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Alfred Thompson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Redwood-County, Minnesota
Our Model Tree links this Alfred Thompson across the 1930 and 1940 US Censuses in Redwood-County, Minnesota (XGBoost, ~Confirmed) — first a son (b.~1923), then head of a 7-person household.
Age 17
b. ~1923
Male
Son
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Redwood-County, Minnesota |
| Surname | Thompson |
| Given Name | Alfred |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Sundown |
| 1935 Residence (County) | Redwood |
| Additional Details | |
| Occupation | Labour |
| Industry | Agriculture |
| Class of Worker | NP |
| Hours Worked | 50 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Labour |
| Township / Ward | Sundown |
| Est. Birth Year | ~1923 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Alfred | Age | Birth yr |
|---|---|---|---|---|
| Norbert Thompson | Son | — | 18 | ~1922 |
| Peter Thompson | Son | — | 6 | ~1934 |
| Leonard Thompson | Son | — | 15 | ~1925 |
| Alfred Thompson | Son | — | 17 | ~1923 |
| John Thompson | Head | — | 37 | ~1903 |
| Donald Thompson | Son | — | 2 | ~1938 |
| Lena Thompson | Spouse | — | 38 | ~1902 |
Census Appearances
1930
Redwood, Minnesota
Son, age 7
Redwood, Minnesota · implied b. ~1923 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Alfred G. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Redwood-County, Minnesota
Son, age 17
Redwood-County, Minnesota · implied b. ~1923 — 7 household members
| Surname | Thompson |
| Given Name | Alfred |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Sundown |
| 1935 Residence (County) | Redwood |
| Occupation | Labour |
| Industry | Agriculture |
| Class of Worker | NP |
| Hours Worked | 50 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| 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 Alfred Thompson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Alfred Thompson
Son · 1940 · age 17 · b. ~1923 · Minnesota
★ You are viewing this record
Sibling
Leonard Thompson
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Thompson
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Peter Thompson
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Norbert Thompson
Sibling · 1940 · age 18
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 — Redwood-County, Minnesota
Open full size
1940 US Federal Census — Redwood-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01951-00738)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Delores Dandurker | 15 | Daughter | — | Minnesota |
| 42 | William Pelzel | 34 | Head | Painter | Minnesota |
| 43 | Marie Pelzel | 30 | Wife | — | Minnesota |
| 44 | Jeanne Pelzel | 8 | Daughter | — | Minnesota |
| 45 | Joan Pelzel | 8 | Daughter | — | Minnesota |
| 46 | William Pelzel | 7 | Son | — | Minnesota |
| 47 | Mary Pelzel | 5 | Daughter | — | Minnesota |
| 48 | Kathleen Pelzel | 3 | Daughter | — | Minnesota |
| 49 | Carl Gores | 25 | Brother-in-law | Labour | Minnesota |
| 50 | Elmer Jacoby | 37 | Head | Farmer | Minnesota |
| 51 | Ledwina Jacoby | 33 | Wife | — | Minnesota |
| 52 | Donna Marie Jacoby | 9 | Daughter | — | Minnesota |
| 53 | James Jacoby | 8 | Son | — | Minnesota |
| 54 | Richard Jacoby | 4 | Son | — | Minnesota |
| 55 | Cathryn Ann Jacoby | 1 | Daughter | — | Minnesota |
| 56 | Theodore Jacoby | 38 | Head | Farmer | Minnesota |
| 57 | Ella Jacoby | 39 | Wife | — | Minnesota |
| 58 | Arliene Jacoby | 14 | Daughter | — | Minnesota |
| 59 | Lucille Jacoby | 11 | Daughter | — | Minnesota |
| 60 | Lorraine Jacoby | 9 | Daughter | — | Minnesota |
| 61 | Earl Spies | 34 | Head | Farmer | Minnesota |
| 62 | Augusta Spies | 29 | Wife | — | Minnesota |
| 63 | Luella Spies | 11 | Daughter | — | Minnesota |
| 64 | Earnest Spies | 9 | Son | — | Minnesota |
| 65 | Merlin Spies | 6 | Daughter | — | Minnesota |
| 66 | Darlene Spies | 3 | Daughter | — | Minnesota |
| 67 | Sylvia Spies | 1 | Daughter | — | Minnesota |
| 68 | Elmer Spies | 23 | Brother | Labour | Minnesota |
| 69 | Leo Groebner | 25 | Head | Farmer | Minnesota |
| 70 | Eleanor Groebner | 19 | Wife | — | Minnesota |
| 71 | John Thompson | 37 | Head | Farmer | Minnesota |
| 72 | Lena Thompson | 38 | Wife | — | Minnesota |
| 73 | Norbert Thompson | 18 | Son | Labour | Minnesota |
| 74 | Alfred Thompson THIS PERSON | 17 | Son | Labour | Minnesota |
| 75 | Leonard Thompson | 15 | Son | — | Minnesota |
| 76 | Peter Thompson | 6 | Son | — | Minnesota |
| 77 | Donald Thompson | 2 | Son | — | Minnesota |
| 78 | Alfred Nelson | 34 | Head | Farmer | Minnesota |
| 79 | Adeline Nelson | 32 | Wife | — | Minnesota |
| 80 | Joan Marie Nelson | 8 | Daughter | — | Minnesota |
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)