RH
Robert Henderson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Dakota-County, Minnesota
Our Model Tree links this Robert Henderson across the 1920, 1930 and 1940 US Censuses in Dakota-County, Minnesota (XGBoost, ~Confirmed), with identified parents Peter & Peter — first a son (b.~1918), then head of a 5-person household.
Age 22
b. ~1918
Male
Son
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Dakota-County, Minnesota |
| Surname | Henderson |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Castle Rock |
| 1935 Residence (County) | Dakota |
| Additional Details | |
| Occupation | Farm Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 70 |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Farm Laborer |
| Township / Ward | Castle Rock |
| Est. Birth Year | ~1918 |
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 |
|---|---|---|---|---|
| Peter Henderson | Head | — | 63 | ~1877 |
| Richard Henderson | Son | — | 19 | ~1921 |
| Peter Henderson | Son | — | 15 | ~1925 |
| Robert Henderson | Son | — | 22 | ~1918 |
| Gertrude Henderson | Spouse | — | 57 | ~1883 |
Census Appearances
1920
Dakota, Minnesota
Son, age 1
Dakota, Minnesota · implied b. ~1919 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Henderson |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Dakota, Minnesota
Son, age 12
Dakota, Minnesota · implied b. ~1918 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hinderson |
| Given Name | Robert J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Dakota-County, Minnesota
Son, age 22
Dakota-County, Minnesota · implied b. ~1918 — 5 household members
| Surname | Henderson |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Castle Rock |
| 1935 Residence (County) | Dakota |
| Occupation | Farm Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 70 |
| Income (1939) | 0 |
| Highest Grade | 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 Henderson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Peter Hinderson (~0.92 confidence) and father Peter Henderson (~0.92 confidence) and mother Gertrude Henderson (~0.92 confidence) and mother Gertrude Henderson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Peter Hinderson
b. ~1877
Source father
● Household
· direct · ~0.92
Father
Peter Henderson
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Gertrude Henderson
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Gertrude Henderson
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Henderson
Son · 1940 · age 22 · b. ~1918 · Minnesota
★ You are viewing this record
Sibling
Richard Henderson
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Peter Henderson
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
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-t0627-01917-00026)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | G. Morris | 22 | Son | Farmer | California |
| 42 | Mildred Morris | 19 | Daughter-in-law | No | Minnesota |
| 43 | Marilyn Morris | 0 | Grand daughter | — | Minnesota |
| 44 | Son Edgar | None | M | Milk Plant | — |
| 45 | Daughter-In-Law Cedilia | None | F | No | — |
| 46 | Grand Son Gale | None | M | — | — |
| 47 | Grand Son Dallas | None | M | — | — |
| 48 | Julius M. Laches | 31 | Head | Farmer | Minnesota |
| 49 | Hazel B. Laches | 28 | Wife | No | Minnesota |
| 50 | Charles J. Laches | 0 | Son | — | Minnesota |
| 51 | Henry Lundgren | 55 | Head | Farmer | Minnesota |
| 52 | Esther M. Lundgren | 56 | Wife | No | Minnesota |
| 53 | Roger S. Lundgren | 19 | Son | Auto Mechanic | Minnesota |
| 54 | Clifford Jergenson | 32 | Head | Farmer | Denmark |
| 55 | Carl M. Liddahl | 66 | Head | Farmer | Sweden |
| 56 | Hannah Liddahl | 65 | Wife | No | Sweden |
| 57 | Harold T. Liddahl | 30 | Son | Farm Laborer | Minnesota |
| 58 | Peter N. Henderson | 63 | Head | Farmer | Minnesota |
| 59 | Gertrude E. Henderson | 57 | Wife | No | Minnesota |
| 60 | Robert Henderson THIS PERSON | 22 | Son | Farm Laborer | Minnesota |
| 61 | Richard Henderson | 19 | Son | Farm Laborer | Minnesota |
| 62 | Peter Jr. Henderson | 15 | Son | No | Minnesota |
| 63 | Frank W. Finnegan | 64 | Head | Farmer | Iowa |
| 64 | Nellie V. Finnegan | 51 | Wife | No | Pennsylvania |
| 65 | Thomas E. Finnegan | 23 | Son | Farmer | Minnesota |
| 66 | Francis P. Finnegan | 20 | Son | Clerk | Minnesota |
| 67 | Ann B. Finnegan | 17 | Daughter | No | Minnesota |
| 68 | Robert Finnegan | 15 | Son | No | Minnesota |
| 69 | Margaret Finnegan | 12 | Daughter | — | Minnesota |
| 70 | Harvey Hawkins | 37 | Hired Hand | Farm Laborer | Missouri |
| 71 | Charles E. Dofey | 72 | Head | Farmer | Minnesota |
| 72 | Ella V. Dofey | 64 | Wife | No | New Hampshire |
| 73 | Dorothy Dofey | 16 | Grand daughter | No | Minnesota |
| 74 | Deloris Dofey | 14 | Grand daughter | No | Minnesota |
| 75 | John Andrews | 83 | Head | No | Portugal |
| 76 | Louise Andrews | 65 | Wife | No | Denmark |
| 77 | Peter J. Oster | 74 | Head | Farmer | Wisconsin |
| 78 | Hannah E. Oster | 69 | Wife | No | Minnesota |
| 79 | William Oster | 56 | Brother | Farm Laborer | Minnesota |
| 80 | Rudolph Post | 38 | Head | Farmer | Minnesota |
Pedigree Summary
Robert + 2 siblings
Gen 1 · 4 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)