MC
Mary Cobb — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Halifax-County, North Carolina
Our Model Tree links this Mary Cobb across the 1930 and 1940 US Censuses in Halifax-County, North Carolina (XGBoost, ~Confirmed) — first a daughter (b.~1922), then head of a 12-person household.
Age 18
b. ~1922
Female
Daughter
Born: North Carolina
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Halifax-County, North Carolina |
| Surname | Cobb |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | North Carolina |
| 1935 Residence (City) | Roanoke Rapids city |
| 1935 Residence (County) | Halifax |
| Additional Details | |
| Occupation | New worker |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | North Carolina |
| Birth Country | United States |
| Birthplace (normalized) | north carolina |
| Occupation | New Worker |
| Township / Ward | Roanoke Rapids 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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Opal Cobb | Daughter | — | 13 | ~1927 |
| Sam Cobb | Son | — | 10 | ~1930 |
| Samuel Cobb | Head | — | 41 | ~1899 |
| Blanche Cobb | Spouse | — | 37 | ~1903 |
| Preston Cobb | Son | — | 15 | ~1925 |
| Mary Cobb | Daughter | — | 18 | ~1922 |
| Maxine Cobb | Daughter | — | 2 | ~1938 |
| Howard Cobb | Son | — | 19 | ~1921 |
| Bobby Cobb | Son | — | 4 | ~1936 |
| Aldine Cobb | Daughter | — | ~1940 | |
| Billy Cobb | Son | — | 6 | ~1934 |
| Leland Cobb | Son | — | 7 | ~1933 |
Census Appearances
1930
Halifax, North …
Daughter, age 8
Halifax, North Carolina · implied b. ~1922 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cobb |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | North Carolina |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Birth State | North Carolina |
| Birth Country | United States |
| Birthplace (normalized) | north carolina |
1940
Halifax-County, North …
Daughter, age 18
Halifax-County, North Carolina · implied b. ~1922 — 12 household members
| Surname | Cobb |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | North Carolina |
| 1935 Residence (City) | Roanoke Rapids city |
| 1935 Residence (County) | Halifax |
| Occupation | New worker |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | North Carolina |
| Birth Country | United States |
| Birthplace (normalized) | north 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 Cobb across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Cobb
Daughter · 1940 · age 18 · b. ~1922 · North Carolina
★ You are viewing this record
Sibling
Maxine Cobb
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sam Cobb
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Aldine Cobb
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Opal Cobb
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Billy Cobb
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Preston Cobb
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Howard Cobb
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leland Cobb
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bobby Cobb
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 — Halifax-County, North Carolina
Open full size
1940 US Federal Census — Halifax-County, North Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02924-00364)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Samuel J. Cobb | 41 | Head | Loom Fixer | Virginia |
| 42 | Blanche X Cobb | 37 | Wife | — | Virginia |
| 43 | Howard Cobb | 19 | Son | Textile Worker | North Carolina |
| 44 | Mary Cobb THIS PERSON | 18 | Daughter | New Worker | North Carolina |
| 45 | Preston L. Cobb | 15 | Son | — | North Carolina |
| 46 | Opal Cobb | 13 | Daughter | — | North Carolina |
| 47 | Sam H. Cobb | 10 | Son | — | North Carolina |
| 48 | Leland Cobb | 7 | Son | — | North Carolina |
| 49 | Billy Cobb | 6 | Son | — | North Carolina |
| 50 | Bobby Cobb | 4 | Son | — | North Carolina |
| 51 | Maxine Cobb | 2 | Daughter | — | North Carolina |
| 52 | Aldine Cobb | 0 | Daughter | — | North Carolina |
| 53 | Alonza B. Carver | 31 | Head | Loom Fixer | South Carolina |
| 54 | Lula X Carver | 33 | Wife | Spinner | Virginia |
| 55 | Dan Carver | 8 | Son | — | North Carolina |
| 56 | Lois Ann Carver | 7 | Daughter | — | North Carolina |
| 57 | Allan P. Carver | 5 | Son | — | North Carolina |
| 58 | Mary E. Corner | 49 | Head | Weaver | North Carolina |
| 59 | Earl Corner | 20 | Son | Textile Worker | North Carolina |
| 60 | Simon Bryant | 40 | Head | Weaver | North Carolina |
| 61 | Catherine Bryant | 19 | Daughter | — | North Carolina |
| 62 | Annie Bryant | 70 | Mother | — | North Carolina |
| 63 | Margie Vaughan | 20 | Neice | — | North Carolina |
| 64 | D. Emmitt Wood | 42 | Head | Loom Fixer | North Carolina |
| 65 | Alice X Wood | 38 | Wife | Weaver | North Carolina |
| 66 | William C. Wood | 9 | Son | — | North Carolina |
| 67 | Lora Wood | 36 | Head | Spooler | North Carolina |
| 68 | Johnie C. Davis | 45 | Head | Spooler Hand | North Carolina |
| 69 | Lula B. Davis | 44 | Wife | — | North Carolina |
| 70 | Basil Davis | 14 | Son | — | North Carolina |
| 71 | Milton Davis | 12 | Son | — | North Carolina |
| 72 | Roger Davis | 9 | Son | — | North Carolina |
| 73 | Charlotte Davis | 8 | Daughter | — | North Carolina |
| 74 | Deorlias Davis | 3 | Daughter | — | North Carolina |
| 75 | Willie L. Outland | 36 | Head | Textile Worker | Virginia |
| 76 | Janice X Outland | 30 | Wife | — | North Carolina |
| 77 | Raymond Collier | 29 | Head | Weaver | North Carolina |
| 78 | Zenobia Collier | 27 | Wife | Weaver | North Carolina |
| 79 | Madelyn Collier | 7 | Daughter | — | North Carolina |
| 80 | Andrew Shearin | 23 | Head | Cloth Inspector | 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)