CS
Carl Swanson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Warren-County, Illinois
Our Model Tree links this Carl Swanson across the 1910, 1920, 1930 and 1940 US Censuses in Warren-County, Illinois (XGBoost, ~Confirmed), with identified parents John & Ella — first a son (b.~1893), then head of a 13-person household.
Age 47
b. ~1893
Male
Son
Born: Nebraska
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Warren-County, Illinois |
| Surname | Swanson |
| Given Name | Carl E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Single |
| Birthplace | Nebraska |
| 1935 Residence (City) | Sumner township |
| 1935 Residence (County) | Warren |
| Additional Details | |
| Occupation | Farming |
| Industry | Farmer |
| Class of Worker | NP |
| Hours Worked | 50 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
| Occupation | Farming |
| Township / Ward | Sumner Township |
| Est. Birth Year | ~1893 |
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.
13 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Carl | Age | Birth yr |
|---|---|---|---|---|
| Emil Swanson | Son | — | 36 | ~1904 |
| Edith Swanson | Daughter | — | 43 | ~1897 |
| Ellen Swanson | Daughter | — | 35 | ~1905 |
| Mary Lee | Daughter | — | 31 | ~1909 |
| Arthur Swanson | Son | — | 45 | ~1895 |
| Carl Swanson | Son | — | 47 | ~1893 |
| Ella Swanson | Spouse | — | 69 | ~1871 |
| Herman Swanson | Son | — | 26 | ~1914 |
| John Swanson | Other | — | 12 | ~1928 |
| Selma Swanson | Daughter | — | 41 | ~1899 |
| Hulda Swanson | Daughter | — | 38 | ~1902 |
| Margaret Swanson | Daughter | — | 14 | ~1926 |
| Bernard Lee | Son | — | 31 | ~1909 |
Census Appearances
1910
Warren, Illinois
Son, age 17
Warren, Illinois · implied b. ~1893 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Swanson |
| Given Name | Carl |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Nebraska |
| Father's Birthplace | Swed Swedish |
| Mother's Birthplace | Swed Swedish |
| Occupation | Farm Laborer |
| Industry | Home Farm |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
1920
Warren, Illinois
Son, age 27
Warren, Illinois · implied b. ~1893 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Swanson |
| Given Name | Carl E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Nebraska |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
1930
Warren, Illinois
Son, age 37
Warren, Illinois · implied b. ~1893 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Swanson |
| Given Name | Carl E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Single |
| Birthplace | Nebraska |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Operator |
| Industry | Farm |
| Class of Worker | O |
| Can Read/Write | Yes |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
1940
Warren-County, Illinois
Son, age 47
Warren-County, Illinois · implied b. ~1893 — 13 household members
| Surname | Swanson |
| Given Name | Carl E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Single |
| Birthplace | Nebraska |
| 1935 Residence (City) | Sumner township |
| 1935 Residence (County) | Warren |
| Occupation | Farming |
| Industry | Farmer |
| Class of Worker | NP |
| Hours Worked | 50 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
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 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Swanson (~0.92 confidence) and mother Ella Swanson (~0.92 confidence) and mother Ella Swanson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Swanson
b. ~1859
Source father
● Household
· direct · ~0.92
Mother
Ella Swanson
b. ~1869
Source mother
● Household
· direct · ~0.92
Mother
Ella Swanson
b. ~1871
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Carl Swanson
Son · 1940 · age 47 · b. ~1893 · Illinois
★ You are viewing this record
Sibling
Herman Swanson
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Swanson
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arthur Swanson
Sibling · 1940 · age 45
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Lee
Sibling · 1940 · age 31
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edith Swanson
Sibling · 1940 · age 43
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ellen Swanson
Sibling · 1940 · age 35
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hulda Swanson
Sibling · 1940 · age 38
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Selma Swanson
Sibling · 1940 · age 41
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Emil Swanson
Sibling · 1940 · age 36
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernard Lee
Sibling · 1940 · age 31
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 — Warren-County, Illinois
Open full size
1940 US Federal Census — Warren-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00901-00546)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary Lee | 31 | Daughter | Teacher | Illinois |
| 2 | Bernard Lee | 31 | Son | Farming | Illinois |
| 3 | Ella Swanson | 69 | Wife | — | Sweden |
| 4 | Carl E. Swanson THIS PERSON | 47 | Son | Farming | Nebraska |
| 5 | Arthur Swanson | 45 | Son | Farming | Illinois |
| 6 | Edith Swanson | 43 | Daughter | Housework | Illinois |
| 7 | Selma Swanson | 41 | Daughter | — | Illinois |
| 8 | Hulda Swanson | 38 | Daughter | — | Illinois |
| 9 | Emil Swanson | 36 | Son | Farming | Illinois |
| 10 | Ellen Swanson | 35 | Daughter | — | Illinois |
| 11 | Herman Swanson | 26 | Son | Farming | Illinois |
| 12 | Margaret Swanson | 14 | Daughter | — | Illinois |
| 13 | John Arthur Swanson | 12 | Grandson | — | Illinois |
| 14 | David R. Lewis | 28 | Head | Farming | Illinois |
| 15 | Pauline Lewis | 21 | Wife | — | Illinois |
| 16 | Mildred R. Lewis | 1 | Daughter | — | Illinois |
| 17 | David R. Jr. Lewis | 0 | Son | — | Illinois |
| 18 | Nancy Mitchell | 72 | Head | — | Illinois |
| 19 | James Will Mitchell | 74 | Brother | Farming | Illinois |
| 20 | Charles Mitchell | 70 | Brother | Farming | Illinois |
| 21 | Helen Vaughan | 20 | Housekeeper | Housekeeping | Illinois |
| 22 | George Tuken | 41 | Roomer | Farming | Illinois |
| 23 | Eric Carlson | 49 | Head | Farming | Sweden |
| 24 | Emelia Carlson | 47 | Wife | — | Sweden |
| 25 | Evelyn May Carlson | 15 | Daughter | — | Illinois |
| 26 | Marion B. Keller | 45 | Head | Farming | Illinois |
| 27 | Clara E. Keller | 31 | Wife | — | Illinois |
| 28 | Doris Ann Keller | 4 | Daughter | — | Illinois |
| 29 | Charles Thomas Keller | 2 | Son | — | Illinois |
| 30 | Paul Cecil Yulong | 27 | Head | Farming | Illinois |
| 31 | Geneva Edith Yulong | 24 | Wife | — | Illinois |
| 32 | Einar Johnson | 47 | Head | Farming | Sweden |
| 33 | Hilda Johnson | 46 | Wife | — | Sweden |
| 34 | Evelyn Johnson | 22 | Daughter | — | Illinois |
| 35 | Frederick Johnson | 16 | Son | — | Illinois |
| 36 | Arthur Campbell | 43 | Head | Farming | Illinois |
| 37 | Mable Campbell | 42 | Wife | — | Illinois |
| 38 | Clyde Campbell | 13 | Son | — | Illinois |
| 39 | Mildred Campbell | 10 | Daughter | — | Illinois |
| 40 | Howard L. Martin | 74 | Head | — | Illinois |
Pedigree Summary
Carl + 10 siblings
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)