DT
Donald Thompson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Ward-County, North Dakota
Our Model Tree links this Donald Thompson across the 1930 and 1940 US Censuses in Ward-County, North Dakota (XGBoost, ~Confirmed) — first a son (b.~1929), then head of a 10-person household.
Age 11
b. ~1929
Male
Son
Born: North Dakota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Ward-County, North Dakota |
| Surname | Thompson |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | North Dakota |
| 1935 Residence (City) | Minot city |
| 1935 Residence (County) | Ward |
| Additional Details | |
| Highest Grade | 5 |
| 1935 Residence | Same place |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
| Township / Ward | Minot City |
| Est. Birth Year | ~1929 |
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 Donald | Age | Birth yr |
|---|---|---|---|---|
| Donald Thompson | Son | — | 11 | ~1929 |
| Frances Thompson | Daughter | — | 15 | ~1925 |
| Ronald Thompson | Son | — | 6 | ~1934 |
| Gerald Thompson | Son | — | 8 | ~1932 |
| Harold Thompson | Son | — | 9 | ~1931 |
| Irene Thompson | Daughter | — | 4 | ~1936 |
| Mildred Thompson | Spouse | — | 33 | ~1907 |
| Harriet Thompson | Daughter | — | 13 | ~1927 |
| Levonne Thompson | Son | — | 17 | ~1923 |
| Percy Thompson | Head | — | 36 | ~1904 |
Census Appearances
1930
Ward, North …
Son, age
Ward, North Dakota · implied b. ~1930 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Donald J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | North Dakota |
| Father's Birthplace | South Dakota |
| Mother's Birthplace | North Dakota |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
1940
Ward-County, North …
Son, age 11
Ward-County, North Dakota · implied b. ~1929 — 10 household members
| Surname | Thompson |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | North Dakota |
| 1935 Residence (City) | Minot city |
| 1935 Residence (County) | Ward |
| Highest Grade | 5 |
| 1935 Residence | Same place |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
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 Donald Thompson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Donald Thompson
Son · 1940 · age 11 · b. ~1929 · North Dakota
★ You are viewing this record
Sibling
Levonne Thompson
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gerald Thompson
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frances Thompson
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irene Thompson
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harriet Thompson
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harold Thompson
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ronald Thompson
Sibling · 1940 · age 6
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 — Ward-County, North Dakota
Open full size
1940 US Federal Census — Ward-County, North Dakota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03017-00816)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Robert Westfahl | 3 | Head | — | North Dakota |
| 42 | Beverly Westfahl | 1 | Daughter | — | North Dakota |
| 43 | Clarice Westfahl | 0 | Daughter | — | North Dakota |
| 44 | Albert Schlimgen | 51 | Head | Laborer | South Dakota |
| 45 | Susan Schlimgen | 46 | Wife | — | South Dakota |
| 46 | John Ab Schlimgen | 22 | Son | Laborer | North Dakota |
| 47 | Irene Schlimgen | 20 | Daughter | Laborer | North Dakota |
| 48 | Herman Ab Schlimgen | 16 | Son | Laborer | North Dakota |
| 49 | Gertrude Schlimgen | 15 | Daughter | — | North Dakota |
| 50 | Leona Schlimgen | 7 | Daughter | — | North Dakota |
| 51 | Clifford Larson | 34 | Head | — | North Dakota |
| 52 | Annie Larson | 29 | Wife | — | Minnesota |
| 53 | Verne Larson | 11 | Son | — | North Dakota |
| 54 | John Peterson | 64 | Head | Laborer | Sweden |
| 55 | Julia Peterson | 52 | Wife | — | Illinois |
| 56 | Percy Thompson | 36 | Head | Jenner | Minnesota |
| 57 | Mildred Thompson | 33 | Wife | — | North Dakota |
| 58 | Levonne Thompson | 17 | Son | — | North Dakota |
| 59 | Frances Thompson | 15 | Daughter | — | North Dakota |
| 60 | Harriet Thompson | 13 | Daughter | — | North Dakota |
| 61 | Donald Thompson THIS PERSON | 11 | Son | — | North Dakota |
| 62 | Harold Thompson | 9 | Son | — | North Dakota |
| 63 | Gerald Thompson | 8 | Son | — | North Dakota |
| 64 | Ronald Thompson | 6 | Son | — | North Dakota |
| 65 | Irene Thompson | 4 | Daughter | — | North Dakota |
| 66 | Ethel Bryant | 28 | Head | Cook | Oklahoma |
| 67 | Henry Phillips | 45 | Head | Porter | Alabama |
| 68 | Marie Harper | 40 | Head | Maid | Missouri |
| 69 | Dora Simonson | 40 | Head | — | Minnesota |
| 70 | Tom Mc Grah | 68 | Head | — | Iowa |
| 71 | Lou Mc Grah | 59 | Wife | Housekeeper | Illinois |
| 72 | Mary Mc Grah | 30 | Daughter | Teacher | North Dakota |
| 73 | Mary Hamilton | 70 | Head | — | Michigan |
| 74 | Carl Mattson | 68 | Head | — | Norway |
| 75 | Carrie Mattson | 63 | Wife | — | Sweden |
| 76 | Robert Simpson | 37 | Head | Plasterer | Oklahoma |
| 77 | Margaret Simpson | 37 | Wife | — | North Dakota |
| 78 | Hedley Marsh | 57 | Head | Proprietor | Mississippi |
| 79 | Deela Marsh | 42 | Wife | Attendant | Tennessee |
| 80 | Dan Marsh | 67 | Brother | — | Mississippi |
Related Census Records
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)