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 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1922), then head of a 13-person household.
Age 18
b. ~1922
Female
Daughter
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Swanson |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | H-4 |
| 1935 Residence | Same Place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Township / Ward | Chicago |
| Est. Birth Year | ~1922 |
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 Ruth | Age | Birth yr |
|---|---|---|---|---|
| Harold Swanson | Son | — | 20 | ~1920 |
| Lillian Swanson | Daughter | — | 23 | ~1917 |
| Mildred Helvig | Daughter | — | 30 | ~1910 |
| Paul Swanson | Son | — | 25 | ~1915 |
| Ethel Swanson | Spouse | — | 48 | ~1892 |
| Ruth Swanson | Daughter | — | 18 | ~1922 |
| Evelyn Swanson | Daughter | — | 17 | ~1923 |
| Stanley Helvig | Other | — | 9 | ~1931 |
| John Swanson | Head | — | 54 | ~1886 |
| Helen Swanson | Daughter | — | 15 | ~1925 |
| Violet Swanson | Daughter | — | 22 | ~1918 |
| Gloria Swanson | Daughter | — | 12 | ~1928 |
| Myrtle Swanson | Daughter | — | 19 | ~1921 |
Census Appearances
1930
Cook, Illinois
Daughter, age 8
Cook, Illinois · implied b. ~1922 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Swanson |
| Given Name | Ruth M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Vermont |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Cook-County, Illinois
Daughter, age 18
Cook-County, Illinois · implied b. ~1922 — 13 household members
| Surname | Swanson |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Class of Worker | 0 |
| Highest Grade | H-4 |
| 1935 Residence | Same Place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ruth Swanson
Daughter · 1940 · age 18 · b. ~1922 · Illinois
★ You are viewing this record
Sibling
Evelyn Swanson
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gloria Swanson
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harold Swanson
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Myrtle Swanson
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Violet Swanson
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Swanson
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Swanson
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mildred Helvig
Sibling · 1940 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lillian Swanson
Sibling · 1940 · age 23
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-t0627-00955-00331)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Newton | 53 | Head | Clerk | New York |
| 2 | Edna Newton | 45 | Wife | Inspector | Pennsylvania |
| 3 | Arthur Schnace | 41 | Head | Electrical Engineer | Illinois |
| 4 | Clara Schnace | 38 | Wife | — | Nebraska |
| 5 | Leslie Claghorn | 31 | Head | — | New York |
| 6 | Horace J. Mix | 76 | Head | Milkman | New York |
| 7 | John V. Conly | 67 | Head | Salesman | Illinois |
| 8 | Eleanor Conly | 21 | Daughter | — | Illinois |
| 9 | William G. Davidson | 28 | Son-in-law | Salesman | Illinois |
| 10 | Marion G. Davidson | 29 | Daughter | — | Illinois |
| 11 | Allan J. Davidson | 2 | Grandson | — | Illinois |
| 12 | John Swanson | 54 | Head | Carpenter | Sweden |
| 13 | Ethel A. Swanson | 48 | Wife | — | Vermont |
| 14 | Paul Swanson | 25 | Son | Skinny Butcher | Illinois |
| 15 | Lillian Swanson | 23 | Daughter | Stenographer | North Dakota |
| 16 | Violet Swanson | 22 | Daughter | Clerk | Minnesota |
| 17 | Harold Swanson | 20 | Son | Packer | Minnesota |
| 18 | Myrtle Swanson | 19 | Daughter | — | Minnesota |
| 19 | Ruth Swanson THIS PERSON | 18 | Daughter | — | Minnesota |
| 20 | Evelyn Swanson | 17 | Daughter | — | Minnesota |
| 21 | Helen Swanson | 15 | Daughter | — | Illinois |
| 22 | Gloria Swanson | 12 | Daughter | — | Illinois |
| 23 | Mildred Helvig | 30 | Daughter | Secretary | Illinois |
| 24 | Stanley Helvig | 9 | Grandson | — | Illinois |
| 25 | Charles S. Clark | 76 | Head | Editor | Iowa |
| 26 | Mertle Drew Clark | 64 | Wife | — | Illinois |
| 27 | Bernard Martin | 41 | Son-in-law | Lawyer | Nebraska |
| 28 | John B. Harberlin | 63 | Head | Physician & Surgeon | Illinois |
| 29 | Carolyn A. Harberlin | 63 | Wife | — | Iowa |
| 30 | Carolyn Harberlin | 26 | Daughter | — | Illinois |
| 31 | Roland C. Foster | 58 | Head | Cattle Trader | Illinois |
| 32 | Zillah Foster | 57 | Wife | — | Illinois |
| 33 | Pearl Foster | 27 | Daughter | Statistician | Illinois |
| 34 | Betty Foster | 20 | Daughter | — | Illinois |
| 35 | Dora Benford | 26 | Servant | House Maid | Missouri |
| 36 | R. Maynard Reed | 62 | Head | Manufacturer | Illinois |
| 37 | Mary L. Reed | 62 | Wife | — | Illinois |
| 38 | Lawrence Reed | 33 | Son | Salesman | Illinois |
| 39 | Rufus Reed | 26 | Son | Chemist | Illinois |
| 40 | Charles Davis | 74 | Head | Buyer | Ohio |
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)