JT
James Thompson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Eau-Claire-County, Wisconsin
Our Model Tree links this James Thompson across the 1920, 1930 and 1940 US Censuses in Eau-Claire-County, Wisconsin (XGBoost, ~Confirmed), with identified parents Frank & Frank — first a son (b.~1908), then head of a 3-person household.
Age 32
b. ~1908
Male
Son
Born: Wisconsin
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Eau-Claire-County, Wisconsin |
| Surname | Thompson |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Washington Town |
| 1935 Residence (County) | Eau Claire |
| Additional Details | |
| Occupation | Trucker |
| Industry | Trucking + Draying |
| Class of Worker | NP |
| Hours Worked | 50 |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Occupation | Trucker |
| Township / Ward | Washington Town |
| Est. Birth Year | ~1908 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| Frank Thompson | Head | — | 55 | ~1885 |
| James Thompson | Son | — | 32 | ~1908 |
| Celia Thompson | Spouse | — | 53 | ~1887 |
Census Appearances
1920
Eau Claire, …
Son, age 13
Eau Claire, Wisconsin · implied b. ~1907 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1930
Eau Claire, …
Son, age 24
Eau Claire, Wisconsin · implied b. ~1906 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Occupation | Truckman |
| Industry | Self |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Eau-Claire-County, Wisconsin
Son, age 32
Eau-Claire-County, Wisconsin · implied b. ~1908 — 3 household members
| Surname | Thompson |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Washington Town |
| 1935 Residence (County) | Eau Claire |
| Occupation | Trucker |
| Industry | Trucking + Draying |
| Class of Worker | NP |
| Hours Worked | 50 |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
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 James Thompson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Frank Thompson (~0.92 confidence) and father Frank Thompson (~0.92 confidence) and mother Celia Thompson (~0.92 confidence) and mother Celia Thompson (~0.92 confidence) and mother Julia Thompson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frank Thompson
b. ~1886
Source father
● Household
· direct · ~0.92
Father
Frank Thompson
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Celia Thompson
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Celia Thompson
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Julia Thompson
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Thompson
Son · 1940 · age 32 · b. ~1908 · Wisconsin
★ 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 — Eau-Claire-County, Wisconsin
Open full size
1940 US Federal Census — Eau-Claire-County, Wisconsin
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04478-00271)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lorraine Larson | 6 | Daughter | — | Wisconsin |
| 42 | William H Wahl | 32 | Head | Salesman | Wisconsin |
| 43 | Katherine Wahl | 26 | Wife | — | Wisconsin |
| 44 | Sandra Wahl | 4 | Daughter | — | Wisconsin |
| 45 | Sibyl Wahl | 4 | Daughter | — | Wisconsin |
| 46 | William Jr Wahl | 1 | Son | — | Wisconsin |
| 47 | Ethel Hannon | 18 | Servant | Servant | Wisconsin |
| 48 | Fred S Jr King | 38 | Head | Horse Trainer | Oklahoma |
| 49 | Anne King | 32 | Wife | — | Missouri |
| 50 | Fred Jr King | 13 | Son | — | Wisconsin |
| 51 | Margaret King | 10 | Daughter | — | Wisconsin |
| 52 | Anna Hess | 68 | Servant | Servant | Norway |
| 53 | Lawrence Kostle | 27 | Hired Hand | Hired Hand | Wisconsin |
| 54 | Frank Rodrigue | 41 | Head | Section Foreman | Minnesota |
| 55 | Sadie Rodrigue | 39 | Wife | — | Wisconsin |
| 56 | Dolores Rodrigue | 13 | Daughter | — | Indiana |
| 57 | Harold Rodrigue | 4 | Son | — | Wisconsin |
| 58 | Margaret Ross | 40 | Head | — | Wisconsin |
| 59 | Gertrude Ross | 30 | Sister | — | Wisconsin |
| 60 | Dora Ross | 45 | Sister | — | Wisconsin |
| 61 | Sidney Keyes | 40 | Head | Tire Builder | Minnesota |
| 62 | Margaret Keyes | 40 | Wife | — | Wisconsin |
| 63 | Margaret Mary Keyes | 17 | Daughter | — | South Dakota |
| 64 | Bernard Keyes | 15 | Son | — | Wisconsin |
| 65 | Kathleen Keyes | 8 | Daughter | — | Wisconsin |
| 66 | Elizabeth Keyes | 5 | Daughter | — | Wisconsin |
| 67 | Walter Davis | 36 | Head | Core Maker | Wisconsin |
| 68 | Della Davis | 30 | Wife | — | North Dakota |
| 69 | Gordon Davis | 6 | Son | — | Wisconsin |
| 70 | Pollyanna Davis | 2 | Daughter | — | Wisconsin |
| 71 | Erskine B Ingram | 73 | Head | Lumber Merchant | Wisconsin |
| 72 | Louise Ingram | 67 | Wife | — | Wisconsin |
| 73 | Nellie King | 62 | Housekeeper | Housekeeper | Wisconsin |
| 74 | Cora Johnson | 34 | Maid | Maid | Wisconsin |
| 75 | Elmer Zimmerman | 24 | Head | Chauffeur | Wisconsin |
| 76 | Hazel Zimmerman | 27 | Wife | — | Wisconsin |
| 77 | Clarence E Frailek | 80 | Lodger | — | New York |
| 78 | Frank Thompson | 55 | Head | Trucker | Wisconsin |
| 79 | Celia Thompson | 53 | Wife | — | Wisconsin |
| 80 | James Thompson THIS PERSON | 32 | Son | Trucker | Wisconsin |
Pedigree Summary
James
Gen 1 · 5 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)