MJ
Mary Jacobs — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Douglas-County, Georgia
Our Model Tree links this Mary Jacobs across the 1930 and 1940 US Censuses in Douglas-County, Georgia (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 10-person household.
Age 12
b. ~1928
Female
Daughter
Born: Georgia
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Douglas-County, Georgia |
| Surname | Jacobs |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Georgia |
| 1935 Residence (City) | Chapel Hill M Dist 736 |
| 1935 Residence (County) | Douglas |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
| Township / Ward | Chapel Hill M Dist 736 |
| Est. Birth Year | ~1928 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Jacobs | Daughter | — | 12 | ~1928 |
| Mabel Jacobs | Daughter | — | 18 | ~1922 |
| Mildred Jacobs | Daughter | — | 19 | ~1921 |
| Martha Jacobs | Daughter | — | 12 | ~1928 |
| Melba Jacobs | Daughter | — | 13 | ~1927 |
| Margaret Jacobs | Daughter | — | 16 | ~1924 |
| J Jacobs | Head | — | 49 | ~1891 |
| Milton Jacobs | Son | — | 10 | ~1930 |
| Morris Jacobs | Son | — | 21 | ~1919 |
| Mattie Jacobs | Spouse | — | 50 | ~1890 |
Census Appearances
1930
Douglas, Georgia
Daughter, age 2
Douglas, Georgia · implied b. ~1928 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jacobs |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Georgia |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | 78 |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
1940
Douglas-County, Georgia
Daughter, age 12
Douglas-County, Georgia · implied b. ~1928 — 10 household members
| Surname | Jacobs |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Georgia |
| 1935 Residence (City) | Chapel Hill M Dist 736 |
| 1935 Residence (County) | Douglas |
| Class of Worker | 0 |
| Highest Grade | No 6 |
| 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 Jacobs across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Jacobs
Daughter · 1940 · age 12 · b. ~1928 · Georgia
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Sibling
Morris Jacobs
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mabel Jacobs
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Martha Jacobs
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Jacobs
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Melba Jacobs
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Milton Jacobs
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mildred Jacobs
Sibling · 1940 · age 19
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 — Douglas-County, Georgia
Open full size
1940 US Federal Census — Douglas-County, Georgia
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00667-00911)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ester Eberhart | 32 | Brother | — | Georgia |
| 2 | Louellen Eberhart | 68 | Father | — | Georgia |
| 3 | Frank Yates | 52 | Head | Labour | Georgia |
| 4 | Auede Yates | 37 | Wife | — | Georgia |
| 5 | Grover Yates | 4 | Son | — | Georgia |
| 6 | H. F. Rawlins | 60 | Head | Salesman | Georgia |
| 7 | Mary Rawlins | 60 | Wife | — | Georgia |
| 8 | Henry L. Rawlins | 32 | Son | Farmer | Georgia |
| 9 | Sallie Rawlins | 27 | Wife | — | Georgia |
| 10 | Martha Rawlins | 2 | Daughter | — | Georgia |
| 11 | Thomas Rawlins | 0 | Son | — | Georgia |
| 12 | J. T. Jacobs | 49 | Head | Farmer | Georgia |
| 13 | Mattie Jacobs | 50 | Wife | — | Georgia |
| 14 | Mildred Jacobs | 19 | Daughter | Inspector | Georgia |
| 15 | Morris S. Jacobs | 21 | Son | Power Shovel Operator | Georgia |
| 16 | Margaret Jacobs | 16 | Daughter | — | Georgia |
| 17 | Mabel Jacobs | 18 | Daughter | — | Georgia |
| 18 | Melba Jacobs | 13 | Daughter | — | Georgia |
| 19 | Mary Jacobs THIS PERSON | 12 | Daughter | — | Georgia |
| 20 | Martha Jacobs | 12 | Daughter | — | Georgia |
| 21 | Milton Jacobs | 10 | Son | — | Georgia |
| 22 | A. L. Kinley | 38 | Head | Farmer | Georgia |
| 23 | Elizabeth Kinley | 26 | Wife | — | Georgia |
| 24 | Mary Kinley | 5 | Daughter | — | Georgia |
| 25 | Albert Kinley | 5 | Son | — | Georgia |
| 26 | Mack Kinley | 3 | Son | — | Georgia |
| 27 | J. T. Henley | 60 | Head | — | Georgia |
| 28 | Tesla Henley | 24 | Daughter | Salesgirl | Georgia |
| 29 | Helen Henley | 20 | Daughter | Salesgirl | Georgia |
| 30 | J. T. Henley | 90 | Head | Medical Dr | Georgia |
| 31 | Ruby B. Henley | 65 | Wife | — | Georgia |
| 32 | C. K. Wallace | 55 | Head | Farmer | Georgia |
| 33 | Edward Wallace | 12 | Nephew | — | Georgia |
| 34 | Pauvene Casley | 19 | Lodger | Farm Lab | Georgia |
| 35 | Mary Wallace | 75 | Mother | — | Georgia |
| 36 | Penn Mclarion | 59 | Head | — | Georgia |
| 37 | Estella Mclarion | 45 | Wife | Farmer | Georgia |
| 38 | Lucious Mclarion | 14 | Son | Labour | Georgia |
| 39 | Hester Favors | 32 | Daughter | — | Georgia |
| 40 | Della Hindley | 59 | Head | — | Georgia |
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)