MD
Marion Davis — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Marion Davis across the 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1920), then head of a 9-person household.
Age 20
b. ~1920
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Davis |
| Given Name | Marion |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Occupation | Bookkeeper |
| Industry | Curtain Factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 210 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Bookkeeper |
| Township / Ward | Philadelphia |
| 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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Marion | Age | Birth yr |
|---|---|---|---|---|
| Lorraine Davis | Daughter | — | 5 | ~1935 |
| Roslyn Davis | Daughter | — | 8 | ~1932 |
| Mildred Davis | Daughter | — | 15 | ~1925 |
| Charlotte Davis | Daughter | — | 2 | ~1938 |
| Marion Davis | Daughter | — | 20 | ~1920 |
| Hortense Davis | Daughter | — | 13 | ~1927 |
| Samuel Davis | Head | — | 44 | ~1896 |
| Carl Davis | Son | — | 9 | ~1931 |
| Anna Davis | Spouse | — | 36 | ~1904 |
Census Appearances
1930
Philadelphia, Pennsylvania
Daughter, age 9
Philadelphia, Pennsylvania · implied b. ~1921 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Marion |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Philadelphia-County, Pennsylvania
Daughter, age 20
Philadelphia-County, Pennsylvania · implied b. ~1920 — 9 household members
| Surname | Davis |
| Given Name | Marion |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Occupation | Bookkeeper |
| Industry | Curtain Factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 210 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| 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 Marion Davis across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Marion Davis
Daughter · 1940 · age 20 · b. ~1920 · Pennsylvania
★ You are viewing this record
Sibling
Charlotte Davis
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mildred Davis
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lorraine Davis
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Roslyn Davis
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hortense Davis
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carl Davis
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
39 people indexed on this census page (nara:1940:m-t0627-03734-00231)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Sylvia Polin | 25 | Daughter | Designer | Pennsylvania |
| 2 | Harry Polin | 37 | Head | Tailor | Russia |
| 3 | Anna Polin | 31 | Wife | — | Pennsylvania |
| 4 | Burton Polin | 5 | Son | — | Pennsylvania |
| 5 | Sheldon Polin | 0 | Son | — | Pennsylvania |
| 6 | Lena Silvers | 62 | Head | — | Poland |
| 7 | Benjamin Silvers | 42 | Son | — | Pennsylvania |
| 8 | Joseph Silvers | 39 | Son | Salesman | Pennsylvania |
| 9 | Josh Silvers | 37 | Son | Press Operator | Pennsylvania |
| 10 | Daniel Silvers | 33 | Son | Salesman | Pennsylvania |
| 11 | Harriet Silvers | 28 | Daughter | Salesgirl | Pennsylvania |
| 12 | Herman Silvers | 25 | Son | Stockboy | Pennsylvania |
| 13 | Myer Silvers | 23 | Son | — | Pennsylvania |
| 14 | Samuel Davis | 44 | Head | Paperhanger | Roumania |
| 15 | Anna Davis | 36 | Wife | — | Russia |
| 16 | Marion Davis THIS PERSON | 20 | Daughter | Bookkeeper | Pennsylvania |
| 17 | Mildred Davis | 15 | Daughter | — | Pennsylvania |
| 18 | Hortense Davis | 13 | Daughter | — | Pennsylvania |
| 19 | Carl Davis | 9 | Son | — | Pennsylvania |
| 20 | Roslyn Davis | 8 | Daughter | — | Pennsylvania |
| 21 | Lorraine Davis | 5 | Daughter | — | Pennsylvania |
| 22 | Charlotte Davis | 2 | Daughter | — | Pennsylvania |
| 23 | Herman Snyder | 39 | Head | Window Trimmer | Russia |
| 24 | Frances Snyder | 32 | Wife | — | Pennsylvania |
| 25 | Leroy Snyder | 11 | Son | — | Pennsylvania |
| 26 | Burton Snyder | 8 | Son | — | Pennsylvania |
| 27 | Lila Snyder | 5 | Daughter | — | Pennsylvania |
| 28 | Myer Werner | 56 | Lodger | — | Russia |
| 29 | Ralph Marshall | 50 | Head | Binder | Massachusetts |
| 30 | Samuel Kruver | 63 | Head | Proprietor | Russia |
| 31 | Bessie Kruver | 57 | Wife | — | Austria |
| 32 | Sylvia Levine | 36 | Daughter | Manager | Pennsylvania |
| 33 | Lester Levine | 38 | Son-in-law | — | Pennsylvania |
| 34 | Lucille Levine | 3 | Daughter | — | Pennsylvania |
| 35 | Morris Wexler | 56 | Head | Proprietor | Russia |
| 36 | Becky Wexler | 54 | Wife | Clerk | Russia |
| 37 | Frances Wexler | 26 | Daughter | Librarian | Pennsylvania |
| 38 | Gassie Cohen | 64 | Head | — | Russia |
| 39 | Abe Cohen | 31 | Son | Clerk | Louisiana |
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)