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Robert Grant — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Delta-County, Colorado
Our Model Tree links this Robert Grant across the 1930 and 1940 US Censuses in Delta-County, Colorado (XGBoost, ~Confirmed) — first a head (b.~1894), then head of a 11-person household.
Age 46
b. ~1894
Male
Head
Born: Oklahoma
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Delta-County, Colorado |
| Surname | Grant |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Oklahoma |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Delta |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 50 |
| Highest Grade | No 5 |
| 1935 Residence | Colorado |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
| Occupation | Farmer |
| Township / Ward | Precinct 8 Red Rock Valley Township 15 |
| 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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Louise Grant | Daughter | — | 15 | ~1925 |
| Daryl Grant | Son | — | 11 | ~1929 |
| Marvin Grant | Son | — | 8 | ~1932 |
| Robert Grant | Head | — | 46 | ~1894 |
| Grace Grant | Spouse | — | 37 | ~1903 |
| La Grant | Daughter | — | 17 | ~1923 |
| Lorene Grant | Daughter | — | 2 | ~1938 |
| Ilene Grant | Daughter | — | 13 | ~1927 |
| Donald Grant | Son | — | 4 | ~1936 |
| Elva Grant | Daughter | — | ~1940 | |
| Carol Grant | Daughter | — | 6 | ~1934 |
Census Appearances
1930
Delta, Colorado
Head, age 36
Delta, Colorado · implied b. ~1894 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Grant |
| Given Name | Robert W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Oklahoma |
| Age at First Marriage | 26 |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Iowa |
| Occupation | Laborer |
| Industry | General Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
1940
Delta-County, Colorado
Head, age 46
Delta-County, Colorado · implied b. ~1894 — 11 household members
| Surname | Grant |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Oklahoma |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Delta |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 50 |
| Highest Grade | No 5 |
| 1935 Residence | Colorado |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
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 · Colorado
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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 — Delta-County, Colorado
Open full size
1940 US Federal Census — Delta-County, Colorado
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00459-00822)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Gilbert Dape | 19 | Son | Farmer | Colorado |
| 2 | John Adams | 78 | Head | Farmer | Illinois |
| 3 | Orville Dale | 31 | Head | Farmer | Missouri |
| 4 | Ruth Rue | 27 | Wife | — | Virginia |
| 5 | Bobby Rue | 8 | Son | — | Colorado |
| 6 | Willard Rue | 3 | Son | — | Colorado |
| 7 | Robert Grant THIS PERSON | 46 | Head | Farmer | Oklahoma |
| 8 | Grace Grant | 37 | Wife | — | Kansas |
| 9 | La Vada Grant | 17 | Daughter | N.Y.A. School Work | Oklahoma |
| 10 | Louise Grant | 15 | Daughter | — | Texas |
| 11 | Ilene Grant | 13 | Daughter | — | Oklahoma |
| 12 | Daryl Grant | 11 | Son | — | Colorado |
| 13 | Marvin Grant | 8 | Son | — | Colorado |
| 14 | Carol Grant | 6 | Daughter | — | Colorado |
| 15 | Donald J. Grant | 4 | Son | — | Colorado |
| 16 | Lorene Grant | 2 | Daughter | — | Colorado |
| 17 | Elva Grant | 0 | Daughter | — | Colorado |
| 18 | Marlin L. Hubbs | 44 | Head | Ditch Rider | Kentucky |
| 19 | Helen L. Hubbs | 17 | Daughter | — | Colorado |
| 20 | Marlin L. Jr. Hubbs | 14 | Son | — | Colorado |
| 21 | Bonnie M. Hubbs | 13 | Daughter | — | Colorado |
| 22 | James Merlin Hubbs | 6 | Son | — | Colorado |
| 23 | Jacinto J. Gallegos | 57 | Head | Farmer | Kansas |
| 24 | Walter E. Gallegos | 25 | Son | Farmer | Colorado |
| 25 | Charles G. Gallegos | 24 | Son | Farmer | Colorado |
| 26 | Dorothy Alexander | 29 | Daughter | — | Colorado |
| 27 | John D. Alexander | 29 | Son-in-law | Farmer | Oklahoma |
| 28 | Aurelio Gallegos | 49 | Head | Sheep-Herder | Colorado |
| 29 | Rosita Gallegos | 45 | Wife | — | Colorado |
| 30 | Elma V. Barton | 58 | Head | Farm-Manager | Wisconsin |
| 31 | Mart E. Wilson | 50 | Head | Laborer | Michigan |
| 32 | Manuel Weeks | 28 | Head | Farmer | Oklahoma |
| 33 | Anna Weeks | 26 | Wife | — | Colorado |
| 34 | Donald Weeks | 6 | Son | — | Colorado |
| 35 | Bobby Weeks | 4 | Son | — | Colorado |
| 36 | Frank Weeks | 2 | Son | — | Colorado |
| 37 | Andrew Teil | 46 | Head | Farmer | Argentina |
| 38 | Elizabeth Teil | 41 | Wife | — | Colorado |
| 39 | Duane G. Teil | 14 | Son | — | Colorado |
| 40 | Arlin Teil | 12 | Son | — | Colorado |
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)