RH
Ruth Harris — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Ruth Harris across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1895), then head of a 3-person household.
Age 45
b. ~1895
Female
Spouse
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Harris |
| Given Name | Ruth |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Highest Grade | H 4 |
| 1935 Residence | Same Place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1895 |
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 |
|---|---|---|---|---|
| Ralph Harris | Head | — | 46 | ~1894 |
| Ralph Harris | Son | — | 17 | ~1923 |
| Ruth Harris | Spouse | — | 45 | ~1895 |
Census Appearances
1920
Cook, Illinois
Spouse, age 24
Cook, Illinois · implied b. ~1896 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harris |
| Given Name | Ruth |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Cook, Illinois
Spouse, age 36
Cook, Illinois · implied b. ~1894 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harris |
| Given Name | Ruth |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 25 |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Cook-County, Illinois
Spouse, age 45
Cook-County, Illinois · implied b. ~1895 — 3 household members
| Surname | Harris |
| Given Name | Ruth |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Highest Grade | H 4 |
| 1935 Residence | Same Place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Harris across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ruth Harris
Spouse · 1940 · age 45 · b. ~1895 · 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-t0627-00960-00460)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Harvey Guerringa | 48 | Head | Agent | Illinois |
| 2 | Frances Guerringa | 33 | Wife | — | Illinois |
| 3 | Gail Guerringa | 15 | Daughter | — | Illinois |
| 4 | Willard Guerringa | 14 | Son | — | Illinois |
| 5 | Joseph Guerringa | 12 | Son | — | Illinois |
| 6 | Francis Peterson | 24 | Servant | Maid | Illinois |
| 7 | Kenneth Schid | 36 | Head | Doctor | Illinois |
| 8 | Irene Schid | 33 | Wife | — | Minnesota |
| 9 | Marjorie Schid | 5 | Daughter | — | Illinois |
| 10 | Lois Schid | 2 | Daughter | — | Illinois |
| 11 | James Donaker | 46 | Head | Salesman | Illinois |
| 12 | Dorothy Donaker | 40 | Wife | Secretary | Illinois |
| 13 | Bessie Lane | 70 | Mother-in-law | — | Ireland Free State |
| 14 | Margaret E. Lane | 64 | Sister-in-law | — | Ireland Free State |
| 15 | Herman Davidson | 48 | Head | Doctor | Virginia |
| 16 | Charlotte Davidson | 34 | Wife | — | Virginia |
| 17 | Lillian Davidson | 15 | Daughter | — | Boston |
| 18 | William Davidson | 14 | Son | — | Illinois |
| 19 | Nancy Davidson | 4 | Daughter | — | Illinois |
| 20 | Paul Shallenberger | 33 | Head | Doctor | Illinois |
| 21 | Eleanor Shallenberger | 33 | Wife | — | Illinois |
| 22 | Anne Shallenberger | 4 | Daughter | — | Illinois |
| 23 | Lynn Shallenberger | 1 | Daughter | — | Illinois |
| 24 | James Pfeiffer | 35 | Head | Division Manager | Florida |
| 25 | Elizabeth Pfeiffer | 31 | Wife | — | Illinois |
| 26 | Elizabeth Pfeiffer | 4 | Daughter | — | Illinois |
| 27 | Mary Pfeiffer | 2 | Daughter | — | Illinois |
| 28 | Thomas Ryan | 26 | Head | Advertising Manager | St. Louis, Mo. |
| 29 | Patricia Ryan | 26 | Wife | — | Illinois |
| 30 | Patricia Ryan | 2 | Daughter | — | Illinois |
| 31 | Thomas Ryan | 1 | Son | — | Illinois |
| 32 | Marion Bulewicz | 18 | Servant | Maid | Illinois |
| 33 | — | None | — | — | — |
| 34 | Albert Olsen | 57 | Head | Clerk | Utah |
| 35 | Anna Olsen | 57 | Wife | — | Illinois |
| 36 | Albert Olsen | 24 | Son | Purchasing Agent | Illinois |
| 37 | Charles Victor Olsen | 22 | Son | Maid|Mail | Illinois |
| 38 | Ralph Harris | 46 | Head | Carpenter | Iowa |
| 39 | Ruth Harris THIS PERSON | 45 | Wife | — | Iowa |
| 40 | Ralph Harris | 17 | Son | — | 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)