MB
Mary Baldwin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lee-County, Alabama
Our Model Tree links this Mary Baldwin across the 1930 and 1940 US Censuses in Lee-County, Alabama (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 10-person household.
Age 12
b. ~1928
Female
Daughter
Born: Alabama
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lee-County, Alabama |
| Surname | Baldwin |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | Beats 8 Salem |
| 1935 Residence (County) | Lee |
| Additional Details | |
| Highest Grade | No 3 |
| 1935 Residence | Same house |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Township / Ward | Beats 8 Salem |
| Est. Birth Year | ~1928 |
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 |
|---|---|---|---|---|
| Ella Baldwin | Daughter | — | 10 | ~1930 |
| Minnie Baldwin | Daughter | — | 25 | ~1915 |
| Mary Baldwin | Daughter | — | 12 | ~1928 |
| Willie Baldwin | Daughter | — | 2 | ~1938 |
| Dorothy Baldwin | Daughter | — | 4 | ~1936 |
| Sam Baldwin | Head | — | 46 | ~1894 |
| Allie Baldwin | Son | — | 13 | ~1927 |
| R Baldwin | Son | — | 5 | ~1935 |
| Lillie Baldwin | Son | — | 7 | ~1933 |
| Willie Baldwin | Spouse | — | 40 | ~1900 |
Census Appearances
1930
Lee, Alabama
Daughter, age
Lee, Alabama · implied b. ~1930 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Baldwin |
| Given Name | Mary S |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1940
Lee-County, Alabama
Daughter, age 12
Lee-County, Alabama · implied b. ~1928 — 10 household members
| Surname | Baldwin |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | Beats 8 Salem |
| 1935 Residence (County) | Lee |
| Highest Grade | No 3 |
| 1935 Residence | Same house |
| 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 Baldwin across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Baldwin
Daughter · 1940 · age 12 · b. ~1928 · Alabama
★ You are viewing this record
Sibling
Willie Baldwin
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
R Baldwin
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lillie Baldwin
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Minnie Baldwin
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ella Baldwin
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Allie Baldwin
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Baldwin
Sibling · 1940 · age 4
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 — Lee-County, Alabama
Open full size
1940 US Federal Census — Lee-County, Alabama
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00052-00793)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Nathan Thomas | 25 | Head | Farmer | Alabama |
| 42 | Lucille Thomas | 26 | Wife | Laborer | Alabama |
| 43 | Jimmy Boy Thomas | 5 | Son | — | Alabama |
| 44 | Mattie Joe Thomas | 3 | Daughter | — | Alabama |
| 45 | Charlie Chambers | 57 | Head | Farmer | Alabama |
| 46 | Mary Chambers | 50 | Wife | — | Alabama |
| 47 | Thelma Chambers | 21 | Daughter | Laborer | Alabama |
| 48 | Willie Lee Chambers | 17 | Son | Laborer | Alabama |
| 49 | Ruby David Chambers | 15 | Son | Laborer | Alabama |
| 50 | Mamie Chambers | 13 | Daughter | — | Alabama |
| 51 | Sally Mae Gilbert | 17 | Daughter | — | Alabama |
| 52 | Rosa Lee Gilbert | 1 | Daughter | — | Alabama |
| 53 | Rosa Thomas | 3 | Daughter | — | Alabama |
| 54 | Charlie Joe Shell | 14 | Son | Laborer | Alabama |
| 55 | Vandy Cooper | 58 | Head | Farmer | Alabama |
| 56 | Lavonica Cooper | 57 | Wife | — | Alabama |
| 57 | Lucille Cooper | 34 | Daughter | — | Alabama |
| 58 | Douglass Cooper | 10 | Son | — | Alabama |
| 59 | Sam W. Baldwin | 46 | Head | Farmer | Alabama |
| 60 | Willie Baldwin | 40 | Wife | Farmer | Alabama |
| 61 | Minnie Lee Baldwin | 25 | Daughter | Farmer | Alabama |
| 62 | Mary Baldwin THIS PERSON | 12 | Daughter | — | Alabama |
| 63 | Allie Baldwin | 13 | Son | — | Alabama |
| 64 | Ella Lee Baldwin | 10 | Daughter | — | Alabama |
| 65 | Lillie Baldwin | 7 | Son | — | Alabama |
| 66 | R. J. Baldwin | 5 | Son | — | Alabama |
| 67 | Dorothy Baldwin | 4 | Daughter | — | Alabama |
| 68 | Willie Bessie Baldwin | 2 | Daughter | — | Alabama |
| 69 | Jim Edwards | 64 | Head | Farmer | Alabama |
| 70 | Ethel Edwards | 18 | Granddaughter | Laborer | Alabama |
| 71 | Harris Edwards | 17 | Grandson | Laborer | Alabama |
| 72 | Annie Brad Jones | 16 | Granddaughter | Laborer | Alabama |
| 73 | Lee Allen Jones | 29 | Grandson | Laborer | Alabama |
| 74 | Maggie Baldwin | 17 | Granddaughter | Laborer | Alabama |
| 75 | William D. Jones | 11 | Son | — | Alabama |
| 76 | B. W. Smith | 46 | Head | Farmer | Alabama |
| 77 | Mattie Lee Smith | 36 | Wife | — | Alabama |
| 78 | Arthur H. Smith | 10 | Son | — | Alabama |
| 79 | Martha Jo Smith | 7 | Daughter | — | Alabama |
| 80 | Walter Dallas Smith | 1 | 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)