ET
Elmer Thompson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Nicollet-County, Minnesota
Our Model Tree links this Elmer Thompson across the 1920, 1930 and 1940 US Censuses in Nicollet-County, Minnesota (XGBoost, ~Confirmed), with identified parents Horace & Mary — first a head (b.~1901), then head of a 6-person household.
Age 39
b. ~1901
Male
Head
Born: Minnesota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Nicollet-County, Minnesota |
| Surname | Thompson |
| Given Name | Elmer |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | Granby |
| 1935 Residence (County) | Nicollet |
| Additional Details | |
| Occupation | farmer |
| Industry | farm |
| Class of Worker | OA |
| Hours Worked | 70 |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Farmer |
| Township / Ward | Granby |
| Est. Birth Year | ~1901 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Elmer | Age | Birth yr |
|---|---|---|---|---|
| Darlene Thompson | Daughter | — | 12 | ~1928 |
| Sophia Thompson | Spouse | — | 37 | ~1903 |
| Elmer Thompson | Head | — | 39 | ~1901 |
| Russell Thompson | Son | — | 10 | ~1930 |
| Harley Thompson | Son | — | 15 | ~1925 |
| Donald Thompson | Son | — | 5 | ~1935 |
Census Appearances
1920
Nicollet, Minnesota
Son, age 19
Nicollet, Minnesota · implied b. ~1901 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Elmer |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Occupation | Farm laborer |
| Industry | Home farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Nicollet, Minnesota
Head, age 29
Nicollet, Minnesota · implied b. ~1901 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Elmer |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Minnesota |
| Age at First Marriage | 20 |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Occupation | Farmer |
| Industry | Gen farming |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Nicollet-County, Minnesota
Head, age 39
Nicollet-County, Minnesota · implied b. ~1901 — 6 household members
| Surname | Thompson |
| Given Name | Elmer |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | Granby |
| 1935 Residence (County) | Nicollet |
| Occupation | farmer |
| Industry | farm |
| Class of Worker | OA |
| Hours Worked | 70 |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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 Elmer Thompson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Horace Thompson (~0.92 confidence) and mother Mary Thompson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Horace Thompson
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Mary Thompson
b. ~1875
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Elmer Thompson
Head · 1940 · age 39 · b. ~1901 · Minnesota
★ 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 — Nicollet-County, Minnesota
Open full size
1940 US Federal Census — Nicollet-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01941-00557)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Harley Wills | 14 | son | — | Minnesota |
| 42 | Irvin Hoppe | 41 | Head | Farmer | Minnesota |
| 43 | Minnie Hoppe | 37 | wife | — | Minnesota |
| 44 | Walter Hoppe | 22 | son | Farm Laborer | Minnesota |
| 45 | Charles M. Monet | 34 | Head | Farmer | Minnesota |
| 46 | Genevieve Monet | 28 | wife | — | Minnesota |
| 47 | Roger C. Monet | 3 | son | — | Minnesota |
| 48 | Ellen M. Monet | 1 | daughter | — | Minnesota |
| 49 | Anna Mae Meurer | 20 | boarder | Grade Teacher | Minnesota |
| 50 | Jerome Michels | 27 | hired hand | Farm Laborer | Minnesota |
| 51 | Henry Meyer | 20 | hired hand | Farm Laborer | Minnesota |
| 52 | Mike Becker | 60 | Head | Farmer | Germany |
| 53 | Annie Becker | 47 | wife | — | Minnesota |
| 54 | John Picheri | 49 | Head | Operator | Minnesota |
| 55 | Arthur Fuhning | 26 | Head | Farmer | Minnesota |
| 56 | Mabel Fuhning | 25 | wife | — | Minnesota |
| 57 | Darlene Fuhning | 2 | daughter | — | Minnesota |
| 58 | Donald Fuhning | 1 | son | — | Minnesota |
| 59 | Christ Fuhning | 69 | Head | Farmer | Germany |
| 60 | Bertha Fuhning | 60 | wife | — | Germany |
| 61 | Martin Fuhning | 40 | son | Farm Laborer | Minnesota |
| 62 | Sophie Fuhning | 37 | daughter | Servant | Minnesota |
| 63 | Orville Epple | 21 | hired hand | Farm Laborer | Minnesota |
| 64 | Anna Wending | 44 | Head | Farmer | Minnesota |
| 65 | Clarence Wending | 23 | son | Farm Laborer | Minnesota |
| 66 | Axel Wailand | 35 | hired hand | Farm Laborer | Minnesota |
| 67 | Elmer Thompson THIS PERSON | 39 | Head | Farmer | Minnesota |
| 68 | Sophia Thompson | 37 | wife | — | Minnesota |
| 69 | Harley Thompson | 15 | son | — | Minnesota |
| 70 | Darlene Thompson | 12 | daughter | — | Minnesota |
| 71 | Russell Thompson | 10 | son | — | Minnesota |
| 72 | Donald Thompson | 5 | son | — | Minnesota |
| 73 | Peter Michels | 32 | Head | Farmer | Minnesota |
| 74 | Barbara Michels | 31 | daughter | Servant | Minnesota |
| 75 | Wallace Michels | 13 | nephew | — | Minnesota |
| 76 | Mick Washburn | 23 | hired hand | Farm Laborer | Nebraska |
| 77 | Anton Weber | 58 | Head | Farmer | Germany |
| 78 | Ida Weber | 45 | wife | — | Minnesota |
| 79 | Elaine Weber | 19 | daughter | — | Minnesota |
| 80 | Robert Weber | 17 | son | Farm Laborer | Minnesota |
Pedigree Summary
Elmer
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)