RT
Ralph Thompson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Clinton-County, Ohio
Our Model Tree links this Ralph Thompson across the 1920, 1930 and 1940 US Censuses in Clinton-County, Ohio (XGBoost, ~Confirmed), with identified parents Benjamin & Maggie — first a head (b.~1898), then head of a 3-person household.
Age 42
b. ~1898
Male
Head
Born: Ohio
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Clinton-County, Ohio |
| Surname | Thompson |
| Given Name | Ralph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Vernon Township |
| 1935 Residence (County) | Clinton |
| Additional Details | |
| Occupation | moulder |
| Industry | Casting works |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1500 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same house |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Moulder |
| Township / Ward | Vernon Township |
| Est. Birth Year | ~1898 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ralph | Age | Birth yr |
|---|---|---|---|---|
| Aletha Thompson | Spouse | — | 44 | ~1896 |
| Ralph Thompson | Head | — | 42 | ~1898 |
| Barbara Thompson | Daughter | — | 18 | ~1922 |
Census Appearances
1920
Clinton, Ohio
Son, age 21
Clinton, Ohio · implied b. ~1899 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Ralph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Married |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Laborer |
| Industry | Railroad Sec. |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Clinton, Ohio
Head, age 32
Clinton, Ohio · implied b. ~1898 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Ralph E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Ohio |
| Age at First Marriage | 23 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Molder |
| Industry | Foundry |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 12 |
| Radio Set | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Clinton-County, Ohio
Head, age 42
Clinton-County, Ohio · implied b. ~1898 — 3 household members
| Surname | Thompson |
| Given Name | Ralph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Vernon Township |
| 1935 Residence (County) | Clinton |
| Occupation | moulder |
| Industry | Casting works |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1500 |
| Highest Grade | Hs 2 |
| 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 Ralph Thompson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Benjamin Thompson (~0.92 confidence) and mother Maggie Thompson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Benjamin Thompson
b. ~1869
Source father
● Household
· direct · ~0.92
Mother
Maggie Thompson
b. ~1873
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ralph Thompson
Head · 1940 · age 42 · b. ~1898 · Ohio
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Clinton-County, Ohio
Open full size
1940 US Federal Census — Clinton-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03042-00563)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Clyde Smallwood | 7 | son | — | Kentucky |
| 42 | Joe Smallwood | 3 | son | — | Ohio |
| 43 | H. Alfred Williams | 70 | Head | Farmer | Ohio |
| 44 | Clara Williams | 64 | wife | — | Ohio |
| 45 | Ralph Thompson THIS PERSON | 42 | Head | Moulder | Ohio |
| 46 | Aletha Thompson | 44 | wife | — | Ohio |
| 47 | Barbara Thompson | 18 | daughter | — | Ohio |
| 48 | Arthur Brandenburg | 39 | Head | Barber | Ohio |
| 49 | Harry A. Bundy | 47 | Head | Salesman R. | Pennsylvania |
| 50 | Louise Bundy | 37 | wife | — | Ohio |
| 51 | Harry Eugene Bundy | 10 | son | — | Ohio |
| 52 | Glenn Nelson Bundy | 9 | son | — | Ohio |
| 53 | June Delores Bundy | 5 | daughter | — | Ohio |
| 54 | Edwin H. Schauer | 72 | Head | Farmer | Ohio |
| 55 | Elizabeth Schauer | 71 | wife | — | Ohio |
| 56 | George Striedelmeier | 56 | Head | Farmer | Ohio |
| 57 | Joseph Striedelmeier | 52 | brother | Farmer | Ohio |
| 58 | Robert Schirdin | 55 | Head | Farmer | Ohio |
| 59 | Mary Schirdin | 57 | wife | — | Ohio |
| 60 | Leo Schirdin | 28 | son | Metal Worker | Ohio |
| 61 | Robert Jr. Schirdin | 20 | son | Farm Laborer | Ohio |
| 62 | Rita Helen Schirdin | 13 | daughter | — | Ohio |
| 63 | Richard H. Crosley | 35 | Head | Farming | Ohio |
| 64 | Martha L. Crosley | 29 | wife | — | Ohio |
| 65 | Juanita T. Crosley | 6 | daughter | — | Ohio |
| 66 | George H. Crosley | 1 | son | — | Ohio |
| 67 | Ray Kiger | 37 | Head | Farmer | Ohio |
| 68 | Otta Kiger | 49 | wife | — | Ohio |
| 69 | Jack R. Kiger | 13 | son | — | Ohio |
| 70 | Jean Kiger | 10 | daughter | — | Michigan |
| 71 | Peter J. Eury | 53 | Head | — | Indiana |
| 72 | Mary Eury | 47 | wife | — | Kentucky |
| 73 | Charles D. Eury | 19 | son | Junior Recreation Leader | Ohio |
| 74 | Lenora Eury | 17 | daughter | — | Ohio |
| 75 | George H. Eury | 16 | son | — | Ohio |
| 76 | Amos H. Eury | 11 | son | — | Ohio |
| 77 | Robert Eury | 8 | son | — | Ohio |
| 78 | Edward Osborn | 46 | Head | Laborer | Ohio |
| 79 | Estella Osborn | 45 | wife | — | Ohio |
| 80 | Donald Osborn | 7 | son | — | Ohio |
Pedigree Summary
Ralph
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
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)