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Robert Oliver — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Gratiot-County, Michigan
Our Model Tree links this Robert Oliver across the 1930 and 1940 US Censuses in Gratiot-County, Michigan (XGBoost, ~Confirmed) — first a head (b.~1891), then head of a 8-person household.
Age 49
b. ~1891
Male
Head
Born: Michigan
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Gratiot-County, Michigan |
| Surname | Oliver |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Gratiot |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farming |
| Class of Worker | OA |
| Hours Worked | 26 |
| Income (1939) | 324 |
| Highest Grade | No 5 |
| 1935 Residence | Michigan |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Farmer |
| Township / Ward | Arcada Twp |
| Est. Birth Year | ~1891 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Vivian Oliver | Daughter | — | 8 | ~1932 |
| Merlyn Oliver | Son | — | 14 | ~1926 |
| Ethel Oliver | Spouse | — | 44 | ~1896 |
| Robert Oliver | Son | — | 4 | ~1936 |
| Robert Oliver | Head | — | 49 | ~1891 |
| Maxine Oliver | Daughter | — | 16 | ~1924 |
| Mary Oliver | Daughter | — | 12 | ~1928 |
| Virgil Oliver | Son | — | 6 | ~1934 |
Census Appearances
1930
Gratiot, Michigan
Head, age 40
Gratiot, Michigan · implied b. ~1890 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Oliver |
| Given Name | Robert W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Michigan |
| Age at First Marriage | 24 |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 12.50 |
| Veteran | No |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Gratiot-County, Michigan
Head, age 49
Gratiot-County, Michigan · implied b. ~1891 — 8 household members
| Surname | Oliver |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Gratiot |
| Occupation | Farmer |
| Industry | Farming |
| Class of Worker | OA |
| Hours Worked | 26 |
| Income (1939) | 324 |
| Highest Grade | No 5 |
| 1935 Residence | Michigan |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 Oliver across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Oliver
Head · 1940 · age 49 · b. ~1891 · Michigan
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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 — Gratiot-County, Michigan
Open full size
1940 US Federal Census — Gratiot-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01754-00221)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Wilbur Carl Grey | 10 | Head | — | Michigan |
| 42 | Epigmenio Arrizola | 52 | Head | — | Mexico |
| 43 | Maria Arrizola | 49 | Wife | — | Mexico |
| 44 | Louis Arrizola | 21 | Son | Laborer | Texas |
| 45 | Frances Arrizola | 19 | Daughter | Laborer | Texas |
| 46 | Caroline Arrizola | 14 | Daughter | — | Texas |
| 47 | Joe Arrizola | 11 | Son | — | Texas |
| 48 | Eva Arrizola | 8 | Daughter | — | Texas |
| 49 | Adam Arrizola | 6 | Son | — | Texas |
| 50 | Hope Arrizola | 5 | Daughter | — | Texas |
| 51 | Florentina Arrizola | 28 | Daughter | — | Texas |
| 52 | Elivata Vargas | 8 | Daughter | — | Texas |
| 53 | Teresa Vargas | 5 | Daughter | — | Texas |
| 54 | Elmer Cole | 57 | Head | Farmer | Michigan |
| 55 | Blanche Cole | 53 | Wife | — | Michigan |
| 56 | A. L. Church | 61 | Head | Farmer | Michigan |
| 57 | Will Coonrod | 62 | Hired man | Laborer | Ohio |
| 58 | Hazel Coonrod | 47 | Wife | — | Michigan |
| 59 | Dale Coonrod | 19 | Son | Laborer | Michigan |
| 60 | Elizabeth Coonrod | 13 | Daughter | — | Michigan |
| 61 | Anna L. Kenyon | 41 | Head | — | Michigan |
| 62 | Adeline Kenyon | 80 | Mother-in-law | — | Michigan |
| 63 | John H. Hinricks | 64 | Head | Farmer | Germany |
| 64 | Sarah Hinricks | 59 | Wife | — | Michigan |
| 65 | Robert Oliver THIS PERSON | 49 | Head | Farmer | Michigan |
| 66 | Ethel Oliver | 44 | Wife | — | Illinois |
| 67 | Maxine Oliver | 16 | Daughter | Hired Girl | Michigan |
| 68 | Merlyn Oliver | 14 | Son | — | Michigan |
| 69 | Mary Jane Oliver | 12 | Daughter | — | Michigan |
| 70 | Vivian Oliver | 8 | Daughter | — | Michigan |
| 71 | Virgil Oliver | 6 | Son | — | Michigan |
| 72 | Robert Oliver | 4 | Son | — | Michigan |
| 73 | John Jones | 38 | Head | Farmer | Michigan |
| 74 | Dale Churchill | 30 | Head | Farmer | Michigan |
| 75 | Opal Churchill | 28 | Wife | — | Michigan |
| 76 | Dale Robert Churchill | 3 | Son | — | Michigan |
| 77 | Lemour Husted | 69 | Head | Farmer | Michigan |
| 78 | Leona H. Husted | 65 | Wife | — | Michigan |
| 79 | Harold Goody | 33 | Head | Laborer | Michigan |
| 80 | Kathryn Goody | 33 | Wife | — | Illinois |
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)