RS
Robert Simpson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Dakota-County, Minnesota
Our Model Tree links this Robert Simpson across the 1920, 1930 and 1940 US Censuses in Dakota-County, Minnesota (XGBoost, ~Confirmed), with identified parents Alvey — first a head (b.~1885), then head of a 5-person household.
Age 55
b. ~1885
Male
Head
Born: Minnesota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Dakota-County, Minnesota |
| Surname | Simpson |
| Given Name | Robert J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | Greenvale T. |
| 1935 Residence (County) | Dakota |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 45 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Farmer |
| Township / Ward | Greenvale T |
| Est. Birth Year | ~1885 |
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 Robert | Age | Birth yr |
|---|---|---|---|---|
| Mary Harkness | Daughter | — | 12 | ~1928 |
| Roberta Harkness | Daughter | — | 11 | ~1929 |
| Robert Simpson | Head | — | 55 | ~1885 |
| Frank Harkness | Other | — | 51 | ~1889 |
| Sarah Harkness | Spouse | — | 46 | ~1894 |
Census Appearances
1920
Dakota, Minnesota
Son, age 34
Dakota, Minnesota · implied b. ~1886 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simpson |
| Given Name | Robert J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Wisconsin |
| Occupation | Farm laborer |
| Industry | Home farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Dakota, Minnesota
Other, age 44
Dakota, Minnesota · implied b. ~1886 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simpson |
| Given Name | Robert J. |
| Relationship to Head | Brother |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Wisconsin |
| Occupation | Farmer |
| Industry | General farm |
| Class of Worker | O |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Dakota-County, Minnesota
Head, age 55
Dakota-County, Minnesota · implied b. ~1885 — 5 household members
| Surname | Simpson |
| Given Name | Robert J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | Greenvale T. |
| 1935 Residence (County) | Dakota |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 45 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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 Simpson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Alvey Simpson (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Alvey Simpson
b. ~1861
Source father
● Household
· direct · ~0.92
This person
Anchor record
Robert Simpson
Head · 1940 · age 55 · b. ~1885 · Minnesota
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Dakota-County, Minnesota
Open full size
1940 US Federal Census — Dakota-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01917-00182)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary M. Ingham | 66 | Wife | — | Minnesota |
| 2 | George Heberlee | 73 | Head | Herdsman | Canada |
| 3 | Nellie Heberlee | 71 | Wife | — | Canada |
| 4 | Robert J. Simpson THIS PERSON | 55 | Head | Farmer | Minnesota |
| 5 | Frank Harkness | 51 | Brother | Farmer | Minnesota |
| 6 | Sarah E. Harkness | 46 | Wife | — | Minnesota |
| 7 | Mary B. Harkness | 12 | Daughter | — | Minnesota |
| 8 | Roberta F. Harkness | 11 | Daughter | — | Minnesota |
| 9 | Perry L. Simpson | 53 | Head | Farmer | Minnesota |
| 10 | Robert M. Simpson | 46 | Wife | — | Iowa |
| 11 | Everett L. Simpson | 18 | Son | Farmwork | Minnesota |
| 12 | Shirley J. Simpson | 11 | Daughter | — | Minnesota |
| 13 | John E. Dillemuth | 41 | Head | Farmer | Minnesota |
| 14 | Elvina A. Dillemuth | 37 | Wife | — | Minnesota |
| 15 | Frances P. Dillemuth | 14 | Daughter | At School | Minnesota |
| 16 | Donald E. Dillemuth | 13 | Son | — | Minnesota |
| 17 | Kenneth J. Dillemuth | 9 | Son | — | Minnesota |
| 18 | Richard A. Dillemuth | 7 | Son | — | Minnesota |
| 19 | Donna M. Dillemuth | 6 | Daughter | — | Minnesota |
| 20 | John C. Dillemuth | 4 | Son | — | Minnesota |
| 21 | George L. Simpson | 79 | Head | — | Minnesota |
| 22 | Esther E. Simpson | 43 | Wife | — | Iowa |
| 23 | Lorain Huellet | 20 | Servant | Maid | Minnesota |
| 24 | John M. Shankey | 52 | Head | Farmer | Minnesota |
| 25 | Exilda M. Shankey | 45 | Wife | — | Minnesota |
| 26 | Martha M. Shankey | 20 | Daughter | Helper | Minnesota |
| 27 | Leonard J. Shankey | 18 | Son | Farmwork | Minnesota |
| 28 | Edna M. Shankey | 15 | Daughter | At School | Minnesota |
| 29 | Warren E. Shankey | 11 | Son | — | Minnesota |
| 30 | Lorain E. Shankey | 9 | Daughter | — | Minnesota |
| 31 | Chester J. Shankey | 7 | Son | — | Minnesota |
| 32 | Maurice J. Shankey | 5 | Son | — | Minnesota |
| 33 | Andrew A. Olson | 62 | Head | Farmwork | Minnesota |
| 34 | Lydia Olson | 44 | Wife | — | Minnesota |
| 35 | Joseph J. Winter | 26 | Head | Farmer | Minnesota |
| 36 | Ellen J. Winter | 23 | Wife | — | Minnesota |
| 37 | Rose M. Winter | 5 | Daughter | — | Minnesota |
| 38 | Patricia Winter | 2 | Daughter | — | Minnesota |
| 39 | Carl H. Johnson | 53 | Head | Farmer | Minnesota |
| 40 | Marie Johnson | 44 | Wife | — | Minnesota |
Pedigree Summary
Robert
Gen 1 · 1 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)