DS
Dorothy Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Plaquemines-County, Louisiana
Our Model Tree links this Dorothy Smith across the 1920, 1930 and 1940 US Censuses in Plaquemines-County, Louisiana (XGBoost, ~Confirmed), with identified parents Mitchell & Mitchell — first a daughter (b.~1920), then head of a 5-person household.
Age 20
b. ~1920
Female
Daughter
Born: Louisiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Plaquemines-County, Louisiana |
| Surname | Smith |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Police Jury Ward 9 |
| 1935 Residence (County) | Plaquemines |
| Additional Details | |
| Occupation | Housework |
| Industry | Private Family |
| Class of Worker | PW |
| Hours Worked | 35 |
| Income (1939) | 208 |
| Highest Grade | No 7 |
| 1935 Residence | Same Place |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Occupation | Housework |
| Township / Ward | Police Jury Ward 9 |
| Est. Birth Year | ~1920 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Dorothy | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Smith | Daughter | — | 20 | ~1920 |
| Mitchell Smith | Head | — | 46 | ~1894 |
| Nelson Smith | Son | — | 12 | ~1928 |
| Mitchell Smith | Son | — | 18 | ~1922 |
| Amelia Smith | Spouse | — | 39 | ~1901 |
Census Appearances
1920
Plaquemines, Louisiana
Daughter, age
Plaquemines, Louisiana · implied b. ~1920 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Occupation | none |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1930
Plaquemines, Louisiana
Daughter, age 10
Plaquemines, Louisiana · implied b. ~1920 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Can Read/Write | Yes |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
Plaquemines-County, Louisiana
Daughter, age 20
Plaquemines-County, Louisiana · implied b. ~1920 — 5 household members
| Surname | Smith |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Police Jury Ward 9 |
| 1935 Residence (County) | Plaquemines |
| Occupation | Housework |
| Industry | Private Family |
| Class of Worker | PW |
| Hours Worked | 35 |
| Income (1939) | 208 |
| Highest Grade | No 7 |
| 1935 Residence | Same Place |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
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 Dorothy Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Mitchell Smith (~0.92 confidence) and father Mitchell Smith (~0.92 confidence) and mother Amelia Smith (~0.92 confidence) and mother Amelia Smith (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Mitchell Smith
b. ~1894
Source father
● Household
· direct · ~0.92
Father
Mitchell Smith
b. ~1895
Source father
● Household
· direct · ~0.92
Mother
Amelia Smith
b. ~1901
Source mother
● Household
· direct · ~0.92
Mother
Amelia Smith
b. ~1894
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Dorothy Smith
Daughter · 1940 · age 20 · b. ~1920 · Louisiana
★ You are viewing this record
Sibling
Mitchell Smith
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nelson Smith
Sibling · 1940 · age 12
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 — Plaquemines-County, Louisiana
Open full size
1940 US Federal Census — Plaquemines-County, Louisiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01439-00233)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Carrie Roland | 26 | Sister | Housework | Louisiana |
| 2 | Gerard Roland | 10 | Nephew | — | Louisiana |
| 3 | Ruby Roland | 6 | Niece | — | Louisiana |
| 4 | Mitchell Smith | 46 | Head | Farm | Louisiana |
| 5 | Amelia Smith | 39 | Wife | — | Louisiana |
| 6 | Dorothy Smith THIS PERSON | 20 | Daughter | Housework | Louisiana |
| 7 | Mitchell Jr. Smith | 18 | Son | Farm Labor | Louisiana |
| 8 | Nelson Smith | 12 | Son | — | Louisiana |
| 9 | July Gordon | 39 | Head | Farmer | Louisiana |
| 10 | Georgiana Gordon | 35 | Wife | Housework | Louisiana |
| 11 | Mildred Gordon | 13 | Daughter | — | Louisiana |
| 12 | Myrtle Gordon | 10 | Daughter | — | Louisiana |
| 13 | Oelius Ingraham | 79 | Head | Gardener | Louisiana |
| 14 | Preston Parker | 54 | Head | Farm Laborer | Louisiana |
| 15 | Olajina Parker | 54 | Wife | — | Louisiana |
| 16 | Ernest Parker | 30 | Son | Oiler Drag Line | Louisiana |
| 17 | Josephine Parker | 21 | Daughter | Servant | Louisiana |
| 18 | Victoria Parker | 19 | Daughter | Servant | Louisiana |
| 19 | Edward Parker | 18 | Son | New Worker | Louisiana |
| 20 | Eugene Parker | 51 | Head | Farm Laborer | Louisiana |
| 21 | Augustine Parker | 49 | Wife | — | Louisiana |
| 22 | Oliver Parker | 19 | Son | New Worker | Louisiana |
| 23 | Gustava Parker | 15 | Daughter | New Worker | Louisiana |
| 24 | Willis R. Parker | 12 | Son | — | Louisiana |
| 25 | Arthur Lee | 63 | Head | Farmer | Louisiana |
| 26 | Rose Lee | 47 | Wife | — | Louisiana |
| 27 | Hellen Lee | 40 | Son | Laborer | Louisiana |
| 28 | August Ragas | 35 | Head | Farm Laborer | Louisiana |
| 29 | Florence Ragas | 29 | Wife | — | Louisiana |
| 30 | August Jr. Ragas | 10 | Son | — | Louisiana |
| 31 | Mervin Ragas | 9 | Son | — | Louisiana |
| 32 | Evangeline Ragas | 8 | Daughter | — | Louisiana |
| 33 | Nelson Ragas | 6 | Son | — | Louisiana |
| 34 | Alfred Ragas | 1 | Son | — | Louisiana |
| 35 | Alex Turner | 50 | Head | Farmer | Louisiana |
| 36 | Anita Turner | 24 | Daughter | Housework | Louisiana |
| 37 | Harvey Turner | 21 | Son | Farm Laborer | Louisiana |
| 38 | Eugene Turner | 19 | Son | Farm Laborer | Louisiana |
| 39 | Leon Turner | 17 | Son | Farm Laborer | Louisiana |
| 40 | John Turner | 15 | Son | — | Louisiana |
Pedigree Summary
Dorothy + 2 siblings
Gen 1 · 4 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)