DS
Dorothy Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Dorothy Smith across the 1920, 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Theodore & Theodore — first a daughter (b.~1918), then head of a 6-person household.
Age 22
b. ~1918
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Smith |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Occupation | new worker |
| Highest Grade | No 4 |
| 1935 Residence | Same house |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | New Worker |
| Township / Ward | Philadelphia |
| Est. Birth Year | ~1918 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Dorothy | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Smith | Daughter | — | 22 | ~1918 |
| Margaret Smith | Head | — | 50 | ~1890 |
| Eula Mitchell | Other | — | 26 | ~1914 |
| Moses Hanes | Other | — | 16 | ~1924 |
| James Mitchell | Other | — | 29 | ~1911 |
| James Smith | Son | — | 17 | ~1923 |
Census Appearances
1920
Philadelphia, Pennsylvania
Daughter, age 1
Philadelphia, Pennsylvania · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Dorothy V. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Philadelphia, Pennsylvania
Daughter, age 11
Philadelphia, Pennsylvania · implied b. ~1919 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Philadelphia-County, Pennsylvania
Daughter, age 22
Philadelphia-County, Pennsylvania · implied b. ~1918 — 6 household members
| Surname | Smith |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Occupation | new worker |
| Highest Grade | No 4 |
| 1935 Residence | Same house |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Theodore Smith (~0.92 confidence) and father Theodore Smith (~0.92 confidence) and mother Margaret Smith (~0.92 confidence) and mother Maggie Smith (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Theodore Smith
b. ~1890
Source father
● Household
· direct · ~0.92
Father
Theodore Smith
b. ~1893
Source father
● Household
· direct · ~0.92
Mother
Margaret Smith
b. ~1890
Source mother
● Household
· direct · ~0.92
Mother
Maggie Smith
b. ~1892
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Dorothy Smith
Daughter · 1940 · age 22 · b. ~1918 · Pennsylvania
★ You are viewing this record
Sibling
James Smith
Sibling · 1940 · age 17
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 — Philadelphia-County, Pennsylvania
Open full size
1940 US Federal Census — Philadelphia-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03725-00556)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Earl Frazier | 59 | Head | Watchman | Pennsylvania |
| 2 | Abbey Frazier | 54 | Wife | — | Pennsylvania |
| 3 | Hylotis Frazier | 30 | Daughter | — | Pennsylvania |
| 4 | Dorothy Frazier | 16 | Daughter | — | Pennsylvania |
| 5 | Nellie Whitaker | 7 | Granddaughter | — | Pennsylvania |
| 6 | Robert Smith | 8 | Grandson | — | Pennsylvania |
| 7 | Dorothy Hembrook | 6 | Daughter | — | Pennsylvania |
| 8 | L. Jordan | 85 | Father | — | Pennsylvania |
| 9 | Margaret Smith | 50 | Head | Servant | Virginia |
| 10 | Dorothy Smith THIS PERSON | 22 | Daughter | New Worker | Pennsylvania |
| 11 | James Smith | 17 | Son | New Worker | Pennsylvania |
| 12 | James Mitchell | 29 | Lodger | Laborer | Alabama |
| 13 | Eula Mitchell | 26 | Lodger | Servant | Pennsylvania |
| 14 | Moses Hanes | 16 | Lodger | — | Pennsylvania |
| 15 | Frank White | 76 | Head | — | Missouri |
| 16 | Sarah White | 67 | Wife | — | Missouri |
| 17 | Eugene Seawell | 42 | Lodger | Chef | Maryland |
| 18 | Virginia Seawell | 44 | Lodger | — | Virginia |
| 19 | William Harden | 63 | Lodger | Chauffer | Pennsylvania |
| 20 | John Miller | 45 | Head | Laborer | N. Carolina |
| 21 | Selia Miller | 30 | Wife | — | N. Carolina |
| 22 | John Miller | 12 | Son | — | Pennsylvania |
| 23 | Jeannette Miller | 11 | Daughter | — | Pennsylvania |
| 24 | Ruth Miller | 11 | Daughter | — | Pennsylvania |
| 25 | John Plumstin | 32 | Head | Assembler | Virginia |
| 26 | Edna Plumstin | 26 | Wife | Servant | Virginia |
| 27 | David Carter | 30 | Head | Elevator Operator | N. Carolina |
| 28 | Ophelia Carter | 35 | Wife | — | Pennsylvania |
| 29 | Branch Cole | 65 | Head | Helper On Truck | Virginia |
| 30 | Annie Cole | 43 | Wife | — | Virginia |
| 31 | Colin Beard | 23 | Step son | Helper Salesman | Virginia |
| 32 | James Cole | 24 | Son | Helper On Truck | Virginia |
| 33 | Alberta Cole | 22 | Daughter | Servant | Virginia |
| 34 | William Rucker | 62 | Head | Laborer | Georgia |
| 35 | Laura Rucker | 57 | Wife | — | Georgia |
| 36 | Clarence Martin | 42 | Head | Chauffer | Virginia |
| 37 | Roxanna Martin | 36 | Wife | — | Virginia |
| 38 | David Martin | 12 | Son | — | Virginia |
| 39 | Ralph White | 65 | Head | Laborer | Virginia |
| 40 | Alice White | 64 | Wife | — | Virginia |
Pedigree Summary
Dorothy + 1 sibling
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)