CS
Carl Swanson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Knox-County, Illinois
Our Model Tree links this Carl Swanson across the 1920, 1930 and 1940 US Censuses in Knox-County, Illinois (XGBoost, ~Confirmed), with identified parents Arthur & Arthur — first a head (b.~1909), then head of a 4-person household.
Age 31
b. ~1909
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Knox-County, Illinois |
| Surname | Swanson |
| Given Name | Carl E |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Wataga Village |
| 1935 Residence (County) | Knox |
| Additional Details | |
| Occupation | Laborer |
| Industry | Construction Co |
| Class of Worker | PW |
| Hours Worked | 2 |
| Income (1939) | 1400 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Laborer |
| Township / Ward | Wataga Village |
| Est. Birth Year | ~1909 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Carl | Age | Birth yr |
|---|---|---|---|---|
| Linnea Swanson | Spouse | — | 28 | ~1912 |
| Ruth Swanson | Daughter | — | 2 | ~1938 |
| Carl Swanson | Head | — | 31 | ~1909 |
| Doris Swanson | Daughter | — | 4 | ~1936 |
Census Appearances
1920
Knox, Illinois
Son, age 10
Knox, Illinois · implied b. ~1910 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Swanson |
| Given Name | Carl |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Knox, Illinois
Son, age 20
Knox, Illinois · implied b. ~1910 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Swanson |
| Given Name | Carl A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Sweden |
| Occupation | Laborer |
| Industry | Garage |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Knox-County, Illinois
Head, age 31
Knox-County, Illinois · implied b. ~1909 — 4 household members
| Surname | Swanson |
| Given Name | Carl E |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Wataga Village |
| 1935 Residence (County) | Knox |
| Occupation | Laborer |
| Industry | Construction Co |
| Class of Worker | PW |
| Hours Worked | 2 |
| Income (1939) | 1400 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| 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 Carl Swanson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Arthur Swanson (~0.92 confidence) and father Arthur Swanson (~0.92 confidence) and mother Sina Swanson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Arthur Swanson
b. ~1887
Source father
● Household
· direct · ~0.92
Father
Arthur Swanson
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Sina Swanson
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Carl Swanson
Head · 1940 · age 31 · b. ~1909 · Illinois
★ 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 — Knox-County, Illinois
Open full size
1940 US Federal Census — Knox-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00827-00353)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Carl E Swanson THIS PERSON | 31 | Head | Laborer | Illinois |
| 42 | Linnea Swanson | 28 | Wife | — | Illinois |
| 43 | Doris J. Swanson | 4 | Daughter | — | Illinois |
| 44 | Ruth A. Swanson | 2 | Daughter | — | Illinois |
| 45 | Ernest D. Bullock | 55 | Head | Electrician | Arkansas |
| 46 | Florence Bullock | 35 | Wife | — | Illinois |
| 47 | Helen Bullock | 19 | Daughter | — | Illinois |
| 48 | Robert Bullock | 11 | Son | — | Illinois |
| 49 | Donald Bullock | 8 | Son | — | Illinois |
| 50 | Orvil Lytle | 41 | Head | Coal Miner | Minnesota |
| 51 | Alta Lytle | 33 | Wife | — | Illinois |
| 52 | William Lytle | 14 | Son | — | Illinois |
| 53 | Richard Lytle | 12 | Son | — | Illinois |
| 54 | Robert Lytle | 10 | Son | — | Illinois |
| 55 | Charles Lytle | 8 | Son | — | Illinois |
| 56 | Ruth Lytle | 5 | Daughter | — | Illinois |
| 57 | Barbara Lytle | 1 | Daughter | — | Illinois |
| 58 | Larry Lytle | 0 | Son | — | Illinois |
| 59 | George S. Foster | 67 | Head | — | Illinois |
| 60 | Margret M. Foster | 67 | Wife | — | Pennsylvania |
| 61 | Goldie V. Foster | 43 | Daughter | House Worker | Illinois |
| 62 | Pauline Foster | 29 | Daughter | House Worker | Illinois |
| 63 | Frank D. Thompson | 52 | Head | — | Illinois |
| 64 | Glyn C Stewart | 46 | Head | Truck Owner | Illinois |
| 65 | Alta Stewart | 34 | Wife | — | North Dakota |
| 66 | Glyn C Jr Stewart | 11 | Son | — | Illinois |
| 67 | Ida Baker | 62 | Head | — | Illinois |
| 68 | Cecil Powell | 25 | Head | Bar Tender | Illinois |
| 69 | Majorie M. Powell | 23 | Wife | Clerk | Illinois |
| 70 | Chris Linder | 74 | Head | Farmer | Ohio |
| 71 | Mary E Linder | 70 | Wife | — | Indiana |
| 72 | Shreeder Mittie Linder | 48 | Daughter | Housekeeper | Missouri |
| 73 | Clyde Thompson | 47 | Head | Storekeeper | Illinois |
| 74 | Mertle D Thompson | 35 | Wife | — | Illinois |
| 75 | Joseph Thompson | 5 | Son | — | Illinois |
| 76 | Robert Thompson | 2 | Son | — | Illinois |
| 77 | Clyde Jr Thompson | 18 | Son | — | Illinois |
| 78 | Jean Thompson | 16 | Daughter | — | Illinois |
| 79 | Vivian Thompson | 15 | Daughter | — | Illinois |
| 80 | Leo Trout | 15 | Step-Son | — | Illinois |
Pedigree Summary
Carl
Gen 1 · 3 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)