GC
Gertrude Clark — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Bottineau-County, North Dakota
Our Model Tree links this Gertrude Clark across the 1930 and 1940 US Censuses in Bottineau-County, North Dakota (XGBoost, ~Confirmed) — first a spouse (b.~1895), then head of a 7-person household.
Age 45
b. ~1895
Female
Spouse
Born: North Dakota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Bottineau-County, North Dakota |
| Surname | Clark |
| Given Name | Gertrude M. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | North Dakota |
| 1935 Residence (City) | Oak Valley Twp |
| 1935 Residence (County) | Bottineau |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
| Township / Ward | Oak Valley Twp |
| Est. Birth Year | ~1895 |
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 Gertrude | Age | Birth yr |
|---|---|---|---|---|
| David Clark | Son | — | 17 | ~1923 |
| David Clark | Head | — | 64 | ~1876 |
| Frederick Clark | Son | — | 23 | ~1917 |
| Rubin Clark | Son | — | 12 | ~1928 |
| Edna Clark | Daughter | — | 15 | ~1925 |
| Marcella Clark | Daughter | — | 18 | ~1922 |
| Gertrude Clark | Spouse | — | 45 | ~1895 |
Census Appearances
1930
Bottineau, North …
Other, age 35
Bottineau, North Dakota · implied b. ~1895 — 33 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Gertrude M. |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | North Dakota |
| Age at First Marriage | 23 |
| Father's Birthplace | Wales |
| Mother's Birthplace | Canada |
| Can Read/Write | Yes |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
1940
Bottineau-County, North …
Spouse, age 45
Bottineau-County, North Dakota · implied b. ~1895 — 7 household members
| Surname | Clark |
| Given Name | Gertrude M. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | North Dakota |
| 1935 Residence (City) | Oak Valley Twp |
| 1935 Residence (County) | Bottineau |
| Income (1939) | 0 |
| Highest Grade | No 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 Gertrude Clark across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Gertrude Clark
Spouse · 1940 · age 45 · b. ~1895 · North Dakota
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Bottineau-County, North Dakota
Open full size
1940 US Federal Census — Bottineau-County, North Dakota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02994-00275)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Howard H. Knopfle | 16 | Son | — | North Dakota |
| 2 | Lyle L. Knopfle | 12 | Son | — | North Dakota |
| 3 | Evangeline M. Knopfle | 10 | Daughter | — | North Dakota |
| 4 | Dewain L. Knopfle | 9 | Son | — | North Dakota |
| 5 | Jacob Knoeple | 34 | Head | Farmer | North Dakota |
| 6 | Minnie Knoeple | 24 | Wife | — | North Dakota |
| 7 | Grant W. Waters | 48 | Head | Farmer | North Dakota |
| 8 | Louise M. Waters | 41 | Wife | — | Germany |
| 9 | Clayton E. Smith | 15 | Nephew | — | North Dakota |
| 10 | John Smith | 45 | Lodger | Laborer | United States |
| 11 | Ole N. Hovland | 59 | Head | Farmer | Minnesota |
| 12 | Carrie Hovland | 59 | Wife | — | Minnesota |
| 13 | Norbert J. Hovland | 34 | Son | Laborer | North Dakota |
| 14 | Clifford L. Hovland | 30 | Son | Laborer | North Dakota |
| 15 | Elnora G. Hovland | 20 | Daughter | Helper | North Dakota |
| 16 | Lloyd B. Hovland | 19 | Son | — | North Dakota |
| 17 | Russell S. Tate | 21 | Head | Teacher | North Dakota |
| 18 | James B. Waters | 46 | Head | Farmer | Nebraska |
| 19 | Alma S. Waters | 48 | Wife | — | Grand Forks |
| 20 | Melvin J. Waters | 19 | Son | — | North Dakota |
| 21 | Gilla M. Waters | 17 | Daughter | — | North Dakota |
| 22 | Kathryn E. Waters | 9 | Daughter | — | North Dakota |
| 23 | Edith C. Waters | 79 | Head | — | Illinois |
| 24 | Henry J. Wolf | 56 | Head | Farmer | Iowa |
| 25 | Emma E. Wolf | 54 | Wife | — | Iowa |
| 26 | Clarence C. Wolf | 30 | Head | Farmer | Iowa |
| 27 | Selma L. Wolf | 23 | Wife | — | North Dakota |
| 28 | William B. Pugh | 60 | Head | Farmer | England |
| 29 | Jessie S. Pugh | 54 | Wife | — | England |
| 30 | Albert E. Pugh | 19 | Son | — | North Dakota |
| 31 | David A. Clark | 64 | Head | Farmer | Canada |
| 32 | Gertrude M. Clark THIS PERSON | 45 | Wife | — | North Dakota |
| 33 | Frederick N. Clark | 23 | Son | Laborer | North Dakota |
| 34 | Marcella M. Clark | 18 | Daughter | Helper | North Dakota |
| 35 | David J. Clark | 17 | Son | — | North Dakota |
| 36 | Edna E. Clark | 15 | Daughter | — | North Dakota |
| 37 | Rubin Clark | 12 | Son | — | North Dakota |
| 38 | Annie Cambell | 59 | Head | — | Scotland |
| 39 | Margaret Cambell | 22 | Daughter | Helper | North Dakota |
| 40 | Kenneth C. Cambell | 20 | Son | Laborer | North Dakota |
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)