IT
Ida Thompson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Walsh-County, North Dakota
Our Model Tree links this Ida Thompson across the 1920, 1930 and 1940 US Censuses in Walsh-County, North Dakota (XGBoost, ~Confirmed) — first a spouse (b.~1892), then head of a 5-person household.
Age 48
b. ~1892
Female
Spouse
Born: North Dakota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Walsh-County, North Dakota |
| Surname | Thompson |
| Given Name | Ida |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | North Dakota |
| 1935 Residence (City) | Grafton city |
| 1935 Residence (County) | Walsh |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | North Dakota |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
| Township / Ward | Grafton City |
| Est. Birth Year | ~1892 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ida | Age | Birth yr |
|---|---|---|---|---|
| Vivian Thompson | Daughter | — | 15 | ~1925 |
| Marion Thompson | Daughter | — | 19 | ~1921 |
| Sivert Thompson | Head | — | 48 | ~1892 |
| Stanley Thompson | Son | — | 7 | ~1933 |
| Ida Thompson | Spouse | — | 48 | ~1892 |
Census Appearances
1920
Walsh, North …
Spouse, age 27
Walsh, North Dakota · implied b. ~1893 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Ida |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | North Dakota |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
1930
Walsh, North …
Spouse, age 38
Walsh, North Dakota · implied b. ~1892 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Ida |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | North Dakota |
| Age at First Marriage | 23 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Can Read/Write | Yes |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
1940
Walsh-County, North …
Spouse, age 48
Walsh-County, North Dakota · implied b. ~1892 — 5 household members
| Surname | Thompson |
| Given Name | Ida |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | North Dakota |
| 1935 Residence (City) | Grafton city |
| 1935 Residence (County) | Walsh |
| Highest Grade | No 8 |
| 1935 Residence | North Dakota |
| 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 Ida Thompson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ida Thompson
Spouse · 1940 · age 48 · b. ~1892 · North Dakota
★ 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 — Walsh-County, North Dakota
Open full size
1940 US Federal Census — Walsh-County, North Dakota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03016-00617)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Sivert Thompson | 48 | Head | Carpenter | Norway |
| 2 | Ida Thompson THIS PERSON | 48 | Wife | — | North Dakota |
| 3 | Marion Thompson | 19 | Daughter | Saleswoman | North Dakota |
| 4 | Vivian Thompson | 15 | Daughter | — | North Dakota |
| 5 | Stanley Thompson | 7 | Son | — | North Dakota |
| 6 | Alvis Hobson | 30 | Head | Salesman | Iowa |
| 7 | Leona Hobson | 25 | Wife | — | Colorado |
| 8 | John A. Hobson | 2 | Son | — | North Dakota |
| 9 | Robert O. Roudebush | 35 | Head | Stationary Engineer | Illinois |
| 10 | Florence Roudebush | 28 | Wife | — | North Dakota |
| 11 | Beverly Roudebush | 9 | Daughter | — | North Dakota |
| 12 | Andrew Das | 79 | Head | — | Norway |
| 13 | Anna Das | 74 | Wife | — | Norway |
| 14 | Michael Hokvam | 53 | Head | Laborer | North Dakota |
| 15 | Mary Hokvam | 49 | Wife | — | North Dakota |
| 16 | Henry Hokvam | 28 | Son | Salesman | North Dakota |
| 17 | Lillian Hokvam | 26 | Daughter | Egg Candler | North Dakota |
| 18 | Constance Hokvam | 24 | Daughter | Poultry Picker | North Dakota |
| 19 | Clinton Hokvam | 22 | Son | Produce Inspector | North Dakota |
| 20 | Peter Bergguam | 31 | Head | Relief & Truck Driver | North Dakota |
| 21 | Ann D. Bergguam | 32 | Wife | — | North Dakota |
| 22 | Judith Bergguam | 2 | Daughter | — | North Dakota |
| 23 | George Young | 66 | Head | Section Man | Canada-English |
| 24 | Elizabeth Young | 55 | Wife | Cook | North Dakota |
| 25 | Mary Young | 23 | Daughter | — | North Dakota |
| 26 | Dorothy Young | 23 | Daughter | — | North Dakota |
| 27 | Ralph Givens | 50 | Brother-in-law | Printer | North Dakota |
| 28 | Ralph Jackson | 49 | Head | Supervisor | North Dakota |
| 29 | Susie Jackson | 39 | Wife | — | North Dakota |
| 30 | Ralph Jr. Jackson | 18 | Son | Waiter | North Dakota |
| 31 | Bruce Jackson | 16 | Son | Paper Delivery Boy | North Dakota |
| 32 | James Jackson | 14 | Son | — | North Dakota |
| 33 | Amund Sten | 67 | Head | — | Norway |
| 34 | Oline Sten | 62 | Wife | — | Norway |
| 35 | Julia Sten | 28 | Daughter | Seamstress | North Dakota |
| 36 | Olga Sten | 22 | Daughter | Maid | North Dakota |
| 37 | Olga Glenn Sten | 20 | Son | — | North Dakota |
| 38 | Lenora Sten | 16 | Daughter | Maid | North Dakota |
| 39 | Gail Sten | 5 | Daughter | — | North Dakota |
| 40 | Myrtle Nygaard | 31 | Daughter | Maid | North Dakota |
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)