OS
Oscar Swanson — 1920 US Census Record
Model Tree available1920 United States Federal Census · Cook, Illinois
Our Model Tree links this Oscar Swanson across the 1900, 1910 and 1920 US Censuses in Cook, Illinois (XGBoost, ~Confirmed), with identified parents Charles & Olof — first a son (b.~1897), then head of a 7-person household.
Age 23
b. ~1897
Male
Son
Born: Illinois
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Cook, Illinois |
| Surname | Swanson |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Additional Details | |
| Occupation | Repair Man |
| Industry | Auto Shop |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Repair Man |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1897 |
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.
7 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Oscar | Age | Birth yr |
|---|---|---|---|---|
| Rudolph Swanson | Son | — | 20 | ~1900 |
| Raymond Swanson | Other | — | 2 | ~1918 |
| Otto Swanson | Head | — | 54 | ~1866 |
| Teresa Swanson | Other | — | 24 | ~1896 |
| Annie Swanson | Spouse | — | 53 | ~1867 |
| Oscar Swanson | Son | — | 23 | ~1897 |
| Ellen Swanson | Daughter | — | 25 | ~1895 |
Census Appearances
1900
Cook, Illinois
Son, age 5
Cook, Illinois · implied b. ~1895 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Swanson |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Illinois |
| Birth Month | July |
| Birth Year | 1895 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1910
Cook, Illinois
Son, age 14
Cook, Illinois · implied b. ~1896 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Swanson |
| 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 | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Cook, Illinois
Son, age 23
Cook, Illinois · implied b. ~1897 — 7 household members
| Surname | Swanson |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Repair Man |
| Industry | Auto Shop |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| 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 Swanson across 3 US Census years (1900, 1910 and 1920) in Cook, Illinois, using XGBoost record linkage. Identified parents: father Charles Swanson (~0.92 confidence) and father Olof Swanson (~0.92 confidence) and father Otto Swanson (~0.92 confidence) and mother Annie Swanson (~0.92 confidence) and mother Ida Swanson (~0.92 confidence) and mother Julia Swanson (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Swanson
b. ~1853
Source father
● Household
· direct · ~0.92
Father
Olof Swanson
b. ~1858
Source father
● Household
· direct · ~0.92
Father
Otto Swanson
b. ~1866
Source father
● Household
· direct · ~0.92
Mother
Annie Swanson
b. ~1867
Source mother
● Household
· direct · ~0.92
Mother
Ida Swanson
b. ~1859
Source mother
● Household
· direct · ~0.92
Mother
Julia Swanson
b. ~1860
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Oscar Swanson
Son · 1920 · age 23 · b. ~1897 · Illinois
★ You are viewing this record
Sibling
Ellen Swanson
Sibling · 1920 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rudolph Swanson
Sibling · 1920 · age 20
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
1920 US Federal Census — Cook, Illinois
Open full size
1920 US Federal Census — Cook, Illinois
Page Contents
49 people indexed on this census page (ia:1920:14thcensusofpopu339unit:1085)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 52 | Otto B. Swanson | 54 | Head | President-Capitalist | Sweden |
| 53 | Annie Swanson | 53 | Wife | — | Sweden |
| 54 | Oscar Swanson THIS PERSON | 23 | Son | Repair Man | Illinois |
| 55 | Teresa Swanson | 24 | Daughter-in-law | — | Illinois |
| 56 | Rudolph Swanson | 20 | Son | Repair Man | Illinois |
| 57 | Ellen Swanson | 25 | Daughter | Typist | Illinois |
| 58 | Raymond Swanson | 2 | Grandson | — | Illinois |
| 59 | Joseph Bonk | 33 | Head | Painter | Illinois |
| 60 | Agnes Bonk | 32 | Wife | — | Illinois |
| 61 | Richard Bonk | 4 | Son | — | Illinois |
| 62 | Marguerite Bonk | 1 | Daughter | — | Illinois |
| 63 | Harry C. Johnson | 30 | Head | Yard Clerk | Illinois |
| 64 | Hellen F. Johnson | 30 | Wife | — | St Louis |
| 65 | Kate Carr | 61 | Mother-in-law | — | Indiana |
| 66 | Hans S. Hanson | 55 | Head | Ink Maker | Norway |
| 67 | Anna Hanson | 55 | Wife | — | Norway |
| 68 | Joe Hanson | 15 | Son | — | Illinois |
| 69 | Fred S. Nelson | 49 | Head | Salesman | Sweden |
| 70 | Ellen Nelson | 49 | Wife | — | Sweden |
| 71 | Hans G. Friis | 36 | Head | Bookkeeper | Denmark |
| 72 | Olga Friis | 32 | Wife | — | Norway |
| 73 | Hellen Friis | 8 | Daughter | — | Illinois |
| 74 | Edith Friis | 5 | Daughter | — | Illinois |
| 75 | Louis La Fleur | 45 | Head | Salesman | Quebec |
| 76 | Jane La Fleur | 44 | Wife | — | London |
| 77 | Edna La Fleur | 18 | Daughter | Stenographer | Quebec |
| 78 | George Mccarrell | 60 | Head | Foreman | Ireland |
| 79 | Selina Mccarrell | 60 | Wife | — | Ireland |
| 80 | Stewart J. Mccarrell | 23 | Son | Electrician | Illinois |
| 81 | Gordon W. Mccarrell | 18 | Son | Electrician | Illinois |
| 82 | Alice Mccarrell | 22 | Daughter | Stenographer | Illinois |
| 83 | Anna Mccarrell | 22 | Daughter-in-law | — | Illinois |
| 84 | William F. Kerr | 1 | Grandson | — | Illinois |
| 85 | Louis Gerbing | 62 | Head | — | Illinois |
| 86 | Anna Gerbing | 58 | Wife | — | Wisconsin |
| 87 | Fred Hrebelman | 35 | Head | Cutter | Germany |
| 88 | Martha Hrebelman | 31 | Wife | — | Germany |
| 89 | William H. Klein | 44 | Head | Engineer | Illinois |
| 90 | Francis Klein | 39 | Wife | — | Germany |
| 91 | Marshall Hannasard | 20 | Boarder | Lather | Illinois |
| 92 | Boarder Lorans | 15 | — | Stenographer | Illinois |
| 93 | Claude Burgess | 28 | Head | Plumber | Illinois |
| 94 | Gertrude Burgess | 26 | Wife | — | England |
| 95 | James C. Burgess | 4 | Son | — | Illinois |
| 96 | Catherine Burgess | 2 | Daughter | — | Illinois |
| 97 | Genevieve Burgess | 0 | Daughter | — | Illinois |
| 98 | Henry Lottachalk | 40 | Head | Foreman | Germany |
| 99 | Sophia Lottachalk | 39 | Wife | — | Illinois |
| 100 | Catherine Lottachalk | 15 | Daughter | — | Illinois |
Pedigree Summary
Oscar + 2 siblings
Gen 1 · 6 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)