MC
Mary Caldwell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mecklenburg-County, North Carolina
Our Model Tree links this Mary Caldwell across the 1930 and 1940 US Censuses in Mecklenburg-County, North Carolina (XGBoost, ~Confirmed) — first a spouse (b.~1891), then head of a 14-person household.
Age 49
b. ~1891
Female
Spouse
Born: South Carolina
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Mecklenburg-County, North Carolina |
| Surname | Caldwell |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 49 |
| Marital Status | Married |
| Birthplace | South Carolina |
| 1935 Residence (City) | Steel Creek |
| 1935 Residence (County) | Mecklenburg |
| Additional Details | |
| Industry | 0 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Township / Ward | Steel Creek |
| Est. Birth Year | ~1891 |
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.
14 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Caldwell | Daughter | — | 4 | ~1936 |
| Carrie Caldwell | Daughter | — | 8 | ~1932 |
| Inez Caldwell | Daughter | — | 11 | ~1929 |
| Fred Caldwell | Head | — | 53 | ~1887 |
| J Pickens | Other | — | 7 | ~1933 |
| Rebecca Grier | Other | — | 2 | ~1938 |
| Willene White | Other | — | 2 | ~1938 |
| Henderson Caldwell | Son | — | 19 | ~1921 |
| Amos Caldwell | Son | — | 15 | ~1925 |
| Thomas Caldwell | Son | — | 14 | ~1926 |
| Campbell Caldwell | Son | — | 12 | ~1928 |
| Hindman Caldwell | Son | — | 16 | ~1924 |
| Alfred Caldwell | Son | — | 18 | ~1922 |
| Mary Caldwell | Spouse | — | 49 | ~1891 |
Census Appearances
1930
Mecklenburg, North …
Spouse, age 43
Mecklenburg, North Carolina · implied b. ~1887 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Caldwell |
| Given Name | Martha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 43 |
| Marital Status | Married |
| Birthplace | South Carolina |
| Age at First Marriage | 40 |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Can Read/Write | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Mecklenburg-County, North …
Spouse, age 49
Mecklenburg-County, North Carolina · implied b. ~1891 — 14 household members
| Surname | Caldwell |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 49 |
| Marital Status | Married |
| Birthplace | South Carolina |
| 1935 Residence (City) | Steel Creek |
| 1935 Residence (County) | Mecklenburg |
| Industry | 0 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| 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 Caldwell across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Caldwell
Spouse · 1940 · age 49 · b. ~1891 · North Carolina
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Mecklenburg-County, North Carolina
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1940 US Federal Census — Mecklenburg-County, North Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02944-00471)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Evelyn Bond | 19 | Wife | — | North Carolina |
| 2 | Charles Hillian Bond | 2 | Son | — | North Carolina |
| 3 | Billy Oxford Bond | 12 | Daughter | — | North Carolina |
| 4 | H. C. Williams | 26 | Head | Day Laborer | North Carolina |
| 5 | Eliza Williams | 21 | Wife | — | North Carolina |
| 6 | Henderson Caldwell | 18 | Brother-in-law | Milk Deliverer | North Carolina |
| 7 | Amos Caldwell | 15 | Brother-in-law | Milk Deliverer | North Carolina |
| 8 | E. H. Sneed | 23 | Head | Laborer | North Carolina |
| 9 | Rachel Sneed | 21 | Wife | — | North Carolina |
| 10 | Frances Sneed | 2 | Daughter | — | North Carolina |
| 11 | Olin Kiser | 27 | Brother | Carpenter | North Carolina |
| 12 | George Harris | 29 | Head | Laborer | South Carolina |
| 13 | Odell Harris | 25 | Wife | Servant | South Carolina |
| 14 | Susie Mae Harris | 7 | Daughter | — | South Carolina |
| 15 | Fred Caldwell | 53 | Head | W.P.A. Laborer | South Carolina |
| 16 | Mary Caldwell THIS PERSON | 49 | Wife | — | South Carolina |
| 17 | Henderson Caldwell | 19 | Son | Laborer | North Carolina |
| 18 | Alfred Caldwell | 18 | Son | Laborer | North Carolina |
| 19 | Hindman Caldwell | 16 | Son | Milk Deliverer | North Carolina |
| 20 | Amos Caldwell | 15 | Son | Milk Deliverer | North Carolina |
| 21 | Thomas Caldwell | 14 | Son | — | North Carolina |
| 22 | Campbell Caldwell | 12 | Son | — | North Carolina |
| 23 | Inez Caldwell | 11 | Daughter | — | North Carolina |
| 24 | Carrie Caldwell | 8 | Daughter | — | North Carolina |
| 25 | Dorothy Esther Caldwell | 4 | Daughter | — | North Carolina |
| 26 | J. C. Pickens | 7 | Grandson | — | North Carolina |
| 27 | Rebecca Grier | 2 | Granddaughter | — | North Carolina |
| 28 | Willene White | 2 | Granddaughter | — | North Carolina |
| 29 | Sam Mckenny | 48 | Head | Farmer | North Carolina |
| 30 | Polly Lindsay | 71 | Housekeeper | Housekeeper | South Carolina |
| 31 | Tom Oates | 42 | Hired hand | Farm Laborer | South Carolina |
| 32 | Ellen Robinson | 47 | Head | Librarian | North Carolina |
| 33 | Lola Gray Robinson | 15 | Daughter | — | North Carolina |
| 34 | William Hillian Grey | 52 | Head | Farmer | North Carolina |
| 35 | Carrie Grey | 52 | Wife | — | North Carolina |
| 36 | Bilard Grey | 24 | Son | Mechanic | North Carolina |
| 37 | Carl Grey | 22 | Son | Manager | North Carolina |
| 38 | Lewis Grey | 20 | Son | Laborer | North Carolina |
| 39 | Ruth Grey | 17 | Daughter | — | North Carolina |
| 40 | William Hillian Jr. Grey | 14 | Son | — | North Carolina |
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)