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Mary Black — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Richmond-County, Georgia
Our Model Tree links this Mary Black across the 1910, 1920, 1930 and 1940 US Censuses in Richmond-County, Georgia (XGBoost, ~Confirmed) — first a head (b.~1893), then head of a 2-person household.
Age 47
b. ~1893
Female
Head
Born: Georgia
Separated
1940 Census Record Details
| Census Year | 1940 |
| Location | Richmond-County, Georgia |
| Surname | Black |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | Black |
| Age | 47 |
| Marital Status | Separated |
| Birthplace | Georgia |
| 1935 Residence (City) | M. D. 1434 |
| 1935 Residence (County) | Richmond |
| Additional Details | |
| Occupation | Day hand |
| Industry | Farm |
| Class of Worker | PW |
| Income (1939) | 78 |
| Highest Grade | No 0 |
| 1935 Residence | Same place |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
| Occupation | Day Hand |
| Township / Ward | M D 1434 |
| Est. Birth Year | ~1893 |
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 |
|---|---|---|---|---|
| Mary Black | Head | — | 47 | ~1893 |
| Wilbert Johnson | Son | — | 16 | ~1924 |
Census Appearances
1910
Richmond, Georgia
Other, age 19
Richmond, Georgia · implied b. ~1891 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Black |
| Given Name | Mary |
| Relationship to Head | Boarder |
| Sex | F |
| Color / Race | Black |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Georgia |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Occupation | nurse |
| Industry | family |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
1920
Richmond, Georgia
Head, age 30
Richmond, Georgia · implied b. ~1890
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Black |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | Black |
| Age | 30 |
| Marital Status | Widowed |
| Birthplace | Georgia |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Occupation | Laundress |
| Industry | At Home |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
1930
Richmond, Georgia
Head, age 40
Richmond, Georgia · implied b. ~1890 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Black |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | Black |
| Age | 40 |
| Marital Status | Widowed |
| Birthplace | Georgia |
| Age at First Marriage | 17 |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Occupation | Laundry Work |
| Industry | Private Home |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 6.00 |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
1940
Richmond-County, Georgia
Head, age 47
Richmond-County, Georgia · implied b. ~1893 — 2 household members
| Surname | Black |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | Black |
| Age | 47 |
| Marital Status | Separated |
| Birthplace | Georgia |
| 1935 Residence (City) | M. D. 1434 |
| 1935 Residence (County) | Richmond |
| Occupation | Day hand |
| Industry | Farm |
| Class of Worker | PW |
| Income (1939) | 78 |
| Highest Grade | No 0 |
| 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 Black across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Black
Head · 1940 · age 47 · b. ~1893 · Georgia
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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 — Richmond-County, Georgia
Open full size
1940 US Federal Census — Richmond-County, Georgia
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00706-00631)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Willie Burton | 21 | Lodger | Day Hand | Georgia |
| 2 | Allonia Waye | 30 | Lodger | Day Hand | Georgia |
| 3 | Henry S Parnell | 55 | Head | Share Cropper | S. Carolina |
| 4 | Calvin Parnell | 23 | Son | Day Hand | S. Carolina |
| 5 | Nellie Parnell | 19 | Daughter | — | S. Carolina |
| 6 | Daniel Parnell | 15 | Son | — | Georgia |
| 7 | Brice Parnell | 13 | Son | — | Georgia |
| 8 | Dan Burton | 50 | Head | Share Cropper | Georgia |
| 9 | Marie Burton | 40 | Wife | — | Georgia |
| 10 | Emilia Burton | 25 | Daughter | Helper On Farm | Georgia |
| 11 | Ellie Burton | 24 | Son | Day Hand | Georgia |
| 12 | Janie Burton | 13 | Daughter | Helper On Farm | Georgia |
| 13 | John Burton | 1 | Son | — | Georgia |
| 14 | Millard Berrong | 42 | Head | Merchant | Georgia |
| 15 | Edna L Berrong | 49 | Wife | Sales Lady | Georgia |
| 16 | Claud F Hardin | 40 | Head | Dairyman | Alabama |
| 17 | Hazel Hardin | 33 | Wife | — | Georgia |
| 18 | Jamie Hardin | 14 | Son | — | Florida |
| 19 | Frank Coleman | 39 | Head | Day Hand | Georgia |
| 20 | Thelma Coleman | 33 | Wife | — | Georgia |
| 21 | Essie M Coleman | 7 | Daughter | Day Hand | Georgia |
| 22 | Enoch Coleman | 45 | Head | Day Hand | Georgia |
| 23 | Indie Becton | 32 | Head | Day Hand | Georgia |
| 24 | Lee Anna Becton | 22 | Wife | Servant | S. Carolina |
| 25 | Linsey Williams | 47 | Head | Day Hand | Georgia |
| 26 | Morabel Williams | 15 | Daughter | — | Georgia |
| 27 | Ethel Williams | 12 | Daughter | — | Georgia |
| 28 | Clifford Nelson | 43 | Head | Day Hand | Georgia |
| 29 | Minnie Nelson | 42 | Wife | Day Hand | Georgia |
| 30 | Mary F Nelson | 9 | Daughter | — | Georgia |
| 31 | Clifford Jr Nelson | 8 | Son | — | Georgia |
| 32 | Louise Nelson | 23 | Daughter | Day Hand | Georgia |
| 33 | Annie R Wright | 2 | Grand daughter | — | Georgia |
| 34 | Mary Black THIS PERSON | 47 | Head | Day Hand | Georgia |
| 35 | Wilbert Johnson | 16 | Son | Day Hand | Georgia |
| 36 | Arthur Watson | 20 | Head | Day Hand | Georgia |
| 37 | Nellie Watson | 19 | Wife | — | Georgia |
| 38 | Shirley Watson | 5 | Daughter | — | Georgia |
| 39 | Bobby N Watson | 3 | Daughter | — | Georgia |
| 40 | Arthur Jr Watson | 1 | Son | — | 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)