RP
Ruth Peterson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Ruth Peterson across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1888), then head of a 3-person household.
Age 52
b. ~1888
Female
Spouse
Born: Sweden
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Peterson |
| Given Name | Ruth |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Sweden |
| 1935 Residence (City) | Chicago |
| Naturalization Status | Alien |
| Additional Details | |
| Occupation | Typist |
| Industry | Telephone Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1700 |
| Highest Grade | H 1 |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
| Occupation | Typist |
| Township / Ward | Chicago |
| Est. Birth Year | ~1888 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ruth | Age | Birth yr |
|---|---|---|---|---|
| Julius Peterson | Head | — | 52 | ~1888 |
| Eugene Peterson | Son | — | 18 | ~1922 |
| Ruth Peterson | Spouse | — | 52 | ~1888 |
Census Appearances
1920
Cook, Illinois
Spouse, age 32
Cook, Illinois · implied b. ~1888 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Ruth |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Sweden |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Swedish |
| Occupation | Yes |
| Industry | none |
| Can Read | Swedish |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Sweden |
| Home Owned/Rented | 1916 |
| Birth Country | Sweden |
| Year of Naturalization | al |
| Birthplace (normalized) | sweden |
1930
Cook, Illinois
Spouse, age 42
Cook, Illinois · implied b. ~1888 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Ruth V. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Sweden |
| Naturalization Status | Alien |
| Year of Immigration | 1888 |
| Age at First Marriage | 26 |
| 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 52
Cook-County, Illinois · implied b. ~1888 — 3 household members
| Surname | Peterson |
| Given Name | Ruth |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Sweden |
| 1935 Residence (City) | Chicago |
| Naturalization Status | Alien |
| Occupation | Typist |
| Industry | Telephone Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1700 |
| Highest Grade | H 1 |
| 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 Peterson 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 Peterson
Spouse · 1940 · age 52 · b. ~1888 · Illinois
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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-t0627-00933-00506)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Marlene Steelman | 22 | Wife | Steelman | Illinois |
| 2 | John Steelman | 3 | Son | — | — |
| 3 | George Butterworth | 52 | Head | Supervisor | New York |
| 4 | Rose Butterworth | 54 | Wife | — | Indiana |
| 5 | Ralph Rapp | 31 | Head | Policeman | Illinois |
| 6 | Mildred Rapp | 29 | Wife | — | Illinois |
| 7 | Walter Rapp | 2 | Son | — | — |
| 8 | E. Johnson | 32 | Head | Tool Maker | Sweden |
| 9 | Margaret Johnson | 30 | Wife | — | Sweden |
| 10 | Alice Johnson | 9 | Daughter | — | Illinois |
| 11 | Richard Johnson | 7 | Son | — | Illinois |
| 12 | James Brady | 53 | Head | Clerk | Illinois |
| 13 | Julia Brady | 54 | Wife | — | Illinois |
| 14 | John Mcmahon | 61 | Brother-in-law | Chauffeur | Canada |
| 15 | Walter Dean | 25 | Head | Chef | New York |
| 16 | Florence Dean | 23 | Wife | Waitress | Wisconsin |
| 17 | Charles Doll | 57 | Head | Packer | Illinois |
| 18 | Eleanor Doll | 52 | Wife | — | Illinois |
| 19 | Frank Doll | 24 | Son | Clerk | Illinois |
| 20 | Carl Petlow | 28 | Son-in-law | Clerk | Illinois |
| 21 | Betty Petlow | 28 | Daughter | Operator | Illinois |
| 22 | Henry Doll | 63 | Head | — | Illinois |
| 23 | John Doll | 55 | Head | Inspector & Repairman | Illinois |
| 24 | Annie Doll | 57 | Wife | — | Illinois |
| 25 | Minnie Clark | 76 | Housekeeper | Housekeeper | Wisconsin |
| 26 | William Dooley | 31 | Head | Clerk | Wisconsin |
| 27 | Hermena Dooley | 33 | Wife | — | Switzerland |
| 28 | James Dooley | 1 | Son | — | — |
| 29 | Edward Herr | 58 | Head | Butcher | Illinois |
| 30 | Julia Herr | 52 | Wife | — | Illinois |
| 31 | Margaret Breese | 31 | Daughter | Clerk | Illinois |
| 32 | William Boll | 46 | Head | Salesman | Illinois |
| 33 | Angela Boll | 39 | Wife | — | Ontario |
| 34 | John Boll | 11 | Son | — | Illinois |
| 35 | Josephine Boll | 7 | Daughter | — | Illinois |
| 36 | Julius Peterson | 52 | Head | Engraver | Sweden |
| 37 | Ruth Peterson THIS PERSON | 52 | Wife | Typist | Sweden |
| 38 | Eugene Peterson | 18 | Son | Clerk | Illinois |
| 39 | Raymond Raaf | 40 | Head | Bricklayer | Illinois |
| 40 | Florence Raaf | 52 | Sister | — | Illinois |
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)