HT
Helen Thompson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Divide-County, North Dakota
Our Model Tree links this Helen Thompson across the 1920, 1930 and 1940 US Censuses in Divide-County, North Dakota (XGBoost, ~Confirmed), with identified parents Nelson & Nels — first a daughter (b.~1918), then head of a 5-person household.
Age 22
b. ~1918
Female
Daughter
Born: North Dakota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Divide-County, North Dakota |
| Surname | Thompson |
| Given Name | Helen M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | North Dakota |
| 1935 Residence (City) | Fillmore Township |
| 1935 Residence (County) | Divide |
| Additional Details | |
| Occupation | House Work |
| Industry | Home Work |
| Class of Worker | NP |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same Place |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
| Occupation | House Work |
| Township / Ward | Fillmore Township |
| Est. Birth Year | ~1918 |
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 Helen | Age | Birth yr |
|---|---|---|---|---|
| Helen Thompson | Daughter | — | 22 | ~1918 |
| Nels Thompson | Head | — | 54 | ~1886 |
| Leonard Thompson | Son | — | 17 | ~1923 |
| Nels Thompson | Son | — | 20 | ~1920 |
| Sarah Thompson | Spouse | — | 45 | ~1895 |
Census Appearances
1920
Divide, North …
Daughter, age 1
Divide, North Dakota · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Helen M. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | North Dakota |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
1930
Divide, North …
Daughter, age 12
Divide, North Dakota · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | North Dakota |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
1940
Divide-County, North …
Daughter, age 22
Divide-County, North Dakota · implied b. ~1918 — 5 household members
| Surname | Thompson |
| Given Name | Helen M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | North Dakota |
| 1935 Residence (City) | Fillmore Township |
| 1935 Residence (County) | Divide |
| Occupation | House Work |
| Industry | Home Work |
| Class of Worker | NP |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 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 Helen Thompson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Nelson Thompson (~0.92 confidence) and father Nels Thompson (~0.92 confidence) and father Nelson Thompson (~0.92 confidence) and mother Sarah Thompson (~0.92 confidence) and mother Sarah Thompson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Nelson Thompson
b. ~1885
Source father
● Household
· direct · ~0.92
Father
Nels Thompson
b. ~1886
Source father
● Household
· direct · ~0.92
Father
Nelson Thompson
b. ~1890
Source father
● Household
· direct · ~0.92
Mother
Sarah Thompson
b. ~1895
Source mother
● Household
· direct · ~0.92
Mother
Sarah Thompson
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Helen Thompson
Daughter · 1940 · age 22 · b. ~1918 · North Dakota
★ You are viewing this record
Sibling
Leonard Thompson
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nels Thompson
Sibling · 1940 · age 20
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 — Divide-County, North Dakota
Open full size
1940 US Federal Census — Divide-County, North Dakota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02999-00482)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Erik Lokken | 65 | Lodger | Laborer | Norway |
| 42 | Nels O Thompson | 54 | Head | Farmer | Iowa |
| 43 | Sarah E Thompson | 45 | Wife | Cooking | Iowa |
| 44 | Helen M Thompson THIS PERSON | 22 | Daughter | House Work | North Dakota |
| 45 | Nels M Thompson | 20 | Son | Laborer | North Dakota |
| 46 | Leonard Edward Thompson | 17 | Son | Laborer | North Dakota |
| 47 | Olaf O Gjovig | 56 | Head | Farmer | Minnesota |
| 48 | Bertha Gjovig | 45 | Wife | — | Iowa |
| 49 | Vivian Gjovig | 21 | Daughter | Typist | North Dakota |
| 50 | Ervin Gjovig | 20 | Son | Laborer | North Dakota |
| 51 | Gordon Gjovig | 18 | Son | Laborer | North Dakota |
| 52 | Agnetta Gjovig | 14 | Daughter | — | North Dakota |
| 53 | Lydia Gjovig | 9 | Daughter | — | North Dakota |
| 54 | Martin Maydel | 63 | Head | Laborer | Norway |
| 55 | Elmer Thompson | 53 | Head | Farmer | Iowa |
| 56 | L O Wall | 61 | Head | Farmer | Germany |
| 57 | Anna R Wall | 64 | Wife | — | Germany |
| 58 | Paul J Gilbertson | 32 | Head | Farmer | Minnesota |
| 59 | Caroline E Gilbertson | 23 | Wife | — | North Dakota |
| 60 | Glenn C Gilbertson | 3 | Son | — | North Dakota |
| 61 | Lowell Knudson | 26 | Head | Farmer | North Dakota |
| 62 | Arla E Knudson | 22 | Wife | — | North Dakota |
| 63 | Doreen A Knudson | 2 | Daughter | — | North Dakota |
| 64 | T S Stuart | 61 | Head | Farmer | Iowa |
| 65 | Lyda Stuart | 45 | Wife | — | Minnesota |
| 66 | Thaddeus James Stuart | 15 | Son | — | North Dakota |
| 67 | Grenville S Stuart | 13 | Son | — | North Dakota |
| 68 | Taylor S Stuart | 10 | Son | — | North Dakota |
| 69 | Cynthia Stuart | 3 | Daughter | — | North Dakota |
| 70 | Robert B Stuart | 1 | Son | — | North Dakota |
| 71 | Levi O Sandstrom | 47 | Head | Farmer | South Dakota |
| 72 | Ida Sandstrom | 36 | Wife | — | Minnesota |
| 73 | Palmer Allen Sandstrom | 1 | Son | — | North Dakota |
| 74 | Svein Knutson | 33 | Lodger | Truck Driver | North Dakota |
| 75 | Reinhold R Schutz | 55 | Head | Farmer | Germany |
| 76 | Minnie Schutz | 57 | Wife | — | Minnesota |
| 77 | George O Schutz | 19 | Son | Laborer | North Dakota |
| 78 | Elba Mae Schutz | 17 | Daughter | — | North Dakota |
| 79 | Salmer B Knudson | 55 | Head | Farmer | Minnesota |
| 80 | Lula Knudson | 54 | Wife | — | Minnesota |
Pedigree Summary
Helen + 2 siblings
Gen 1 · 5 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)