RC
Robert Carlson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Sibley-County, Minnesota
Our Model Tree links this Robert Carlson across the 1920, 1930 and 1940 US Censuses in Sibley-County, Minnesota (XGBoost, ~Confirmed), with identified parents Andrew & Andrew — first a son (b.~1902), then head of a 6-person household.
Age 38
b. ~1902
Male
Son
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Sibley-County, Minnesota |
| Surname | Carlson |
| Given Name | Robert V |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Severance Township |
| 1935 Residence (County) | Sibley |
| Additional Details | |
| Occupation | Painter |
| Industry | Painting |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 340 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Painter |
| Township / Ward | Severance Township |
| Est. Birth Year | ~1902 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Edwin Carlson | Son | — | 28 | ~1912 |
| Andrew Carlson | Head | — | 77 | ~1863 |
| Carl Carlson | Son | — | 35 | ~1905 |
| David Carlson | Son | — | 36 | ~1904 |
| Selma Carlson | Spouse | — | 61 | ~1879 |
| Robert Carlson | Son | — | 38 | ~1902 |
Census Appearances
1920
Sibley, Minnesota
Son, age 18
Sibley, Minnesota · implied b. ~1902 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Robert A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Laborer |
| Industry | Home Farm |
| Class of Worker | W |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Sibley, Minnesota
Son, age 29
Sibley, Minnesota · implied b. ~1901 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Robert D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Sibley-County, Minnesota
Son, age 38
Sibley-County, Minnesota · implied b. ~1902 — 6 household members
| Surname | Carlson |
| Given Name | Robert V |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Severance Township |
| 1935 Residence (County) | Sibley |
| Occupation | Painter |
| Industry | Painting |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 340 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| 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 Carlson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Andrew Carlson (~0.92 confidence) and father Andrew Carlson (~0.92 confidence) and father Andrew Carlson (~0.92 confidence) and mother Selma Carlson (~0.92 confidence) and mother Selma Carlson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Andrew Carlson
b. ~1863
Source father
● Household
· direct · ~0.92
Father
Andrew Carlson
b. ~1865
Source father
● Household
· direct · ~0.92
Father
Andrew Carlson
b. ~1868
Source father
● Household
· direct · ~0.92
Mother
Selma Carlson
b. ~1872
Source mother
● Household
· direct · ~0.92
Mother
Selma Carlson
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Carlson
Son · 1940 · age 38 · b. ~1902 · Minnesota
★ You are viewing this record
Sibling
David Carlson
Sibling · 1940 · age 36
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carl Carlson
Sibling · 1940 · age 35
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edwin Carlson
Sibling · 1940 · age 28
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 — Sibley-County, Minnesota
Open full size
1940 US Federal Census — Sibley-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01959-00403)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Marilyn Tostenson | 7 | Daughter | — | Minnesota |
| 2 | John Lagerstedt | 64 | Head | Farmer | Sweden |
| 3 | Raymond Lagerstedt | 32 | Son | Farmer | Minnesota |
| 4 | Ira Gettis | 31 | Head | Farmer | Minnesota |
| 5 | Margaret Gettis | 28 | Wife | — | Minnesota |
| 6 | Andrew Gettis | 23 | Brother | Farmer | Minnesota |
| 7 | Wallace Gettis | 29 | Brother | Farmer | Minnesota |
| 8 | Harold Nordlund | 36 | Head | Farmer | Minnesota |
| 9 | Phoebe Nordlund | 30 | Wife | — | Minnesota |
| 10 | Ione Nordlund | 1 | Daughter | — | Minnesota |
| 11 | Clarence Nordlund | 38 | Brother | Hired Man | Minnesota |
| 12 | John F Molden | 27 | Head | Farmer | Minnesota |
| 13 | Loretta Molden | 26 | Wife | Teacher | Minnesota |
| 14 | Andrew P Carlson | 77 | Head | Farmer | Sweden |
| 15 | Selma Carlson | 61 | Wife | — | Sweden |
| 16 | Carl A Carlson | 35 | Son | — | Minnesota |
| 17 | Robert V Carlson THIS PERSON | 38 | Son | Painter | Minnesota |
| 18 | David C Carlson | 36 | Son | — | Minnesota |
| 19 | Edwin H Carlson | 28 | Son | — | Minnesota |
| 20 | Holley S Allerson | 47 | Head | Farmer | Minnesota |
| 21 | Othillie Allerson | 48 | Wife | — | Minnesota |
| 22 | Arlin Allerson | 14 | Son | — | Minnesota |
| 23 | Warren Allerson | 12 | Son | — | Minnesota |
| 24 | Robert Allerson | 11 | Son | — | Minnesota |
| 25 | Roger Allerson | 7 | Son | — | Minnesota |
| 26 | John H. Carlson | 61 | Head | Retired Farmer | Minnesota |
| 27 | Burt Carlson | 17 | Son | Hired Man | Minnesota |
| 28 | Albert Borgman | 49 | Head | Farmer | Minnesota |
| 29 | Arthur Borgman | 42 | Son | Farmer | Minnesota |
| 30 | Alice Borgman | 44 | Daughter | — | Minnesota |
| 31 | Lowell Borgman | 7 | Son | — | Minnesota |
| 32 | Arden Borgman | 3 | Son | — | Minnesota |
| 33 | John Paulson | 22 | Head | Farmer | Minnesota |
| 34 | Cecelia Paulson | 31 | Wife | — | Minnesota |
| 35 | Annette Paulson | 1 | Daughter | — | Minnesota |
| 36 | Philip Carlson | 38 | Head | Farmer | Minnesota |
| 37 | Viola Carlson | 31 | Wife | — | Minnesota |
| 38 | Glen Carlson | 5 | Son | — | Minnesota |
| 39 | Gloria Carlson | 2 | Daughter | — | Minnesota |
| 40 | Arthur Lietzman | 27 | Head | Farmer | Minnesota |
Pedigree Summary
Robert + 3 siblings
Gen 1 · 5 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)