MS
Marie Smith — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Marie Smith across the 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1922), then head of a 10-person household.
Age 18
b. ~1922
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Smith |
| Given Name | Marie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Occupation | New Worker |
| Class of Worker | GW |
| Hours Worked | 12 |
| Income (1939) | 0 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same House |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | New Worker |
| Township / Ward | Philadelphia |
| Est. Birth Year | ~1922 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Marie | Age | Birth yr |
|---|---|---|---|---|
| Eleanor Smith | Daughter | — | 9 | ~1931 |
| Marie Smith | Daughter | — | 18 | ~1922 |
| Thelma Smith | Daughter | — | 14 | ~1926 |
| Rita Smith | Daughter | — | 11 | ~1929 |
| Robert Smith | Head | — | 44 | ~1896 |
| Albert Smith | Son | — | 19 | ~1921 |
| Howard Smith | Son | — | 16 | ~1924 |
| Lawrence Smith | Son | — | 13 | ~1927 |
| Robert Smith | Son | — | 24 | ~1916 |
| Elizabeth Smith | Spouse | — | 43 | ~1897 |
Census Appearances
1930
Philadelphia, Pennsylvania
Daughter, age 8
Philadelphia, Pennsylvania · implied b. ~1922 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Marie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Philadelphia-County, Pennsylvania
Daughter, age 18
Philadelphia-County, Pennsylvania · implied b. ~1922 — 10 household members
| Surname | Smith |
| Given Name | Marie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Occupation | New Worker |
| Class of Worker | GW |
| Hours Worked | 12 |
| Income (1939) | 0 |
| Highest Grade | Hs 1 |
| 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 Marie Smith across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Marie Smith
Daughter · 1940 · age 18 · b. ~1922 · Pennsylvania
★ You are viewing this record
Sibling
Lawrence Smith
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Smith
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Albert Smith
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Howard Smith
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rita Smith
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thelma Smith
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eleanor Smith
Sibling · 1940 · age 9
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
38 people indexed on this census page (nara:1940:m-t0627-03710-00275)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Williams | 42 | Head | Laborer | South Carolina |
| 2 | Bennie Williams | 37 | Wife | Seamstress | South Carolina |
| 3 | Benjamin Williams | 15 | Son | — | Pennsylvania |
| 4 | Pearl Scott | 31 | Head | Music Teacher | Pennsylvania |
| 5 | Lindsay | 31 | Head | — | Pennsylvania |
| 6 | Helen Atwood | 26 | Head | — | Pennsylvania |
| 7 | Gloria Atwood | 8 | Daughter | — | Pennsylvania |
| 8 | Robert Smith | 44 | Head | Janitor | Maryland |
| 9 | Elizabeth Smith | 43 | Wife | — | Maryland |
| 10 | Robert Jr Smith | 24 | Son | Mechanic | Pennsylvania |
| 11 | Albert Smith | 19 | Son | Handyman | Pennsylvania |
| 12 | Marie Smith THIS PERSON | 18 | Daughter | New Worker | Pennsylvania |
| 13 | Howard Smith | 16 | Son | — | Pennsylvania |
| 14 | Thelma Smith | 14 | Daughter | — | Pennsylvania |
| 15 | Lawrence Smith | 13 | Son | — | Pennsylvania |
| 16 | Rita Smith | 11 | Daughter | — | Pennsylvania |
| 17 | Eleanor Smith | 9 | Daughter | — | Pennsylvania |
| 18 | Anna Davis | 63 | Head | — | Pennsylvania |
| 19 | Lulu Davis | 53 | Sister | Housework | Pennsylvania |
| 20 | Louise Davis | 18 | Daughter | — | Pennsylvania |
| 21 | Pearl Davis | 25 | Daughter | — | Pennsylvania |
| 22 | Harvey B Pierce | 70 | Head | Contractor | Pennsylvania |
| 23 | Harvey Jr Pierce | 38 | Son | Elev Operator | Pennsylvania |
| 24 | Benjamin Jackson | 40 | Head | Helper | South Carolina |
| 25 | Lulu Jackson | 32 | Wife | — | South Carolina |
| 26 | William Jackson | 19 | Son | Helper | South Carolina |
| 27 | Alma Jackson | 15 | Daughter | — | South Carolina |
| 28 | Anna M Jackson | 14 | Daughter | — | South Carolina |
| 29 | Maloma Jackson | 11 | Daughter | — | South Carolina |
| 30 | Charles Jackson | 9 | Son | — | South Carolina |
| 31 | Bertha L Jackson | 5 | Daughter | — | Pennsylvania |
| 32 | Doris M Jackson | 3 | Daughter | — | Pennsylvania |
| 33 | Paul Johnson | 40 | Head | Truck Driver | Virginia |
| 34 | Daisy Johnson | 31 | Wife | — | Virginia |
| 35 | Daisy Johnson | 28 | Daughter | Housework | Pennsylvania |
| 36 | Junned Jacob Johnson | 18 | Nephew | Helper | Pennsylvania |
| 37 | Joseph Lemon | 50 | Head | Janitor | Virginia |
| 38 | Jessie Lemon | 32 | Wife | — | South Carolina |
Related Census Records
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)