MD
Marion Davis — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Marshall-County, Illinois
Our Model Tree links this Marion Davis across the 1930 and 1940 US Censuses in Marshall-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1929), then head of a 9-person household.
Age 11
b. ~1929
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Marshall-County, Illinois |
| Surname | Davis |
| Given Name | Marion |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Roberts Twp |
| 1935 Residence (County) | Marshall |
| Additional Details | |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Roberts Twp |
| Est. Birth Year | ~1929 |
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 |
|---|---|---|---|---|
| Joann Davis | Daughter | — | 6 | ~1934 |
| Jennie Davis | Daughter | — | 17 | ~1923 |
| Everett Davis | Head | — | 43 | ~1897 |
| David Davis | Son | — | 3 | ~1937 |
| Marion Davis | Son | — | 11 | ~1929 |
| Carl Davis | Son | — | 14 | ~1926 |
| John Davis | Son | — | 8 | ~1932 |
| Donald Davis | Son | — | 5 | ~1935 |
| Minnie Davis | Spouse | — | 42 | ~1898 |
Census Appearances
1930
Putnam, Illinois
Son, age 1
Putnam, Illinois · implied b. ~1929 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Marion |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Marshall-County, Illinois
Son, age 11
Marshall-County, Illinois · implied b. ~1929 — 9 household members
| Surname | Davis |
| Given Name | Marion |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Roberts Twp |
| 1935 Residence (County) | Marshall |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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
Son · 1940 · age 11 · b. ~1929 · Illinois
★ You are viewing this record
Sibling
Joann Davis
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jennie Davis
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carl Davis
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Davis
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
David Davis
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Davis
Sibling · 1940 · age 5
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 — Marshall-County, Illinois
Open full size
1940 US Federal Census — Marshall-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00854-00312)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Morris Olson | 65 | Head | Farmer | Illinois |
| 2 | Onie Olson | 65 | Wife | — | Ohio |
| 3 | Larry Stauffacher | 42 | Hired man | Hired Hand | Wisconsin |
| 4 | Willard D. Jesse | 62 | Head | Farmer | Illinois |
| 5 | Lydia Jesse | 53 | Wife | — | Pennsylvania |
| 6 | Ione Jesse | 26 | Daughter | Stenographer | Illinois |
| 7 | George Dingman | 23 | Head | Truck Driver | Illinois |
| 8 | Marie Dingman | 18 | Wife | — | Illinois |
| 9 | Eugene Dingman | 1 | Son | — | Illinois |
| 10 | Susan Smith | 51 | Head | Housework | Illinois |
| 11 | Gerald Smith | 7 | Son | — | Illinois |
| 12 | Frank R. Johnson | 50 | Head | — | Illinois |
| 13 | Albert Johnson | 60 | Brother | Farm Labor | Illinois |
| 14 | Everett Davis | 43 | Head | Farm Labor | Indiana |
| 15 | Minnie Davis | 42 | Wife | — | Illinois |
| 16 | Jennie Davis | 17 | Daughter | — | Illinois |
| 17 | Carl Davis | 14 | Son | — | Illinois |
| 18 | Marion Davis THIS PERSON | 11 | Son | — | Illinois |
| 19 | John Davis | 8 | Son | — | Illinois |
| 20 | Joann Davis | 6 | Daughter | — | Illinois |
| 21 | Donald Davis | 5 | Son | — | Illinois |
| 22 | David Davis | 3 | Son | — | Illinois |
| 23 | Leslie D. Stites | 25 | Head | Farmer | Indiana |
| 24 | Agnes Stites | 25 | Wife | — | Illinois |
| 25 | Shirleyann Stites | 2 | Daughter | — | Illinois |
| 26 | Ethel Stites | 46 | Head | Farmer | Indiana |
| 27 | Ethel Stites | 45 | Wife | — | Indiana |
| 28 | William Stites | 18 | Son | — | Indiana |
| 29 | Fred D. Crisler | 33 | Head | Road Construction | Missouri |
| 30 | Madge Crisler | 31 | Wife | — | Missouri |
| 31 | Fred Crisler | 11 | Son | — | Kansas |
| 32 | Charles Crisler | 10 | Son | — | Missouri |
| 33 | Donald Crisler | 8 | Son | — | Missouri |
| 34 | James Crisler | 6 | Son | — | Illinois |
| 35 | Patricia Crisler | 2 | Daughter | — | Illinois |
| 36 | Jacob T. Smith | 58 | Head | Farmer | Pennsylvania |
| 37 | Alice Smith | 56 | Wife | — | Illinois |
| 38 | Floyd Smith | 34 | Son | Farmer | Illinois |
| 39 | Helen Smith | 31 | Daughter-in-law | — | Illinois |
| 40 | Wallace Smith | 6 | Son | — | Illinois |
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)