RS
Ruth Swanson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Ruth Swanson across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1890), then head of a 4-person household.
Age 50
b. ~1890
Female
Spouse
Born: Sweden
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Swanson |
| Given Name | Ruth |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Sweden |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1890 |
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 Ruth | Age | Birth yr |
|---|---|---|---|---|
| Marion Carlstedt | Daughter | — | 25 | ~1915 |
| Walter Carlstedt | Other | — | 26 | ~1914 |
| Theodore Swanson | Head | — | 55 | ~1885 |
| Ruth Swanson | Spouse | — | 50 | ~1890 |
Census Appearances
1920
Cook, Illinois
Other, age 31
Cook, Illinois · implied b. ~1889 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Swanson |
| Given Name | Ruth |
| Relationship to Head | Sister |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Sweden |
| Year of Immigration | 1905 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1930
Cook, Illinois
Other, age 39
Cook, Illinois · implied b. ~1891 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Swanson |
| Given Name | Ruth |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Sweden |
| Naturalization Status | Naturalized |
| Year of Immigration | 1906 |
| Age at First Marriage | 22 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read/Write | Yes |
| Mother Tongue | Swedish |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1940
Cook-County, Illinois
Spouse, age 50
Cook-County, Illinois · implied b. ~1890 — 4 household members
| Surname | Swanson |
| Given Name | Ruth |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Sweden |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
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 Ruth Swanson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Ruth Swanson
Spouse · 1940 · age 50 · b. ~1890 · 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 — 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-t0627-00936-00294)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lloyd Carlson | 24 | Son | Maintenance | Illinois |
| 2 | Ruth Carlson | 21 | Daughter | File Clerk | Illinois |
| 3 | Violet Carlson | 18 | Daughter | — | Illinois |
| 4 | Theodore Swanson | 55 | Head | Machinist | Sweden |
| 5 | Ruth Swanson THIS PERSON | 50 | Wife | — | Sweden |
| 6 | Walter Carlstedt | 26 | Son-in-law | Contact Man | Illinois |
| 7 | Marion Carlstedt | 25 | Daughter | — | Illinois |
| 8 | Thomas Rush | 62 | Head | Loco Engineer | New Jersey |
| 9 | Alice Rush | 58 | Wife | — | Illinois |
| 10 | Donald Brown | 50 | Head | Heater | Indiana |
| 11 | Mary Brown | 39 | Wife | — | Illinois |
| 12 | Mary Jane Brown | 13 | Daughter | — | Illinois |
| 13 | Leon Johnson | 41 | Head | Milkman | Illinois |
| 14 | Lockie Johnson | 37 | Wife | — | Tennessee |
| 15 | David Johnson | 16 | Son | — | Illinois |
| 16 | Oscar Peterson | 65 | Lodger | Wpa | Iowa |
| 17 | Samuel Knapp | 52 | Head | Pressman | Michigan |
| 18 | Julia Knapp | 43 | Wife | — | Illinois |
| 19 | William Knapp | 12 | Son | — | Illinois |
| 20 | Stanley Pronitis | 30 | Head | Compositor | Illinois |
| 21 | Anne Pronitis | 27 | Wife | — | Illinois |
| 22 | Robert Pronitis | 9 | Son | — | Illinois |
| 23 | Vincent Pronitis | 24 | Brother | Feeder | Illinois |
| 24 | Henry Swanson | 47 | Head | Machinist | Illinois |
| 25 | Lillian Swanson | 40 | Wife | — | Illinois |
| 26 | Henrietta Swanson | 15 | Daughter | — | Illinois |
| 27 | Joseph O'Brien | 31 | Head | Patrolman | Illinois |
| 28 | Clare O'Brien | 31 | Wife | — | Illinois |
| 29 | Ernest Kathman | 41 | Head | Clerk | Illinois |
| 30 | Florence Kathman | 38 | Wife | — | Illinois |
| 31 | Jeanette Kathman | 14 | Daughter | — | Illinois |
| 32 | Doris Kathman | 7 | Daughter | — | Illinois |
| 33 | Michael Kiehn | 41 | Head | Electrical Foreman | Illinois |
| 34 | Florence Kiehn | 38 | Wife | — | Illinois |
| 35 | Dorothy Kiehn | 17 | Daughter | — | Illinois |
| 36 | Donald Kiehn | 14 | Son | — | Illinois |
| 37 | Florence Kiehn | 3 | Daughter | — | Illinois |
| 38 | Elizabeth Hanson | 63 | Mother-in-law | — | England |
| 39 | Herman Kiehn | 45 | Head | Mechanic | Illinois |
| 40 | Gertrude Kiehn | 39 | Wife | Telephone Operator | Indiana |
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)