MD
Mary Douglas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Davidson-County, Tennessee
Our Model Tree links this Mary Douglas across the 1910, 1920, 1930 and 1940 US Censuses in Davidson-County, Tennessee (XGBoost, ~Confirmed), with identified parents Maggie — first a daughter (b.~1901), then head of a 3-person household.
Age 39
b. ~1901
Female
Daughter
Born: Tennessee
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Davidson-County, Tennessee |
| Surname | Douglas |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 39 |
| Marital Status | Widowed |
| Birthplace | Tennessee |
| 1935 Residence (City) | Nashville city |
| 1935 Residence (County) | Davidson |
| Additional Details | |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
| Township / Ward | Nashville City |
| Est. Birth Year | ~1901 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Douglas | Daughter | — | 39 | ~1901 |
| Maggie Oakman | Head | — | 69 | ~1871 |
| James Douglas | Other | — | 8 | ~1932 |
Census Appearances
1910
Sumner, Tennessee
Other, age 10
Sumner, Tennessee · implied b. ~1900 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Douglas |
| Given Name | Mary |
| Relationship to Head | Grand Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Occupation | Laundress |
| Industry | Working out |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1920
Davidson, Tennessee
Other, age 19
Davidson, Tennessee · implied b. ~1901 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Douglas |
| Given Name | Mary |
| Relationship to Head | Niece-in-law |
| Sex | F |
| Color / Race | Black |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Occupation | Cook |
| Industry | Private Family |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1930
Davidson, Tennessee
Other, age 31
Davidson, Tennessee · implied b. ~1899 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Douglas |
| Given Name | Mary A |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | Black |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Tennessee |
| Age at First Marriage | 21 |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1940
Davidson-County, Tennessee
Daughter, age 39
Davidson-County, Tennessee · implied b. ~1901 — 3 household members
| Surname | Douglas |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 39 |
| Marital Status | Widowed |
| Birthplace | Tennessee |
| 1935 Residence (City) | Nashville city |
| 1935 Residence (County) | Davidson |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
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 Douglas across 4 US Census years (1910, 1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: mother Maggie Oakman (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Maggie Oakman
b. ~1871
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Douglas
Daughter · 1940 · age 39 · b. ~1901 · Tennessee
★ 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 — Davidson-County, Tennessee
Open full size
1940 US Federal Census — Davidson-County, Tennessee
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03974-00659)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Anna Belle Joyner | 32 | Head | — | Tennessee |
| 2 | William Overton | 27 | Brother | Laborer | Tennessee |
| 3 | Minnie Harris | 49 | Head | — | Tennessee |
| 4 | Helen Harris | 7 | Daughter | — | Tennessee |
| 5 | Carrie Patterson | 66 | Head | — | Tennessee |
| 6 | Lula Halfacre | 40 | Daughter | Laundress | Tennessee |
| 7 | Florence Wallace | 36 | Head | Laundress | Tennessee |
| 8 | Mildred Wallace | 21 | Daughter | Housekeeper | Tennessee |
| 9 | Mamie Wiseman | 46 | Head | Cook | Tennessee |
| 10 | Ethel Wiseman | 17 | Daughter | Housekeeper | Tennessee |
| 11 | Andrew Jr. Wiseman | 14 | Son | — | Tennessee |
| 12 | Mary E. Finley | 8 | Daughter | — | Tennessee |
| 13 | Cora L. Wiseman | 13 | Daughter | — | Tennessee |
| 14 | Ethel Sanley | 21 | Head | — | Tennessee |
| 15 | Arthur Sanley | 29 | Husband | Truck Driver | Tennessee |
| 16 | Joseph A. Butler | 56 | Head | Brick Mason | Tennessee |
| 17 | Georgia Butler | 53 | Wife | — | Tennessee |
| 18 | Lou Sawyer | 70 | Head | — | Kentucky |
| 19 | Laura Sawyer | 55 | Wife | Laundress | Tennessee |
| 20 | Mabel Hodge | 33 | Daughter | — | Tennessee |
| 21 | Lizzie Woods | 50 | Head | — | Tennessee |
| 22 | Annie Hicks | 32 | Daughter | Laundress | Tennessee |
| 23 | Sadie Mae Woods | 21 | Daughter | — | Tennessee |
| 24 | Tillman Adams | 38 | Head | Laborer | Tennessee |
| 25 | Nellie Adams | 32 | Wife | Housekeeper | Tennessee |
| 26 | Howard Adams | 16 | Son | — | Tennessee |
| 27 | Maggie Oakman | 69 | Head | — | Tennessee |
| 28 | Mary Douglas THIS PERSON | 39 | Daughter | — | Tennessee |
| 29 | James Jr. Douglas | 8 | Grandson | — | Tennessee |
| 30 | Bessie Hereford | 39 | Head | Laundress | Alabama |
| 31 | George W. Williams | 63 | Head | Laborer | Tennessee |
| 32 | Nancy Williams | 70 | Sister | Laundress | Tennessee |
| 33 | James B. Franklin | 32 | Head | Proprietor | Tennessee |
| 34 | Sylvia Franklin | 29 | Wife | — | Tennessee |
| 35 | James B. Jr. Franklin | 13 | Son | — | Tennessee |
| 36 | Robert L. Franklin | 11 | Son | — | Tennessee |
| 37 | Gladys L. Franklin | 9 | Daughter | — | Tennessee |
| 38 | George W. Locke | 51 | Head | Janitor | Tennessee |
| 39 | Geneva Locke | 48 | Wife | Cook | Tennessee |
| 40 | Edward Staten | 47 | Boarder | Houseboy | Tennessee |
Pedigree Summary
Mary
Gen 1 · 1 parents
~0.92
Max depth 4 (1900–1950 window)
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)