MC
Mary Crosby — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Colleton-County, South Carolina
Our Model Tree links this Mary Crosby across the 1920, 1930 and 1940 US Censuses in Colleton-County, South Carolina (XGBoost, ~Confirmed) — first a head (b.~1879), then head of a 2-person household.
Age 61
b. ~1879
Female
Head
Born: South Carolina
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Colleton-County, South Carolina |
| Surname | Crosby |
| Given Name | Mary H. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 61 |
| Marital Status | Widowed |
| Birthplace | South Carolina |
| 1935 Residence (County) | Colleton |
| Additional Details | |
| Occupation | Farming |
| Industry | E |
| Class of Worker | 0 |
| Highest Grade | No 6 |
| 1935 Residence | 60 |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Occupation | Farming |
| Township / Ward | Bells Township |
| Est. Birth Year | ~1879 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Merrick Crosby | Son | — | 40 | ~1900 |
| Mary Crosby | Head | — | 61 | ~1879 |
Census Appearances
1920
Colleton, South …
Spouse, age 39
Colleton, South Carolina · implied b. ~1881 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Crosby |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1930
Colleton, South …
Spouse, age 50
Colleton, South Carolina · implied b. ~1880 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Crosby |
| Given Name | Mary Ann |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Can Read/Write | No |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Colleton-County, South …
Head, age 61
Colleton-County, South Carolina · implied b. ~1879 — 2 household members
| Surname | Crosby |
| Given Name | Mary H. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 61 |
| Marital Status | Widowed |
| Birthplace | South Carolina |
| 1935 Residence (County) | Colleton |
| Occupation | Farming |
| Industry | E |
| Class of Worker | 0 |
| Highest Grade | No 6 |
| 1935 Residence | 60 |
| 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 Crosby across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Crosby
Head · 1940 · age 61 · b. ~1879 · South 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 — Colleton-County, South Carolina
Open full size
1940 US Federal Census — Colleton-County, South Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03801-00092)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Stephens Lottie Mae Stephens | 2 | granddaughter | — | South Carolina |
| 42 | Zena Adams | 50 | Head | Logging Camp | South Carolina |
| 43 | Lizzie Adams | 49 | Wife | — | South Carolina |
| 44 | Cary Stewart | 26 | Head | Farming | South Carolina |
| 45 | Brawley Stewart | 33 | Son | Farming | South Carolina |
| 46 | Allen Stephens | 37 | Head | Farming | South Carolina |
| 47 | Ethel Stephens | 34 | Wife | — | South Carolina |
| 48 | Rachel Stephens | 13 | daughter | — | South Carolina |
| 49 | Jestime Stephens | 11 | daughter | — | South Carolina |
| 50 | Thelma Stephens | 8 | daughter | — | South Carolina |
| 51 | Junior Stephens | 6 | Son | — | South Carolina |
| 52 | David Aikens | 26 | Head | Farm Labour | South Carolina |
| 53 | Rosella Aikens | 22 | Wife | Farm Hand | South Carolina |
| 54 | W. D. Crosby | 40 | Head | Farming | South Carolina |
| 55 | Lillie Crosby | 33 | Wife | — | South Carolina |
| 56 | Mildred Crosby | 16 | daughter | Five Store | South Carolina |
| 57 | Watson Jr. Crosby | 14 | Son | — | South Carolina |
| 58 | Mamie Crosby | 8 | daughter | — | South Carolina |
| 59 | Mary E. Crosby | 70 | Head | Farming | South Carolina |
| 60 | H. D. Pinkese | 45 | son in law | Auto Garage | South Carolina |
| 61 | Annie Bell Pinkese | 36 | daughter | Public School | South Carolina |
| 62 | Mary Frances Pinkese | 8 | daughter | — | South Carolina |
| 63 | Robert Goff | 20 | Head | Farming | South Carolina |
| 64 | Louise Goff | 22 | Wife | Farming | South Carolina |
| 65 | Mary H. Crosby THIS PERSON | 61 | Head | Farming | South Carolina |
| 66 | Merrick Crosby | 40 | Son | Farming | South Carolina |
| 67 | C. W. Jr. Crosby | 34 | Head | Farming | South Carolina |
| 68 | Ethel Crosby | 32 | Wife | — | South Carolina |
| 69 | Norris Crosby | 7 | Son | — | South Carolina |
| 70 | Kate Robertson | 50 | Head | — | Georgia |
| 71 | Mellin Robertson | 30 | Son | Turpentine Works | South Carolina |
| 72 | Richard Robertson | 23 | Son | Logging Camp | South Carolina |
| 73 | Leroy Robertson | 17 | Son | Farming | South Carolina |
| 74 | Mildred Robertson | 15 | daughter | Farming | South Carolina |
| 75 | Evelyn Robertson | 4 | granddaughter | — | South Carolina |
| 76 | Jersey Hiers | 34 | Head | Farming | South Carolina |
| 77 | Reta Hiers | 30 | Wife | — | South Carolina |
| 78 | Lavinia Hiers | 8 | daughter | — | South Carolina |
| 79 | Elaine Hiers | 6 | daughter | — | South Carolina |
| 80 | W. H. Beach | 54 | Head | Farming | South 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)