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Mary Blackwell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Wilkes-County, Georgia
Our Model Tree links this Mary Blackwell across the 1920, 1930 and 1940 US Censuses in Wilkes-County, Georgia (XGBoost, ~Confirmed) — first a spouse (b.~1893), then head of a 11-person household.
Age 47
b. ~1893
Female
Spouse
Born: Georgia
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Wilkes-County, Georgia |
| Surname | Blackwell |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Georgia |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Wilkes |
| Additional Details | |
| Occupation | Farm Laborer |
| Industry | on Farm |
| Class of Worker | NP |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Georgia |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
| Occupation | Farm Laborer |
| Township / Ward | M D 181 |
| 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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Fred Blackwell | Son | — | 12 | ~1928 |
| Jack Blackwell | Son | — | 18 | ~1922 |
| Lizzie Blackwell | Daughter | — | 22 | ~1918 |
| George Blackwell | Head | — | 47 | ~1893 |
| Sarah Blackwell | Daughter | — | 16 | ~1924 |
| Robert Blackwell | Son | — | 20 | ~1920 |
| John Blackwell | Son | — | 8 | ~1932 |
| Davis Blackwell | Son | — | 10 | ~1930 |
| Mittie Blackwell | Daughter | — | 7 | ~1933 |
| Mary Blackwell | Spouse | — | 47 | ~1893 |
| Marie Blackwell | Daughter | — | 14 | ~1926 |
Census Appearances
1920
Wilkes, Georgia
Spouse, age 24
Wilkes, Georgia · implied b. ~1896 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Blackwell |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Georgia |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Occupation | Farm Laborer |
| Industry | Home Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
1930
Wilkes, Georgia
Spouse, age 34
Wilkes, Georgia · implied b. ~1896 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Blackwell |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Georgia |
| Age at First Marriage | 19 |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
1940
Wilkes-County, Georgia
Spouse, age 47
Wilkes-County, Georgia · implied b. ~1893 — 11 household members
| Surname | Blackwell |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Georgia |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Wilkes |
| Occupation | Farm Laborer |
| Industry | on Farm |
| Class of Worker | NP |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Georgia |
| 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 Blackwell 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 Blackwell
Spouse · 1940 · age 47 · b. ~1893 · Georgia
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Wilkes-County, Georgia
Open full size
1940 US Federal Census — Wilkes-County, Georgia
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00723-00800)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Oleman Coleman | 19 | Head | Farmer | Georgia |
| 42 | Essie Lou Coleman | 16 | Wife | Farm Laborer | Georgia |
| 43 | Boyce F. Moon | 38 | Head | Farmer | Georgia |
| 44 | Hattie Lou Moon | 36 | Wife | — | Georgia |
| 45 | James W. Moon | 16 | Son | — | Georgia |
| 46 | Hester Williams | 59 | Head | Farmer | Georgia |
| 47 | Lola Williams | 23 | Daughter | Farm Laborer | Georgia |
| 48 | Ruby Williams | 15 | Daughter | Farm Laborer | Georgia |
| 49 | Annie May Williams | 19 | Granddaughter | Farm Laborer | Georgia |
| 50 | Lewis Williams | 14 | Grandson | Farm Laborer | Georgia |
| 51 | Edward Williams | 12 | Grandson | — | Georgia |
| 52 | Johnnie Williams | 11 | Grandson | — | Georgia |
| 53 | W. C. Williams | 10 | Grandson | — | Georgia |
| 54 | S. C. Williams | 2 | Grandson | — | Georgia |
| 55 | Evans Mercer | 60 | Head | — | Georgia |
| 56 | Wilmoth Mercer | 36 | Sister | — | Georgia |
| 57 | Albert Rainey | 42 | Head | Farmer | Georgia |
| 58 | Marie Rainey | 45 | Wife | — | Georgia |
| 59 | Columbus Johnson | 65 | Head | Farmer | Georgia |
| 60 | Columbus Jr. Johnson | 32 | Son | Farmer | Georgia |
| 61 | Mattie Lou Johnson | 30 | Daughter in law | — | Georgia |
| 62 | Douglas Johnson | 8 | Grandson | — | Georgia |
| 63 | Brother Johnson | 5 | Grandson | — | Georgia |
| 64 | Isaac Johnson | 3 | Grandson | — | Georgia |
| 65 | Roselle Jones | 36 | Head | Farmer | Georgia |
| 66 | George E. Jones | 19 | Son | Farm Laborer | Georgia |
| 67 | Linda Jones | 17 | Daughter | Farm Laborer | Georgia |
| 68 | Leila May Jones | 12 | Daughter | — | Georgia |
| 69 | Emma Lee Jones | 12 | Daughter | — | Georgia |
| 70 | George Blackwell | 47 | Head | Farmer | Georgia |
| 71 | Mary Blackwell THIS PERSON | 47 | Wife | Farm Laborer | Georgia |
| 72 | Lizzie M. Blackwell | 22 | Daughter | Farm Laborer | Georgia |
| 73 | Robert Lee Blackwell | 20 | Son | Farm Laborer | Georgia |
| 74 | Jack Blackwell | 18 | Son | Farm Laborer | Georgia |
| 75 | Sarah W. Blackwell | 16 | Daughter | — | Georgia |
| 76 | Marie Blackwell | 14 | Daughter | — | Georgia |
| 77 | Fred G. Blackwell | 12 | Son | — | Georgia |
| 78 | Davis Blackwell | 10 | Son | — | Georgia |
| 79 | John Burnie Blackwell | 8 | Son | — | Georgia |
| 80 | Mittie Blackwell | 7 | Daughter | — | 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)