MT
Marion Thompson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Harrison-County, Ohio
Our Model Tree links this Marion Thompson across the 1930 and 1940 US Censuses in Harrison-County, Ohio (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 12-person household.
Age 15
b. ~1925
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Harrison-County, Ohio |
| Surname | Thompson |
| Given Name | Marion |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Unionvale (part) |
| 1935 Residence (County) | Harrison |
| Additional Details | |
| Class of Worker | 36 |
| Highest Grade | 7 |
| 1935 Residence | Same house |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Unionvale Part |
| Est. Birth Year | ~1925 |
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 Marion | Age | Birth yr |
|---|---|---|---|---|
| Joe Kelley | Other | — | 55 | ~1885 |
| Vivian Thompson | Daughter | — | 11 | ~1929 |
| Carl Thompson | Son | — | 18 | ~1922 |
| Cloyd Thompson | Son | — | 22 | ~1918 |
| Lois Thompson | Daughter | — | 9 | ~1931 |
| Edith Thompson | Spouse | — | 40 | ~1900 |
| Chester Thompson | Son | — | 11 | ~1929 |
| Glen Thompson | Son | — | 19 | ~1921 |
| Marion Thompson | Son | — | 15 | ~1925 |
| Carl Thompson | Head | — | 42 | ~1898 |
| Melvin Thompson | Son | — | 20 | ~1920 |
| Dorothy Thompson | Daughter | — | 4 | ~1936 |
Census Appearances
1930
Harrison, Ohio
Son, age 6
Harrison, Ohio · implied b. ~1924 — 13 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Marion E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Harrison-County, Ohio
Son, age 15
Harrison-County, Ohio · implied b. ~1925 — 12 household members
| Surname | Thompson |
| Given Name | Marion |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Unionvale (part) |
| 1935 Residence (County) | Harrison |
| Class of Worker | 36 |
| Highest Grade | 7 |
| 1935 Residence | Same house |
| 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 Thompson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Marion Thompson
Son · 1940 · age 15 · b. ~1925 · Ohio
★ You are viewing this record
Sibling
Chester Thompson
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Vivian Thompson
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Glen Thompson
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Cloyd Thompson
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carl Thompson
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Thompson
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Melvin Thompson
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lois Thompson
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 — Harrison-County, Ohio
Open full size
1940 US Federal Census — Harrison-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03083-00280)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Edward Kelley | 8 | Son | — | Ohio |
| 42 | Gladys Kelley | 5 | Daughter | — | Ohio |
| 43 | Larry Kelley | 3 | Son | — | Ohio |
| 44 | Joyce Kelley | 2 | Daughter | — | Ohio |
| 45 | Frank Vanspruling | 48 | Head | Miner | Yugoslavia |
| 46 | Julia Vanspruling | 53 | Wife | — | Czechoslovakia |
| 47 | — | None | — | — | — |
| 48 | Carl Thompson | 42 | Head | Truck Driver | Ohio |
| 49 | Edith B. Thompson | 40 | Wife | — | Ohio |
| 50 | Cloyd Thompson | 22 | Son | Mine Worker | Ohio |
| 51 | Melvin Thompson | 20 | Son | Truck Driver | Ohio |
| 52 | Glen Thompson | 19 | Son | Hired Hand | Ohio |
| 53 | Carl Thompson | 18 | Son | Hired Hand | Ohio |
| 54 | Marion Thompson THIS PERSON | 15 | Son | — | Ohio |
| 55 | Chester Thompson | 11 | Son | — | Ohio |
| 56 | Vivian Thompson | 11 | Daughter | — | Ohio |
| 57 | Lois Thompson | 9 | Daughter | — | Ohio |
| 58 | Dorothy Thompson | 4 | Daughter | — | Ohio |
| 59 | Joe Kelley | 55 | Lodger | Miner | W. Virginia |
| 60 | Victor Bennett | 37 | Head | Hired Hand | Ohio |
| 61 | Edith E. Bennett | 29 | Wife | — | Ohio |
| 62 | Charles Bennett | 11 | Son | — | Ohio |
| 63 | Ada Bennett | 9 | Daughter | — | Ohio |
| 64 | Robert Bennett | 7 | Son | — | Ohio |
| 65 | Katherine Bennett | 4 | Daughter | — | Ohio |
| 66 | Victor Bennett | 2 | Son | — | Ohio |
| 67 | Mary Kobus | 60 | Head | — | Austria |
| 68 | George Kobus | 19 | Son | Farmer | Ohio |
| 69 | John Kobus | 23 | Son | Miner | Ohio |
| 70 | Anna Kobus | 22 | Daughter-in-law | — | Ohio |
| 71 | — | None | — | — | — |
| 72 | Earl Mort | 35 | Head | Miner | Ohio |
| 73 | Pearl R. Mort | 28 | Wife | — | Ohio |
| 74 | Douglas Mort | 11 | Son | — | Ohio |
| 75 | Dickie Mort | 9 | Daughter | — | Ohio |
| 76 | Gloria Mort | 6 | Daughter | — | Ohio |
| 77 | Donna Mort | 4 | Daughter | — | Ohio |
| 78 | Roger Mort | 2 | Son | — | Ohio |
| 79 | Patrick Mort | 0 | Son | — | Ohio |
| 80 | Patricia Mort | 0 | 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)