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Robert Grant — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mountrail-County, North Dakota
Our Model Tree links this Robert Grant across the 1930 and 1940 US Censuses in Mountrail-County, North Dakota (XGBoost, ~Confirmed) — first a head (b.~1894), then head of a 9-person household.
Age 46
b. ~1894
Male
Head
Born: North Dakota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Mountrail-County, North Dakota |
| Surname | Grant |
| Given Name | Robert M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | North Dakota |
| 1935 Residence (City) | Tagus Village |
| 1935 Residence (County) | Mountrail |
| Additional Details | |
| Occupation | Laborer |
| Industry | Road Construction |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 350 |
| Highest Grade | H-1 |
| 1935 Residence | Same place |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
| Occupation | Laborer |
| Township / Ward | Tagus Village |
| Est. Birth Year | ~1894 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Margaret Grant | Daughter | — | 19 | ~1921 |
| Gertrude Grant | Spouse | — | 45 | ~1895 |
| Gordon Grant | Son | — | 22 | ~1918 |
| Stella Grant | Daughter | — | 11 | ~1929 |
| Howard Grant | Son | — | 17 | ~1923 |
| Dorothy Grant | Daughter | — | 8 | ~1932 |
| Mildred Grant | Daughter | — | 13 | ~1927 |
| Robert Grant | Head | — | 46 | ~1894 |
| Donnamae Grant | Daughter | — | 9 | ~1931 |
Census Appearances
1930
Mountrail, North …
Head, age 36
Mountrail, North Dakota · implied b. ~1894 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Grant |
| Given Name | Robert M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | North Dakota |
| Age at First Marriage | 20 |
| Father's Birthplace | Canada English |
| Mother's Birthplace | Missouri |
| Occupation | Teamster |
| Industry | Dray line |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | $15 |
| Radio Set | R |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
1940
Mountrail-County, North …
Head, age 46
Mountrail-County, North Dakota · implied b. ~1894 — 9 household members
| Surname | Grant |
| Given Name | Robert M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | North Dakota |
| 1935 Residence (City) | Tagus Village |
| 1935 Residence (County) | Mountrail |
| Occupation | Laborer |
| Industry | Road Construction |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 350 |
| Highest Grade | H-1 |
| 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 Robert Grant across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Grant
Head · 1940 · age 46 · b. ~1894 · 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 — Mountrail-County, North Dakota
Open full size
1940 US Federal Census — Mountrail-County, North Dakota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03008-00355)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Robert M. Grant THIS PERSON | 46 | Head | Laborer | North Dakota |
| 2 | Gertrude M. Grant | 45 | Wife | — | Iowa |
| 3 | Gordon L. Grant | 22 | Son | Laborer | North Dakota |
| 4 | Margaret F. Grant | 19 | Daughter | 34 | North Dakota |
| 5 | Howard M. Grant | 17 | Son | — | North Dakota |
| 6 | Mildred E. Grant | 13 | Daughter | — | North Dakota |
| 7 | Stella J. Grant | 11 | Daughter | — | North Dakota |
| 8 | Donnamae Grant | 9 | Daughter | — | North Dakota |
| 9 | Dorothy Grant | 8 | Daughter | — | North Dakota |
| 10 | Buster B. Nobauer | 26 | Head | Laborer | North Dakota |
| 11 | Mable D. Nobauer | 23 | Wife | — | North Dakota |
| 12 | Cecile D. Nobauer | 4 | Daughter | — | North Dakota |
| 13 | Thomas S. Cuddigan | 48 | Head | Assistant | Minnesota |
| 14 | Bessie F. Cuddigan | 44 | Wife | Postmaster | Illinois |
| 15 | Mariellen A. Cuddigan | 22 | Daughter | Teacher | North Dakota |
| 16 | Neva L. Cuddigan | 19 | Daughter | New Worker | North Dakota |
| 17 | Mary T. Halverson | 44 | Head | — | Iowa |
| 18 | Evelyn M. Halverson | 35 | Wife | — | Iowa |
| 19 | Donald A. Halverson | 13 | Son | — | North Dakota |
| 20 | Jackie D. Halverson | 8 | Son | — | North Dakota |
| 21 | Thomas C. Knapp | 41 | Head | Mechanic | North Dakota |
| 22 | Margaret E. Knapp | 39 | Wife | — | Iowa |
| 23 | Lucile A. Knapp | 18 | Daughter | — | North Dakota |
| 24 | Adele F. Knapp | 15 | Daughter | — | North Dakota |
| 25 | Frances C. Knapp | 6 | Daughter | — | North Dakota |
| 26 | E. Mittelhelen | 25 | Lodger | — | North Dakota |
| 27 | Elveida Hermanson | 21 | Lodger | — | North Dakota |
| 28 | David D. Dannewitz | 30 | Lodger | — | North Dakota |
| 29 | Elmer A. Anderson | 39 | Head | Laborer | Minnesota |
| 30 | Emma S. Anderson | 40 | Wife | — | Minnesota |
| 31 | Delwin G. Anderson | 11 | Son | — | North Dakota |
| 32 | Vernon E. Anderson | 6 | Son | — | North Dakota |
| 33 | Curtis O. Anderson | 3 | Son | — | North Dakota |
| 34 | Arwald C. Monson | 42 | Head | Laborer | Norway |
| 35 | Paul H. Hmidt | 26 | Head | Laborer | North Dakota |
| 36 | Vera E. Hmidt | 22 | Wife | — | North Dakota |
| 37 | Terrance D. Hmidt | 1 | Son | — | North Dakota |
| 38 | Simon W. Barry | 74 | Head | — | Illinois |
| 39 | Silas I. Engen | 42 | Head | Trucking | Minnesota |
| 40 | Mable J. Engen | 42 | Wife | — | Minnesota |
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)