DT
David Thompson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Todd-County, Minnesota
Our Model Tree links this David Thompson across the 1930 and 1940 US Censuses in Todd-County, Minnesota (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 10-person household.
Age 13
b. ~1927
Male
Son
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Todd-County, Minnesota |
| Surname | Thompson |
| Given Name | David B. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Little Sauk Township |
| 1935 Residence (County) | Todd |
| Additional Details | |
| Occupation | S |
| Class of Worker | 6 |
| Income (1939) | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | S |
| Township / Ward | Little Sauk Township |
| Est. Birth Year | ~1927 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to David | Age | Birth yr |
|---|---|---|---|---|
| Ruth Thompson | Daughter | — | 16 | ~1924 |
| Mary Thompson | Daughter | — | 5 | ~1935 |
| George Thompson | Head | — | 49 | ~1891 |
| Henry Thompson | Son | — | 17 | ~1923 |
| Edward Thompson | Son | — | 10 | ~1930 |
| Paul Thompson | Son | — | 1 | ~1939 |
| James Thompson | Son | — | 7 | ~1933 |
| Robert Thompson | Son | — | 12 | ~1928 |
| David Thompson | Son | — | 13 | ~1927 |
| Lillian Thompson | Spouse | — | 40 | ~1900 |
Census Appearances
1930
Todd, Minnesota
Son, age 2
Todd, Minnesota · implied b. ~1928 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Todd-County, Minnesota
Son, age 13
Todd-County, Minnesota · implied b. ~1927 — 10 household members
| Surname | Thompson |
| Given Name | David B. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Little Sauk Township |
| 1935 Residence (County) | Todd |
| Occupation | S |
| Class of Worker | 6 |
| Income (1939) | 0 |
| Highest Grade | No 6 |
| 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 David Thompson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
David Thompson
Son · 1940 · age 13 · b. ~1927 · Minnesota
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Sibling
Edward Thompson
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Henry Thompson
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Thompson
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Thompson
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Thompson
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Thompson
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Thompson
Sibling · 1940 · age 1
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 — Todd-County, Minnesota
Open full size
1940 US Federal Census — Todd-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01964-00418)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Rachel Peterson | 50 | wife | H | Minnesota |
| 42 | Lester R. Peterson | 18 | son | Farm Laborer | Minnesota |
| 43 | Violet L. Peterson | 18 | daughter | S | Minnesota |
| 44 | Maude J. Peterson | 14 | daughter | S | Minnesota |
| 45 | Alvin H. Peterson | 9 | son | S | Minnesota |
| 46 | Elmer B. Leech | 48 | head | Laborer | Minnesota |
| 47 | Margaret Leech | 48 | wife | H | Minnesota |
| 48 | Doris P. Leech | 16 | daughter | S | Minnesota |
| 49 | Jean M. Leech | 14 | daughter | S | Minnesota |
| 50 | Laurel A. Peterson | 31 | head | Farmer | North Dakota |
| 51 | Vivian D. Peterson | 29 | wife | H | Minnesota |
| 52 | Herbert A. Struck | 23 | head | Farmer | Minnesota |
| 53 | Bernadine B. Struck | 22 | wife | H | Minnesota |
| 54 | George H. Thompson | 49 | head | Farmer | Minnesota |
| 55 | Lillian Thompson | 40 | wife | H | Minnesota |
| 56 | Henry G. Thompson | 17 | son | S | Minnesota |
| 57 | Ruth E. Thompson | 16 | daughter | S | Minnesota |
| 58 | David B. Thompson THIS PERSON | 13 | son | S | Minnesota |
| 59 | Robert R. Thompson | 12 | son | S | Minnesota |
| 60 | Edward W. Thompson | 10 | son | S | Minnesota |
| 61 | James W. Thompson | 7 | son | S | Minnesota |
| 62 | Mary A. Thompson | 5 | daughter | — | Minnesota |
| 63 | Paul S. Thompson | 1 | son | — | Minnesota |
| 64 | George E. Trampe | 42 | head | Farmer | Minnesota |
| 65 | Anna M. Trampe | 42 | wife | H | South Dakota |
| 66 | Dean G. Trampe | 11 | son | S | Wyoming |
| 67 | Lois A. Trampe | 9 | daughter | S | South Dakota |
| 68 | Dennis R. Trampe | 7 | son | S | South Dakota |
| 69 | Joy E. Trampe | 5 | daughter | — | South Dakota |
| 70 | David A. Trampe | 2 | son | — | Minnesota |
| 71 | Henry Schmidt | 54 | lodger | — | Nebraska |
| 72 | Frank J. Leech | 57 | head | Farmer | Minnesota |
| 73 | Ina B. Leech | 42 | wife | H | Minnesota |
| 74 | Frank S. Leech | 11 | son | S | Iowa |
| 75 | Frank G. Pemberton | 57 | head | Farmer | Iowa |
| 76 | Ruby M. Pemberton | 50 | wife | H | Iowa |
| 77 | Francis M. Pemberton | 14 | son | S | South Dakota |
| 78 | Charles H. Mckellip | 45 | head | Farmer | Minnesota |
| 79 | William W. Mckellip | 47 | brother | Farmer | Minnesota |
| 80 | Anna M. Sampson | 35 | head | H | Iowa |
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)