MD
Marion Davis — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hamilton-County, Ohio
Our Model Tree links this Marion Davis across the 1930 and 1940 US Censuses in Hamilton-County, Ohio (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 11-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 | Marion |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (County) | Hamilton |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| 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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Marion | Age | Birth yr |
|---|---|---|---|---|
| Marion Davis | Daughter | — | 13 | ~1927 |
| Ethel Davis | Daughter | — | 10 | ~1930 |
| May Davis | Daughter | — | 4 | ~1936 |
| De Davis | Daughter | — | 8 | ~1932 |
| Mary Davis | Daughter | — | 15 | ~1925 |
| Grover Davis | Head | — | 44 | ~1896 |
| Irene Davis | Son | — | 6 | ~1934 |
| Lucille Davis | Son | — | 19 | ~1921 |
| Benson Davis | Son | — | 17 | ~1923 |
| Calvin Davis | Son | — | 1 | ~1939 |
| Maybell Davis | Spouse | — | 40 | ~1900 |
Census Appearances
1930
Hamilton, Ohio
Other, age 6
Hamilton, Ohio · implied b. ~1924 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Marion |
| Relationship to Head | Boarder |
| Sex | F |
| Color / Race | Black |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Hamilton-County, Ohio
Daughter, age 13
Hamilton-County, Ohio · implied b. ~1927 — 11 household members
| Surname | Davis |
| Given Name | Marion |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (County) | Hamilton |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| 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 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 13 · b. ~1927 · Ohio
★ You are viewing this record
Sibling
Irene Davis
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ethel Davis
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lucille Davis
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
May Davis
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Calvin Davis
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Davis
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
De Davis
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Benson Davis
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 — 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-t0627-03198-00154)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Samuel Pullins | 3 | Son | — | Ohio |
| 42 | Avernon Pullins | 2 | Son | — | Ohio |
| 43 | James Carley | 42 | Head | 40 | Ga |
| 44 | Ludert Carley | 34 | Wife | — | Alabama |
| 45 | Rosizelle Legrand | 16 | Daughter | — | Ohio |
| 46 | Leonard Legrand | 14 | Son | — | Ohio |
| 47 | Daphne Cornestine | 12 | Daughter | — | Ohio |
| 48 | Bonnie Daniel | 9 | Son | — | Ohio |
| 49 | Chas E Sharp | 35 | Head | 46 | Alabama |
| 50 | Mary Sharp | 27 | Wife | — | Ga |
| 51 | Anne Crenshaw | 60 | Mother | 30 | Alabama |
| 52 | Chas Mathews | 28 | Head | 60 | Alabama |
| 53 | Ella M Mathews | 26 | Wife | 40 | Alabama |
| 54 | Jeanne Mathews | 6 | Daughter | — | Alabama |
| 55 | James L Mathews | 1 | Son | 0 | Ohio |
| 56 | Chas A Mathews | 0 | Son | 0 | Ohio |
| 57 | Jimmie Hudson | 52 | Head | — | Kentucky |
| 58 | Bessie Reynolds | 40 | Head | — | Nc |
| 59 | Berthe Ford | 39 | Head | 32 | Miss |
| 60 | Elizabeth Clartz | 60 | Mother | — | Miss |
| 61 | Almon Huntley | 29 | Sister | 20 | Miss |
| 62 | Theodore Huntley | 14 | Son | — | Ohio |
| 63 | Cleo Clartz | 25 | Brother | — | Miss |
| 64 | Grover Davis | 44 | Head | 42 | Sc |
| 65 | Maybell Davis | 40 | Wife | — | Sc |
| 66 | Lucille Davis | 19 | Son | — | Sc |
| 67 | Benson Davis | 17 | Son | 34 | Ohio |
| 68 | Mary Davis | 15 | Daughter | 44 | Ohio |
| 69 | Marion Davis THIS PERSON | 13 | Daughter | — | Ohio |
| 70 | Ethel Davis | 10 | Daughter | — | Ohio |
| 71 | De Lois Davis | 8 | Daughter | — | Ohio |
| 72 | Irene Jr Davis | 6 | Son | — | Ohio |
| 73 | May Bell Davis | 4 | Daughter | — | Ohio |
| 74 | Calvin Davis | 1 | Son | — | Ohio |
| 75 | Albit Young | 56 | Head | 40 | Tenn |
| 76 | Annie Young | 43 | Wife | — | Ohio |
| 77 | Theresa Young | 20 | Daughter | 40 | Ohio |
| 78 | Eugene Harris | 26 | Head | 32 | Sc |
| 79 | Bertha Harris | 24 | Wife | — | Ga |
| 80 | Mary E Harris | 4 | Daughter | — | Ohio |
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)