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Mary Baldwin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Richland-County, South Carolina
Our Model Tree links this Mary Baldwin across the 1920, 1930 and 1940 US Censuses in Richland-County, South Carolina (XGBoost, ~Confirmed), with identified parents James & Walter — first a daughter (b.~1922), then head of a 11-person household.
Age 18
b. ~1922
Female
Daughter
Born: South Carolina
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Richland-County, South Carolina |
| Surname | Baldwin |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Clinton |
| 1935 Residence (County) | Laurens |
| Additional Details | |
| Highest Grade | H-4 |
| 1935 Residence | South Carolina |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Township / Ward | Columbia City |
| Est. Birth Year | ~1922 |
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 |
|---|---|---|---|---|
| Alice Baldwin | Daughter | — | 15 | ~1925 |
| Mary Baldwin | Daughter | — | 18 | ~1922 |
| Katherine Baldwin | Daughter | — | 12 | ~1928 |
| Walter Baldwin | Head | — | 57 | ~1883 |
| Dorothy Hart | Other | — | 25 | ~1915 |
| Bessie Elgin | Other | — | 39 | ~1901 |
| Mary Gray | Other | — | 38 | ~1902 |
| Elizabeth Smith | Other | — | 25 | ~1915 |
| Donald Smith | Other | — | 26 | ~1914 |
| Walter Baldwin | Son | — | 25 | ~1915 |
| Elizabeth Baldwin | Spouse | — | 50 | ~1890 |
Census Appearances
1920
Calhoun, South …
Daughter, age 1
Calhoun, South Carolina · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Baldwin |
| Given Name | Mary Lee |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 1 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1930
Richland, South …
Daughter, age 11
Richland, South Carolina · implied b. ~1919 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Baldwin |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 11 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Richland-County, South …
Daughter, age 18
Richland-County, South Carolina · implied b. ~1922 — 11 household members
| Surname | Baldwin |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Clinton |
| 1935 Residence (County) | Laurens |
| Highest Grade | H-4 |
| 1935 Residence | South Carolina |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
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 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father James Baldwin (~0.92 confidence) and father Walter Baldwin (~0.92 confidence) and father Tommy Baldwin (~0.92 confidence) and mother Bernie Baldwin (~0.92 confidence) and mother Elizabeth Baldwin (~0.92 confidence) and mother Ella Baldwin (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Baldwin
b. ~1870
Source father
● Household
· direct · ~0.92
Father
Walter Baldwin
b. ~1883
Source father
● Household
· direct · ~0.92
Father
Tommy Baldwin
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Bernie Baldwin
b. ~1890
Source mother
● Household
· direct · ~0.92
Mother
Elizabeth Baldwin
b. ~1890
Source mother
● Household
· direct · ~0.92
Mother
Ella Baldwin
b. ~1899
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Baldwin
Daughter · 1940 · age 18 · b. ~1922 · South Carolina
★ You are viewing this record
Sibling
Alice Baldwin
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Walter Baldwin
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Katherine Baldwin
Sibling · 1940 · age 12
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 — Richland-County, South Carolina
Open full size
1940 US Federal Census — Richland-County, South Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03832-00082)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Madge Bunch | 38 | Sister | Bookkeeper | South Carolina |
| 42 | Ann Smith | 67 | Mother | — | South Carolina |
| 43 | Mamie Thomas | 63 | Head | — | South Carolina |
| 44 | Sam Cunningham | 25 | Son | Draftsman | South Carolina |
| 45 | Iii Henry | 18 | Grandson | — | South Carolina |
| 46 | P. Albert | 12 | Grandson | — | South Carolina |
| 47 | William E. Brown | 25 | Head | Salesman | South Carolina |
| 48 | Miriam Brown | 22 | Daughter | Stenographer | South Carolina |
| 49 | Ellen Pennington | 68 | Sister | Manager | South Carolina |
| 50 | Clara Bell Seeler | 39 | Head | Statistician | South Carolina |
| 51 | Walter P. Baldwin | 57 | Head | Correspondent | South Carolina |
| 52 | Elizabeth Baldwin | 50 | Wife | — | South Carolina |
| 53 | Walter Jr. Baldwin | 25 | Son | — | South Carolina |
| 54 | Mary Baldwin THIS PERSON | 18 | Daughter | — | South Carolina |
| 55 | Alice Baldwin | 15 | Daughter | — | South Carolina |
| 56 | Katherine Baldwin | 12 | Daughter | — | South Carolina |
| 57 | Mary Gray | 38 | Lodger | Stenographer | South Carolina |
| 58 | Bessie Elgin | 39 | Lodger | Stenographer | South Carolina |
| 59 | Dorothy Hart | 25 | Lodger | Typist | South Carolina |
| 60 | Elizabeth Smith | 25 | Lodger | Stenographer | South Carolina |
| 61 | Donald Smith | 26 | Lodger | Bookkeeper | South Carolina |
| 62 | Claudine Lide | 60 | Head | Contractor | South Carolina |
| 63 | Charlotte Lide | 49 | Wife | — | South Carolina |
| 64 | Charlotte B. Lide | 16 | Daughter | — | South Carolina |
| 65 | Mary Lide | 14 | Daughter | — | South Carolina |
| 66 | Elizabeth Lide | 10 | Daughter | — | South Carolina |
| 67 | Claudine Jr. Lide | 8 | Son | — | South Carolina |
| 68 | Helen Chaffin | 28 | Head | Nurse Trained | South Carolina |
| 69 | Sadie Stademire | 30 | Partner | Anesthetist | South Carolina |
| 70 | Melba Meehan | 30 | Partner | Nurse Trained | South Carolina |
| 71 | Helen Holcombe | 36 | Head | Saleslady | South Carolina |
| 72 | William E. Sniper | 29 | Head | Salesman | Georgia |
| 73 | Francis Sniper | 27 | Wife | — | South Carolina |
| 74 | Nancy Sniper | 6 | Daughter | — | South Carolina |
| 75 | Edith Mcdill | 45 | Lodger | Bookkeeper | South Carolina |
| 76 | Clara Peacher | 42 | Lodger | Machine Operator | South Carolina |
| 77 | Carrie D. Ector | 71 | Head | — | Georgia |
| 78 | Julia Ector | 34 | Daughter | Teacher | Georgia |
| 79 | Mary Duval | 25 | Lodger | Teacher | South Carolina |
| 80 | Nora M. Davis | 56 | Head | Director | South Carolina |
Pedigree Summary
Mary + 3 siblings
Gen 1 · 6 parents
~0.92
Max depth 4 (1900–1950 window)
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)