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Marie Davis — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hamilton-County, Ohio
Our Model Tree links this Marie Davis across the 1930 and 1940 US Censuses in Hamilton-County, Ohio (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 12-person household.
Age 13
b. ~1927
Female
Daughter
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hamilton-County, Ohio |
| Surname | Davis |
| Given Name | Marie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Ohio |
| Additional Details | |
| Highest Grade | No 3 |
| 1935 Residence | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Cincinnati |
| Est. Birth Year | ~1927 |
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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Marie | Age | Birth yr |
|---|---|---|---|---|
| Ophelia Davis | Daughter | — | 9 | ~1931 |
| Kathlene Davis | Daughter | — | 13 | ~1927 |
| Margaret Crews | Daughter | — | 24 | ~1916 |
| Marie Davis | Daughter | — | 13 | ~1927 |
| William Davis | Head | — | 52 | ~1888 |
| Barbara Crews | Other | — | 1 | ~1939 |
| Alma Crews | Other | — | 5 | ~1935 |
| Orville Davis | Son | — | 14 | ~1926 |
| Donald Davis | Son | — | 8 | ~1932 |
| Robert Davis | Son | — | 18 | ~1922 |
| Earl Davis | Son | — | 10 | ~1930 |
| Cora Davis | Spouse | — | 46 | ~1894 |
Census Appearances
1930
Hamilton, Ohio
Daughter, age 3
Hamilton, Ohio · implied b. ~1927 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Marie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Hamilton-County, Ohio
Daughter, age 13
Hamilton-County, Ohio · implied b. ~1927 — 12 household members
| Surname | Davis |
| Given Name | Marie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Ohio |
| Highest Grade | No 3 |
| 1935 Residence | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 13 · b. ~1927 · Ohio
★ You are viewing this record
Sibling
Orville Davis
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Crews
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Davis
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Davis
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kathlene Davis
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Earl Davis
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ophelia 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 — Hamilton-County, Ohio
Open full size
1940 US Federal Census — Hamilton-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03197-00383)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Harvey Taylor | 38 | Head | Merchant | Kentucky |
| 42 | Nellie Taylor | 67 | Wife | — | Kentucky |
| 43 | Lou Backer | 67 | Head | Caretaker | Georgia |
| 44 | Rebecca Taylor | 41 | Head | — | Florida |
| 45 | Charles Powell | 29 | Lodger | Laborer | Georgia |
| 46 | James Bridge | 31 | Lodger | Laborer | Texas |
| 47 | Beatrice Armstrong | 32 | Lodger | Maid | Mississippi |
| 48 | Willie Bradley | 34 | Lodger | Watchman | Georgia |
| 49 | James Anderson | 50 | Lodger | Porter | Georgia |
| 50 | Square Slaughter | 55 | Lodger | Laborer | Georgia |
| 51 | Jerome Steagall | 23 | Lodger | Laborer | Georgia |
| 52 | Augusta Smith | 34 | Head | Housework | Alabama |
| 53 | Robert Smith | 15 | Son | — | Kentucky |
| 54 | Dorothy Warren | 17 | Daughter | — | Alabama |
| 55 | Oma Warren | 24 | Son | Porter | Tennessee |
| 56 | Ilija Graham | 69 | Head | — | Alabama |
| 57 | Dave Anderson | 46 | Head | Laborer | Alabama |
| 58 | Rosie Anderson | 39 | Wife | — | Alabama |
| 59 | Christian O'Neil | 19 | Daughter | — | Alabama |
| 60 | Eugene O'Neil | 4 | Grandson | — | Ohio |
| 61 | William Davis | 52 | Head | Hod Carrier | Kentucky |
| 62 | Cora Davis | 46 | Wife | — | Kentucky |
| 63 | Robert Davis | 18 | Son | — | Ohio |
| 64 | Orville Davis | 14 | Son | — | Ohio |
| 65 | Earl Davis | 10 | Son | — | Ohio |
| 66 | Kathlene Davis | 13 | Daughter | — | Ohio |
| 67 | Marie Davis THIS PERSON | 13 | Daughter | — | Ohio |
| 68 | Ophelia Davis | 9 | Daughter | — | Ohio |
| 69 | Donald Davis | 8 | Son | — | Ohio |
| 70 | Margaret Crews | 24 | Daughter | Seamstress | Kentucky |
| 71 | Barbara Crews | 1 | Granddaughter | — | Ohio |
| 72 | Alma Crews | 5 | Granddaughter | — | Ohio |
| 73 | Robert Lively | 58 | Head | Fireman | Tennessee |
| 74 | Florence Lively | 64 | Wife | — | Tennessee |
| 75 | Bernard Jansen | 55 | Head | Carpenter | Ohio |
| 76 | Joe Jansen | 61 | Brother | Porter | Ohio |
| 77 | Frank Lutz | 62 | Head | Paper Hanger | Kentucky |
| 78 | Katie Lutz | 59 | Wife | — | Kentucky |
| 79 | Julian Page | 25 | Head | Common Laborer | Ohio |
| 80 | Hilda Page | 20 | Wife | — | Kentucky |
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)