census Appearances
1930
Calhoun, Alabama
Daughter, age 1
Calhoun, Alabama · implied b. ~1929 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Christian |
| Given Name | Mary J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1940
Calhoun-County, Alabama
Daughter, age 11
Calhoun-County, Alabama · implied b. ~1929 — 12 household members
| Surname | Christian |
| Given Name | Mary J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | Precinct 8 Green Schoolhouse |
| 1935 Residence (County) | Calhoun |
| Highest Grade | No 4 |
| 1935 Residence | Same Place |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
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 Christian across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Christian
Daughter · 1940 · age 11 · b. ~1929 · Alabama
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Sibling
Donnie Christian
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Maud Christian
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dewey Christian
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Yvonne Christian
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kenneth Christian
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Douglas Christian
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bettie Christian
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Herbert Christian
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Claude Christian
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 — Calhoun-County, Alabama
Open full size
1940 US Federal Census — Calhoun-County, Alabama
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00008-00354)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Viola Phillips | 20 | Wife | Home Making | Alabama |
| 2 | Ola M Phillips | 1 | Daughter | — | Alabama |
| 3 | L. Z. Phillips | 27 | Head | Laborer | Alabama |
| 4 | Christine Phillips | 26 | Wife | Home Making | Alabama |
| 5 | Sedrill Phillips | 6 | Son | — | Alabama |
| 6 | Caroline Phillips | 5 | Daughter | — | Alabama |
| 7 | Gaylen Phillips | 2 | Daughter | — | Alabama |
| 8 | Howard Stephenson | 28 | Head | Tractor Driver | Georgia |
| 9 | Clarice Stephenson | 23 | Wife | Home Making | Georgia |
| 10 | Wallis H. Stephenson | 2 | Son | — | Alabama |
| 11 | C. G. Lockridge | 47 | Head | Foreman | Georgia |
| 12 | Beatrice Lockridge | 45 | Wife | Home Making | Georgia |
| 13 | Alline Lockridge | 16 | Daughter | Helper | Alabama |
| 14 | Rainey Lockridge | 73 | Brother | — | Alabama |
| 15 | Joseph M. Stephenson | 50 | Boarder | Foreman | Alabama |
| 16 | Louis Salmon | 38 | Head | Laborer | Alabama |
| 17 | Alma Salmon | 36 | Wife | Home Making | Georgia |
| 18 | Robert B. Salmon | 11 | Son | — | Alabama |
| 19 | Barbara A. Salmon | 3 | Daughter | — | Alabama |
| 20 | Edna S. Salmon | 2 | Daughter | — | Alabama |
| 21 | W. Dewey Christian | 41 | Head | Laborer | Alabama |
| 22 | Hattie L. Christian | 38 | Wife | Home Making | Alabama |
| 23 | Dewey Jr. Christian | 18 | Son | Farming | Alabama |
| 24 | Donnie Christian | 16 | Daughter | — | Alabama |
| 25 | Maud Christian | 14 | Daughter | — | Alabama |
| 26 | Claude Christian | 14 | Son | — | Alabama |
| 27 | Mary J. Christian THIS PERSON | 11 | Daughter | — | Alabama |
| 28 | Herbert Christian | 10 | Son | — | Alabama |
| 29 | Kenneth Christian | 8 | Son | — | Alabama |
| 30 | Douglas Christian | 4 | Son | — | Alabama |
| 31 | Bettie A. Christian | 2 | Daughter | — | Alabama |
| 32 | Yvonne Christian | 0 | Daughter | — | Alabama |
| 33 | James B. Wilks | 49 | Head | Laborer | Alabama |
| 34 | Bessie Wilks | 41 | Wife | Home Making | Alabama |
| 35 | Harrison Wilks | 16 | Son | — | Alabama |
| 36 | Edward Wilks | 14 | Son | — | Alabama |
| 37 | Hoyt Wilks | 13 | Son | — | Alabama |
| 38 | Travis Wilks | 9 | Daughter | — | Alabama |
| 39 | Armina Wilks | 6 | Daughter | — | Alabama |
| 40 | Allen Wilks | 4 | Son | — | Alabama |
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)