MD
Marie Davis — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Marie Davis across the 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 9-person household.
Age 12
b. ~1928
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Davis |
| Given Name | Marie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Philadelphia |
| Est. Birth Year | ~1928 |
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 Marie | Age | Birth yr |
|---|---|---|---|---|
| Jaimee Davis | Daughter | — | 3 | ~1937 |
| Irene Davis | Daughter | — | 8 | ~1932 |
| Marie Davis | Daughter | — | 12 | ~1928 |
| Marion Davis | Daughter | — | 10 | ~1930 |
| William Davis | Head | — | 32 | ~1908 |
| Robert Davis | Son | — | 1 | ~1939 |
| William Davis | Son | — | 7 | ~1933 |
| James Davis | Son | — | 5 | ~1935 |
| Nettie Davis | Spouse | — | 28 | ~1912 |
Census Appearances
1930
Philadelphia, Pennsylvania
Daughter, age 1
Philadelphia, Pennsylvania · implied b. ~1929 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Marie |
| 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 |
1940
Philadelphia-County, Pennsylvania
Daughter, age 12
Philadelphia-County, Pennsylvania · implied b. ~1928 — 9 household members
| Surname | Davis |
| Given Name | Marie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Highest Grade | No 5 |
| 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 Marie Davis across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Marie Davis
Daughter · 1940 · age 12 · b. ~1928 · Pennsylvania
★ You are viewing this record
Sibling
James Davis
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Davis
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irene Davis
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Davis
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jaimee Davis
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marion Davis
Sibling · 1940 · age 10
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-t0627-03698-00426)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John D. Carroll | 44 | Head | Roofer | So Carolina |
| 42 | Alberta Carroll | 41 | Wife | Domestic | So Carolina |
| 43 | Joseph Carroll | 22 | Son | — | Pennsylvania |
| 44 | William Carroll | 15 | Son | — | Pennsylvania |
| 45 | Bernice Carroll | 11 | Daughter | — | Pennsylvania |
| 46 | John Carroll | 9 | Son | — | Pennsylvania |
| 47 | Wallace Dickinson | 21 | Head | Paper Hanger | Delaware |
| 48 | Dorothy Dickinson | 19 | Wife | Domestic | Florida |
| 49 | John Stargell | 33 | Lodger | Laborer | Georgia |
| 50 | Mary Brooks | 33 | Head | Domestic | Maryland |
| 51 | Helen Brooks | 14 | Daughter | — | Pennsylvania |
| 52 | Dolores Brooks | 4 | Daughter | — | Pennsylvania |
| 53 | Eva Mitchner | 45 | Head | Domestic | Virginia |
| 54 | George Harth | 71 | Head | Laundry | Pennsylvania |
| 55 | Josephine Harth | 62 | Wife | — | Czechoslovakia |
| 56 | Michael Quinn | 53 | Lodger | Plumber | Pennsylvania |
| 57 | Eva Swarley | 64 | Head | — | Pennsylvania |
| 58 | John Mchenry | 42 | Head | Laborer | Tennessee |
| 59 | Mattie Mchenry | 43 | Wife | — | Virginia |
| 60 | James Mchenry | 25 | Son | Laborer | Virginia |
| 61 | Avery Mchenry | 16 | Son | New Worker | Pennsylvania |
| 62 | William Stevenson | 33 | Lodger | Porter | Pennsylvania |
| 63 | Willis Mccuzzy | 66 | Head | Boiler Attendant | Georgia |
| 64 | Carrie Mccuzzy | 55 | Wife | — | So Carolina |
| 65 | Lillian Mccuzzy | 40 | Daughter | Domestic | So Carolina |
| 66 | John Mccuzzy | 35 | Son | Domestic | So Carolina |
| 67 | Welamae Mccuzzy | 24 | Daughter | Seamstress | So Carolina |
| 68 | Harold Mccuzzy | 20 | Son | — | Pennsylvania |
| 69 | Mary Turner | 31 | Lodger | Sewing | Pennsylvania |
| 70 | William Davis | 32 | Head | Laborer | Georgia |
| 71 | Nettie Davis | 28 | Wife | — | No Carolina |
| 72 | Marie Davis THIS PERSON | 12 | Daughter | — | Pennsylvania |
| 73 | Marion Davis | 10 | Daughter | — | Pennsylvania |
| 74 | Irene Davis | 8 | Daughter | — | Pennsylvania |
| 75 | William Davis | 7 | Son | — | Pennsylvania |
| 76 | James Davis | 5 | Son | — | Pennsylvania |
| 77 | Jaimee Davis | 3 | Daughter | — | Pennsylvania |
| 78 | Robert Davis | 1 | Son | — | Pennsylvania |
| 79 | Lucie Walker | 72 | Head | — | No Carolina |
| 80 | Andrew Walker | 29 | Grandson | Wrecker | No Carolina |
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)