MC
Mary Cobb — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Fulton, Georgia
Our Model Tree links this Mary Cobb across the 1930 and 1940 US Censuses in Fulton, Georgia (XGBoost, ~Confirmed) — first a daughter (b.~1922), then head of a 8-person household.
Age 8
b. ~1922
Female
Daughter
Born: Georgia
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Fulton, Georgia |
| Surname | Cobb |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Georgia |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Additional Details | |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
| Township / Ward | Atlanta Borough |
| 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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Lucy Cobb | Daughter | — | 2 | ~1928 |
| Arthur Cobb | Head | — | 32 | ~1898 |
| Mary Cobb | Daughter | — | 8 | ~1922 |
| Willie Cobb | Son | — | ~1930 | |
| Arthur Cobb | Son | — | 6 | ~1924 |
| Robert Cobb | Son | — | 5 | ~1925 |
| Emma Cobb | Spouse | — | 24 | ~1906 |
| James Cobb | Son | — | 4 | ~1926 |
Census Appearances
1930
Fulton, Georgia
Daughter, age 8
Fulton, Georgia · implied b. ~1922 — 8 household members
| Surname | Cobb |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Georgia |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
1940
Fulton-County, Georgia
Daughter, age 20
Fulton-County, Georgia · implied b. ~1920 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cobb |
| Given Name | Marie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Georgia |
| 1935 Residence (City) | Atlanta City |
| 1935 Residence (County) | Fulton |
| Occupation | Cook |
| Industry | Cafe |
| Class of Worker | PW |
| Hours Worked | 70 |
| Income (1939) | 207 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
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 · 1930 · age 8 · b. ~1922 · Georgia
★ You are viewing this record
Sibling
Willie Cobb
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lucy Cobb
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Cobb
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Cobb
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arthur Cobb
Sibling · 1930 · age 6
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
1930 US Federal Census — Fulton, Georgia
Open full size
1930 US Federal Census — Fulton, Georgia
Page Contents
11 people indexed on this census page (ia:1930:georgiacensus00reel359:0234)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Arthur Cobb | 32 | Head | Salesman | Georgia |
| 52 | Emma Cobb | 24 | Wife | — | Georgia |
| 53 | Mary Cobb THIS PERSON | 8 | Daughter | — | Georgia |
| 54 | Arthur Jr Cobb | 6 | Son | — | Georgia |
| 55 | Robert Cobb | 5 | Son | — | Georgia |
| 56 | James Cobb | 4 | Son | — | Georgia |
| 57 | Lucy Cobb | 2 | Daughter | — | Georgia |
| 58 | Willie Cobb | 0 | Son | — | Georgia |
| 59 | Willie Chief | 47 | Head | Trucker | Georgia |
| 60 | Emma Brittain | 20 | Head | Cook | Georgia |
| 61 | Willie Mae Brittain | 26 | Daughter | Laborer | Georgia |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)