AS
Arthur Swanson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Arthur Swanson across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents August & Axel — first a son (b.~1916), then head of a 5-person household.
Age 24
b. ~1916
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Swanson |
| Given Name | Arthur |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago city |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Traveling Salesman |
| Industry | Spray Co. |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1704 |
| Highest Grade | H-4 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Traveling Salesman |
| Township / Ward | Chicago City |
| 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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Arthur | Age | Birth yr |
|---|---|---|---|---|
| August Swanson | Head | — | 68 | ~1872 |
| Dorothy Swanson | Other | — | 24 | ~1916 |
| Arthur Swanson | Son | — | 24 | ~1916 |
| Johanna Swanson | Spouse | — | 65 | ~1875 |
| Melvin Swanson | Son | — | 28 | ~1912 |
Census Appearances
1920
Cook, Illinois
Son, age 3
Cook, Illinois · implied b. ~1917 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Swanson |
| Given Name | Arthur |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Norway |
| Mother's Birthplace | Denmark |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Danish |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Son, age 14
Cook, Illinois · implied b. ~1916 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Swanson |
| Given Name | Arthur |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Norway |
| Mother's Birthplace | Denmark |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 24
Cook-County, Illinois · implied b. ~1916 — 5 household members
| Surname | Swanson |
| Given Name | Arthur |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago city |
| 1935 Residence (County) | Cook |
| Occupation | Traveling Salesman |
| Industry | Spray Co. |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1704 |
| 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 Arthur Swanson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father August Swanson (~0.92 confidence) and father Axel Swanson (~0.92 confidence) and mother Hilda Swanson (~0.92 confidence) and mother Johanna Swanson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
August Swanson
b. ~1872
Source father
● Household
· direct · ~0.92
Father
Axel Swanson
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Hilda Swanson
b. ~1875
Source mother
● Household
· direct · ~0.92
Mother
Johanna Swanson
b. ~1875
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Arthur Swanson
Son · 1940 · age 24 · b. ~1916 · Illinois
★ You are viewing this record
Sibling
Melvin Swanson
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 — Cook-County, Illinois
Open full size
1940 US Federal Census — Cook-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01002-00917)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John F. O'Connor | 33 | Son-in-law | Asst. Buyer | Minnesota |
| 42 | Eugene O'Connor | 2 | Grandson | — | Illinois |
| 43 | Marguerite O'Connor | 0 | Granddaughter | — | Illinois |
| 44 | William B. Maxwell | 32 | Head | Painter | Illinois |
| 45 | Florence Maxwell | 28 | Wife | Packer | Illinois |
| 46 | William Jr. Maxwell | 7 | Son | — | Illinois |
| 47 | August Swanson | 68 | Head | — | Sweden |
| 48 | Johanna Swanson | 65 | Wife | — | Sweden |
| 49 | Melvin Swanson | 28 | Son | Insurance Broker | Illinois |
| 50 | Arthur Swanson THIS PERSON | 24 | Son | Traveling Salesman | Illinois |
| 51 | Dorothy Swanson | 24 | Daughter-in-law | Stenographer | Wisconsin |
| 52 | Emil Polzin | 65 | Head | Baker | Germany |
| 53 | Catherine Polzin | 59 | Wife | — | Illinois |
| 54 | Catherine Polzin | 23 | Daughter | File Clerk | Illinois |
| 55 | Raymond Polzin | 23 | Son-in-law | Repair Man | Illinois |
| 56 | Blanche Polzin | 19 | Daughter | Sorter | Illinois |
| 57 | Arthur A. Warda | 30 | Head | Butcher | Illinois |
| 58 | Marie Warda | 27 | Wife | Clerk | Illinois |
| 59 | Alfred Behnke | 36 | Head | Telephone Installer | Germany |
| 60 | Agnes Behnke | 35 | Wife | — | Germany |
| 61 | Alfred Jr. Behnke | 10 | Son | — | Illinois |
| 62 | Rudolph Behnke | 2 | Son | — | Illinois |
| 63 | Frank Piefer | 46 | Head | Material Inspector | Illinois |
| 64 | Catherine Piefer | 42 | Wife | — | Chicago |
| 65 | Joseph Piefer | 18 | Son | — | Chicago |
| 66 | Frank Piefer | 15 | Son | — | Chicago |
| 67 | Mary Piefer | 13 | Daughter | — | Chicago |
| 68 | Catherine Piefer | 13 | Daughter | — | Chicago |
| 69 | Claudia Piefer | 3 | Daughter | — | Chicago |
| 70 | Annie Dyalon | 58 | Head | — | Illinois |
| 71 | George Dyalon | 22 | Son | — | Illinois |
| 72 | Harold Fanning | 25 | Head | Highway Police | Illinois |
| 73 | Ann Fanning | 22 | Wife | — | Illinois |
| 74 | Dennis Fanning | 11 | Son | — | Illinois |
| 75 | Priscilla Fanning | 5 | Daughter | — | Illinois |
| 76 | George Fortman | 37 | Head | Surface Line Conductor | Illinois |
| 77 | Florence Fortman | 35 | Wife | — | Illinois |
| 78 | Frederick Fortman | 15 | Son | — | Illinois |
| 79 | Jeanne Fortman | 7 | Daughter | — | Illinois |
| 80 | Ignatz Weber | 57 | Father-in-law | — | Germany |
Pedigree Summary
Arthur + 1 sibling
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)