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Oscar Carlson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Vermilion-County, Illinois
Our Model Tree links this Oscar Carlson across the 1920, 1930 and 1940 US Censuses in Vermilion-County, Illinois (XGBoost, ~Confirmed), with identified parents Henry & Emma — first a son (b.~1916), then head of a 6-person household.
Age 24
b. ~1916
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Vermilion-County, Illinois |
| Surname | Carlson |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Danville twp |
| 1935 Residence (County) | Vermilion |
| Additional Details | |
| Occupation | farm hand |
| Industry | farm |
| Class of Worker | NP |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | H-4 |
| 1935 Residence | Same House |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Farm Hand |
| Township / Ward | Danville Twp |
| Est. Birth Year | ~1916 |
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 Oscar | Age | Birth yr |
|---|---|---|---|---|
| Paul Carlson | Son | — | 29 | ~1911 |
| Emma Carlson | Spouse | — | 63 | ~1877 |
| August Carlson | Son | — | 26 | ~1914 |
| Oscar Carlson | Son | — | 24 | ~1916 |
| Henry Carlson | Head | — | 64 | ~1876 |
| Christine Paulson | Other | — | 82 | ~1858 |
Census Appearances
1920
Vermilion, Illinois
Son, age 4
Vermilion, Illinois · implied b. ~1916 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Vermilion, Illinois
Son, age 14
Vermilion, Illinois · implied b. ~1916 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Vermilion-County, Illinois
Son, age 24
Vermilion-County, Illinois · implied b. ~1916 — 6 household members
| Surname | Carlson |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Danville twp |
| 1935 Residence (County) | Vermilion |
| Occupation | farm hand |
| Industry | farm |
| Class of Worker | NP |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | H-4 |
| 1935 Residence | Same House |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Oscar Carlson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Henry Carlson (~0.92 confidence) and mother Emma Carlson (~0.92 confidence) and mother Emma Carlson (~0.92 confidence) and mother Emma Carlson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Henry Carlson
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Emma Carlson
b. ~1877
Source mother
● Household
· direct · ~0.92
Mother
Emma Carlson
b. ~1877
Source mother
● Household
· direct · ~0.92
Mother
Emma Carlson
b. ~1877
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Oscar Carlson
Son · 1940 · age 24 · b. ~1916 · Illinois
★ You are viewing this record
Sibling
Paul Carlson
Sibling · 1940 · age 29
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
August Carlson
Sibling · 1940 · age 26
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 — Vermilion-County, Illinois
Open full size
1940 US Federal Census — Vermilion-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00898-00694)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Arthur E. Williamson | 6 | Son | — | Illinois |
| 42 | Glen Williamson | 4 | Son | — | Illinois |
| 43 | David Williamson | 2 | Son | — | Illinois |
| 44 | Arthur O. Toible | 63 | Head | Miner | England |
| 45 | Celia Toible | 55 | Wife | — | Illinois |
| 46 | Arthur W. Cowell | 56 | Head | — | Iowa |
| 47 | Lucretia Cowell | 43 | Wife | Head Cook | Wisconsin |
| 48 | Wanda Lee Cowell | 14 | Daughter | — | Illinois |
| 49 | William Cowell | 7 | Son | — | Illinois |
| 50 | Nancy Ann Cowell | 5 | Daughter | — | Illinois |
| 51 | James O. Haller | 69 | Head | — | Mississippi |
| 52 | Henry O. Carlson | 64 | Head | Farmer & Dairy | Sweden |
| 53 | Emma Carlson | 63 | Wife | — | Sweden |
| 54 | Paul Carlson | 29 | Son | Farm Hand | Illinois |
| 55 | August Carlson | 26 | Son | Farm Hand | Illinois |
| 56 | Oscar Carlson THIS PERSON | 24 | Son | Farm Hand | Illinois |
| 57 | Christine Paulson | 82 | Aunt | — | Sweden |
| 58 | Ray Shelato | 35 | Head | Laborer | Indiana |
| 59 | Effie Shelato | 35 | Wife | — | Indiana |
| 60 | Jess Shelato | 21 | Son | Laborer | Indiana |
| 61 | Max Shelato | 19 | Son | Truck Driver | Indiana |
| 62 | Jane Lucas | 82 | Head | — | England |
| 63 | Golda Vutrick | 63 | Head | House Work | Illinois |
| 64 | John Scarce | 80 | Head | — | Belgium |
| 65 | Phillipina Scarce | 75 | Wife | — | Belgium |
| 66 | Oscar Scarce | 38 | Son | Miner | Illinois |
| 67 | Margaret Scarce | 36 | Daughter in law | — | Illinois |
| 68 | Ruth Ellen Scarce | 1 | Daughter | — | Illinois |
| 69 | Sylvester Palmer | 78 | Head | Janitor | Ohio |
| 70 | Jane Palmer | 72 | Wife | — | Wales |
| 71 | Harry Gaddis | 46 | Head | Track Layer | Illinois |
| 72 | Helen Gaddis | 42 | Wife | — | Illinois |
| 73 | Walter D. Larson | 28 | Head | Miner | Illinois |
| 74 | Ruth Larson | 29 | Wife | — | Illinois |
| 75 | Larry Larson | 1 | Son | — | Illinois |
| 76 | Head Palmendonal | None | M | Coal Co | — |
| 77 | Edith Palmendonal | 37 | Wife | — | Indiana |
| 78 | Lois Ann Palmendonal | 19 | Daughter | Office Girl | Illinois |
| 79 | Donald Duane Palmendonal | 17 | Son | — | Illinois |
| 80 | Meriam Palmendonal | 16 | Daughter | — | Illinois |
Pedigree Summary
Oscar + 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)